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Neurotravel for Windows

1. electrodes 121 aj sa need el ed ae Che All electrodes All On ne Montage electrodes Figure 9 14 Acquired Electrodes pane The Acquired Electrodes pane offers three options e All On All electrode signals are recorded e As Montage Only signals from the electrodes in the chosen montage are recorded For this option first select a montage using the montage list button in the Acquisition control panel second click the As Montage button in the Acquired Montage list Electrodes pane the electrodes in that montage are then highlighted in red and atten close the dialog and third begin acquiring and recording signals e Individually selected Only data from chosen electrodes are recorded For this option just click on the desired electrodes in the Acquired Electrodes pane 192 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 9 Options Menu The three options provide tradeoffs between available data and available hard drive space Choosing All On allows all electrode data to be available during acquisition and review but requires more memory on the hard drive Choosing As Montage or individually selected electrodes records only specific electrode data which uses less memory on the hard drive but prohibits all channels from being displayed during acquisition and review Record Time The fifth command in the Options menu is Record
2. iL NND Nea EL DEC Ts STE eae E COND wR ws oh MR o9 qe URS od nt qd 9 Je CM gt wx ob OM C 4d L9 QU X d o9 ek uel 29 WB d 09 CO lok eh 49 Qi o4 XO sa lo Go 1 4 99 DS 98 9 WAS a s iw ot ME 4o QU wh 24 WA qi o4 We Qd Be C oho 4 De ju e aod 4 o oe 4 4E Tab Default EN el Timer mw We Ce K X3 9 q C4 Leo o9 4 Ve wb AO We d A EO 35 Ww cw we QAR 5 Ch 23 2 99 Wi Wu C 3 b 2 dh e of qd WO X JR 49 ww aX De MPO 0M d s jg c 224 1 Qe E i H H i H WC Sa Sh ae wo 59 Se Oe ie Se Se 0 Qo ut oy a e v sv wt ch 2A O 2 RO We w ge s C 25 a Hr Se vw ie we CE os st WE c om 25 ode qe cv i4 4o 97 do ie 1 COD d p Xe 1 o9 Ie e 3134 95 do 29 d 3 c6 4 xs o Protocol
3. Figure 9 39 Photostimulator program indicator Editing the Current Protocol Choose Options gt Photostimulator gt Protocols gt Edit Current to edit the current protocol The process of editing the current protocol is similar to that of creating a new protocol see Creating a New Protocol on page 209 The same fields must be defined Hot Keys Command The 10th command in the Options menu is Hot Keys which enables you to create keyboard shortcuts Choose Options gt Hot Keys to open the Hot Keys window Figure 9 40 Database management HotKeys Action New Patient Patient List Edit Patient Monitoring Save Exam Print Exam Exam List Exam Edit Record OHM Test Montage List Montage Edit Monitor amp Record Help Default Hot Key Eti F2 Cil F3 000 None Cil F5 EF 7 Cil F8 EdF 7 None E F6 5 Cil F9 Cil FIQ 7 12 7 Cil FD 7 Event 1 Event 2 Event 3 Event 4 Event 5 Event 5 Event 7 Event 8 Event 3 Event 10 Event 11 Event 12 Action Recording events Cancel Figure 9 40 Hot Keys window Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 9 Options Menu Use the Hot Keys window to create keyboard shortcuts to main Neurotravel functions The left side of the window lists operations for database management the right side lists operations for recording e
4. y gw MAY rdi I AN fuss et das MV Pon Wi Vy rr 1 V U AP vr A uv AM MN N Peu Sr Wa AA MAY Ae vua TAS wn ASI HIN ID oe AVA Ante AA n UN UL y Art Anaie tJ F Conert interval 358u 585255 EE F CR 20 Nielien Gates Susan Mortage GSN32AR GSN 32 Channel Average Pei EGI dense array EEG Electrical Geodesics Inc Riverfront Research Park 1600 Millrace Drive Suite 307 Eugene OR 97403 info egi com www egi com Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 Neurotravel is a trademark of ATES Medica Device srl Electrical Geodesics makes no warranty or representation either express or implied with respect to this manual its quality accuracy merchantability or fitness for a particular purpose In no event will Electrical Geodesics be liable for direct indirect special incidental or consequential damages resulting from any defect or inaccuracy in this manual even if advised of the possibility of such damage Copyright 2005 by Electrical Geodesics Inc All rights reserved CONTENTS List of Figures ix Preface Neurotravel Win Overview xx About This Manual xx Support Repair and Documentation xxii Opening and Closing Neurotravel Win xxii chapter 1 Installing Neurotravel Win Uninstalling the Hardware Key Dri
5. AN Channels with nat acquired electrodes will be switched off Figure 9 12 Not acquired message Neurotravel 0200 Smith Lincoln Devon N 6 3 22 2004 12 32 20 PM 00 00 59 e EEG Patient View Operations Options Windows Help 8 pes sea ae a a fee ss ane a j 215 TOREGGCLLGCILICLOGGLGOALRUGLLLGLAELG S D Wii haan AUREEIRERRTESRER i E poA M Bou LO bc LEUR NEW VUE OR Gi Ww 8 AN LP Hz 70 umm HP Hz 053 10 andpass E t 12 re J a a E Tab 4 __ _ Al ee 44 gt gt 17 I 18 _ Analyze Current Interval Length 0 0 sec Acquisition Mode 0200 Smith Lincoln Devon Montage GSN32AR GSN 32 Channel Average Ref Figure 9 13 Unrecorded channels are represented by flat lines and dimmed tiles If you want to record these signals click the As Montage button in the Acquired Electrodes pane this is discussed further in the following sections Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 191 9 Options Menu To choose which electrodes are recorded click the Acquired Electrodes tab to view the Acquired Electrodes pane Figure 9 14 Data acquisition configuration Parameters Acquired electrodes EE Individually selected A
6. Y Loc LP Hz z Loc Specific HP Hz Loc values Figure 9 23 Channels pane The Channels pane consists of three sections the channel table sensor layout and specific values Neurotravel Win Technical Manual S MAN 200 WINC 001 e March 31 2005 199 9 Options Menu e Channel table The table lists each channel s name sensitivity highpass filter value lowpass filter value and display hide status These are global values and cannot be changed in the table to change the values use the sensor layout and specific values sections which are described in the following paragraphs e Sensor layout When you select a channel in the channel table the sensor layout to the right of the table highlights the sensor s for that channel with a bright color You can click on different sensors s changing the sensors for a channel the channel name automatically changes in the channel table After choosing the sensor for recording then choose the reference channel Specific values Below the sensor layout are the specific values controls Figure 9 24 These controls enable you to set specific values for filtering and sensitivity color and display characteristics for individual channels selected in the channel table Specific values are unaffected by the global values which are defined in the Parameters pane Es VES Sens y mm Lac Yes LP Hz 70 Lac HP Hz 0 53 Lac Sens
7. Click Host continue we saimhed vath the settings click Mest In begin coping Hes Setup has Binished coping fles bo pour computa Balma you can use Ihe progam you mast Wines or comae Yes restart T Ha eal peabart my computer later Fresno bry hom the droves and than click Finish t Complete pehup C ree Window 7 Figure 1 21 Neurotravel installation steps with defaults circled Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 37 1 Installing Neurotravel Win 3 Window 7 in Figure 1 21 recommends a restart after the installation select this option and click Finish 4 After the restart open the program manager by opening the Start menu and choosing My Computer in the resulting My Computer window double click on the GES icon in Drive F Figure 1 22 to open the program manager manually The Release Notes PDF file also automatically opens close or minimize it If you do not have Adobe Acrobat installed click on Acrobat Reader in the program manager 7 My Administrator Fie View Faveker Help h Internet 4 My Documents B Internet Explorer e 2 My Recent Documents gt F Viles Stored on This Computer Eanan Express System Taska m My Pictures a Wee sine information Sharad Decomaris EJ Daian ay Neurotravel 27 My Music z gt Becuments y T BE My Computer Hard Disk Drives al
8. Complete 138 program Features will be installed Requires the most disk sppce O Custom Choose which program Features you want installed and where they will be installed Recommended for advanced users InstallShield lt Back Next gt Window 4 Sentinel System Driver 5 41 1 32 bit InstallShield Wizard Ready to Install the Program The wizard is ready to begin installation Click Install to begin the installation If you want to review or change any of your installation settings click Back exit the wizard IMPORTANT Please remove all USB SuperPro keys before continuing A reminder to remove all hardware keys InstallShield Window 5 Ce as Click Cancel to amp Sentinel System Driver 5 41 1 32 bit InstallShield Wizard InstallShield Wizard Completed The InstallShield Wizard has successfully installed Sentinel System Driver 5 41 1 32 bit Click Finish to exit the wizard Window 6 Figure 1 15 Hardware key installation windows with defaults circled Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 33 1 Installing Neurotravel Win 4 Ifthe Found New Hardware Wizard program does not appear go directly to otep 8 If it does appear then in the Found New Hardware Wizard window choose the automatic installation option Figure 1 16 If Windows is unable to locate the driver specify the location Neur
9. en are photostimulator controls 86 Print marked intervals checkbox 121 Neurotravel window main components 57 M notch checkbox 105 Acquisition control panel 76 notch filter 188 Print Parameters window 187 Print Preview window controls 122 Print Review button 119 Print Window command 122 printing patient information 175 Open in New Window checkbox 95 Q Operations menu 61 option buttons 68 Query pane 96 Options menu 61 Record Time dialog 193 Parameters of Channel dialog 78 Recor toggle 88 patient database 161 recording quality 221 160 recording stop and start 88 40 recording with no patient data 72 relative energy 133 repairing your database 234 Report pane 215 246 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 Neurotravel Win Technical Manual Review control panel 99 amplitude mapping button 109 108 automatic calculation buttons 100 analysis buttons 107 database buttons 104 106 Measurements button 103 100 filter controls filter values 109 montage buttons navigation controls picture of 99 trace display settings 103 VideoEEG button 109 review options 91 Review window 92 S sample rate 190 Save button 89 Save Intervals command 115 231 114 save your database saving intervals scrollbars 68 scrolling mode 181 Select Saved Intervals window selecting data 113 Sentinel SuperPr
10. A break in record mark that is an event marker in the trace indicates the removal of data Figure 5 40 This type of event marker is inserted into the trace whenever a section of data is removed Figure 5 40 Break mark If you are using the optional VideoEEG feature the video sequence related to the section is also removed Analyzing Selected Data You can also apply the automatic calculation tools to selected data or data intervals The analysis controls at the bottom of the Review control panel allow you to display brain maps channel spectrum or coherence spectra of the visible area onscreen the marked intervals or all the data in the exam Figure 5 41 The length button indicates the duration of the data being analyzed Visible Marked All area intervals Current Interval Duration of chosen analysis area Length AY sec Visible Marked or All Figure 5 41 Analysis controls 1 Highlight the data in the trace area using the Shift drag Alt click Control click or Select Saved Intervals methods just discussed on pages 113 116 e 2 Click the spectral brain map channel spectrum or coherence spectra button in 1 the Review control panel or choose View gt Analysis either makes the analysis i controls active in the control panel Automatic calculation buttons Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 117 5 Review an
11. Bandpass Notch Figure 5 19 Filter controls S MAN 200 WINC 001 March 31 2005 a LI 5 Review and Processing Notch Checkbox The notch checkbox Figure 5 20 enables you to insert and remove a filter that attenuates frequencies in a narrow band around the specified frequency while Figure 5 20 Notch filter passing frequencies outside the band The notch filter is used to filter out 50 or 60 Hz line noise Figure 5 21 In Europe 50 Hz is the main power supply frequency in North America and other countries the frequency is 60 Hz Japan is mixed some regions use 50 Hz others use 60 Hz Motch m u en saga 25 Tus VIDA edP menn et eene ife Tm m entem a Cee c ibl ai t E Vas AVIS mee A D An AAS TAA w x Se ARMAS wv Arf ri S Pm Aout Ve Pn ya Tt Pu E E RP an 1 Dna NW um Uv Men uy Wer Wee i s dn Minis ly WM nn u AU ea M i aah VV nny vw sc a n E p rt PAP to ie ARAM nn m Fs p IS ARSPANNSSIHIM ntt n I PM nnt FF j _ RE RAM 1 Pi Yemen re re rte P APP eR um fuv yl ns geri RT T sin Pire possi ite E tlt rua oe e ei a cach s nor me i iru fF 05S te hus ee ee km aaa A n e ments Le PAL en paca ms e FTT TIS emu ur
12. e Open New Window checkbox Opens the selected exam in a separate window so it does not replace the currently displayed exam First select this checkbox select the exam and then click the Open button Select multiple exams by Control clicking on the exams in the list e Close button Dismisses the window You can enter and edit exam information by right clicking on the exam name in the list to open a pop up menu that contains the New Exam Info and Edit Exam Info commands see Figure 5 4 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 95 5 Review and Processing Query Pane The Query pane allows you to perform a search by recording date of the exams recorded for the current patient In the Query pane type the dates in the Exams from and to text boxes and click the Search button Figure 5 6 Current Patient Exam List Exams List Query Enter information for query Click on the Search button when ready Exams from ERI to i Search Clear all Open in New Window Print Close Figure 5 6 Query pane The Exams Query pane then replaces the Exams List pane and displays the search results listing the exams by date and time Figure 5 7 Current Patient Exam List Exams Query Query 00 00 59 12 31 2004 8 25 00 AM 00 00 59 DEFAULT 13 31 2004 9 25 00 AM 00 00 59 DEFAULT 14 341142004 9 25 00 AM 00 00 59 DEFAULT Open
13. March 31 2005 4 Acquisition and Recording The Timer column displays three options for each event on off or none Ifan event has the timer on each time that event is inserted into the trace it resets the timer to 00 00 e If the timer is off it stops the timer e Ifthe timer is none it has no effect The event timer settings if properly configured can help you monitor the times between significant events For example if a critical event s timer is on and no off event occurs afterward then the event timer will display the time elapsed since the last clinically important event Furthermore if no none event occurs the software automatically inserts markers every minute into the trace and into the Event List to help you keep track of the time elapsed Choose View gt Event List to open this window You can double click on an event name in the list to navigate automatically to its event marker in the trace Once satisfied close the Event Table dialog Selecting an Event Table for Recording Before initiating an EEG exam 1 Choose Options gt Event gt Sets to open the Event Sets dialog select an event table from the displayed list and click the OK button in the dialog 2 Click the Acquisition toggle in the Acquisition control panel to begin acquiring EEG signals 3 Click the Record toggle in the Acquisition control panel to make the event buttons in the event table sectio
14. 2 To modify the coherence spectral calculation and display parameters right click in the spectrum and choose Settings from the resulting pop up menu this opens the Parameters dialog Figure 6 34 Parameters of spectrums graphs Scales Horizontal scale From uM a Hz Te p ELM 8 us Spectrum density estimator lI UM ene an tn cid wq Corr window Y 300 se Autoregression revision only AH order T 1 50 Sec Default Cancel Figure 6 34 Spectral analysis parameters dialog 3 the horizontal scale using the sliders 4 Choose a spectrum density estimator smoothed periodogram this nonparametric estimator which employs discrete Fourier transformation of the time series is the more common choice and is used mainly in spectral analysis systems autoregression this parametric estimator which uses a mathematical model that predicts the next variable based on the previous variable tends to be more precise because it focuses on a portion of the signal for example sharp peaks rather than the spectrum 5 Click OK when the parameter values are satisfactory or click the Default button for the standard setup 148 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 6 Automatic Calculations Analysis Information For a closer view of a specific coherence spectral analysis click in the spectrum next to the channel p
15. Color codes for EEG navigation map and spectrum features Display pixel height resolution Acquisition and review parameters including grid width whether the highpass filter is in Hertz or seconds and so forth Print parameters such as what kind of patient information to include in the printouts Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 55 2 Process Overview e Notch filter frequency for your country 50 Hz in Europe 60 Hz in North America and other countries 50 Hz in some regions in Japan and 60 Hz in other regions in Japan e Sampling rate e Calibration voltage e Electrodes from which to acquire signals e Recording time e Event tables e Montages e Automatic photostimulator programs e Frequency bands e Keyboard shortcuts e System user privileges e Paths for the data recording and archiving to the external editor and for exporting and importing e Display options of the status bar and the horizontal control panel Note The EP Schemes menu item shown in Figure 2 2 on page 55 is optional and not included with your System 56 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 chapter 3 NEUROTRAVEL WIN INTERFACE BASICS N eurotravel Win s graphical user interface consists of pop up menus windows panels buttons and status bars designed to make acquiring recording and archiving EEG data intuitive and easy The software is visually based allowing
16. Default Cancel Apply Figure 6 2 User selected colors for the amplitude timepoints To change the color scheme used for the maps click the Maps tab Figure 6 3 Display configuration Parameters EEG Markers Resolor Graphs Color Schemes DTE Elements Map Scale o Default OK Cancel Apply Figure 6 3 Map colors Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 6 Automatic Calculations Measuring Amplitudes To measure amplitude timepoints in an exam click the amplitude mapping button to jln display maps and a table of the amplitudes in microvolts of each channel Amplitude represented Figure 6 4 You can drag the timepoints to measure other sections the mapping button information in the maps and table updates automatically Amplitudes for first timepoint mplitudes for second timepoint WEN dede A Nene fe 1 I i AAVA A UA A n s fee ANI NA an First timepoint H ied s b Nea 5 draggable MAPA 16 90 pA AM AMA 23 Second timepoint 1 gt T a i 5 J aes d 21 2 m AAA di Lr j 479 draggable s a jip AW m 2r n ih L D an 3n 1458 pw T n E gus A WV Ls
17. If your hardware came with an installation CD lt 6 or floppy disk insert it now What do you want the wizard to do Install the software automatically Recommended Install from a list or specific location Advanced Automatic installation Click Next to continue Figure 1 37 Found New Hardware Wizard Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 47 1 Installing Neurotravel Win 8 Ifa Hardware Installation warning appears click the Continue Anyway button Figure 1 38 Hardware Installation The software you are installing for this hardware NEUROTRAVEL After ReNumeration ezusb sys ADOT has nat passed Windows Logo testing to verify its compatibility with Windows xP Tell me why this testing is important Continuing your installation of this software may impair or destabilize the correct operation of your system either immediately or in the future Microsoft strongly recommends that you stop this installation now and contact the hardware vendor for software that has passed Windows Logo testing Click this m STOP Installation butto n Figure 1 38 Hardware Warning 9 After a confirmation message appears restart the computer 10 Connect the coaxial cable from the video camera output to the number 1 input port on the back of the XPress video card Figure 1 39 shows this and other system cabling Local power supply Cable from local power supply for photos
18. March 31 2005 1 Installing Neurotravel Win 3 Inthe remove dialog that appears click Yes Figure 1 6 Confirm File Deletion you sure you want to completely remove the selected application and all of its components Yes Mo Figure 1 6 Confirm the removal Note A Remove Shared Files window may appear if so click Yes if it is OK to delete the shared files 4 A progress window appears indicating the status of the program removal click OK when the uninstallation is complete Figure 1 7 Remove Programs From Your Computer unlnstallShield will remove the software Neurotravel from your computer Please wait while each of the following components is removed Shared program files Standard program files Folder items v v v V Program folders v Program directories v Program registry entries e Message that Uninstall completed Some elements could not be removed You should manually remove items related to th euninsta ation the application is complete Figure 1 7 Close the uninstallation window Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 27 1 Installing Neurotravel Win Configuring Your Computer Before installing Neurotravel Win configure your computer to accept the amplifier and hardware key drivers You must have Administrator privil
19. The Timer column displays three options for each event on off or none e Ifan event has the timer on each time that event is inserted into the trace it resets the timer to 00 00 e If the timer is off it stops the timer e Ifthe timer is none it has no effect The event timer settings if properly configured can help you monitor the times between significant events For example if a critical event s timer is on and no off event occurs afterward then the event timer will display the time elapsed since the last clinically important event Furthermore if no none event occurs the software automatically inserts markers every minute into the trace and into the Event List to help you keep track of the time elapsed You do not need to fill in the table completely Once satisfied close the Event Table dialog Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 195 9 Options Menu Selecting an Event Table Choose Option gt Event gt Sets to open the Event Sets window for selecting an existing event table using the mouse or keyboard e Using the mouse click to select an event table from the Event Sets window and click OK to choose the table e Using the keyboard press the arrow keys to scroll through the Event Sets window and select an event table press the Enter key to choose it Right clicking anywhere in the Event Sets window opens a pop up menu where you can create
20. relative locations in the frequency interval Creating a Frequency Band Interval Choose Options gt Frequency Bands gt New to open a window that enables you to define a new frequency interval for the display of your spectral maps The new frequency bands window contains five fields Figure 9 31 Frequency Bands New Comment 4 standard bands e omment gt Frequency range Number of bands p Restrictions for the frequency bands Restrictions a E 5 reate From 0 00 Hz 4 r Only neighbor bands inside the freq range To 25 00 jus Max 32 C Any bands inside the frequency range Bestori _ Delta nnn ERST Theta Alpha 3 00 EE ODE 900 Beta Default OK Cancel owe ok cms Figure 9 31 Frequency Bands dialog e Name name of the interval e Comment short description of the interval e Frequency range continuous intervals of the different bands e Number of bands number of bands inside the frequency interval e Restrictions for the frequency bands relationship between the different bands The default for the new frequency bands window is the standard four band sequence delta theta alpha and beta for classic analysis The bottom of the window contains bars indicating the bands relative locations in the frequency interval In general to create a new interval you specify the number of bands define their relative locations by dragging the bars
21. 50 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 1 Installing Neurotravel Win License Loading Error Loading Program This message appears before the Login dialog if there is a problem loading the Neurotravel protected program license Solution Follow these instructions checking after each step to see if the problem has been fixed e Use the Sentinel SuperPro Medic program to find and test the hardware key see Running Sentinel SuperPro Medic on page 43 e Contact EGI Support Appendix A if the hardware key is damaged Neurotravel Amplifier Warning Message Device Not Ready This message appears before the Login dialog if there is a problem accessing the Neurotravel amplifier Solution Follow these instructions checking after each step to see if the problem has been fixed e Make sure that the USB cable is properly connected between the USB output port on the bottom of the amplifier type B and the USB port on the computer type A Disconnect and reconnect the cable see Figure 1 23 on page 38 e Contact EGI Support Appendix A if the USB cable is connected properly but the warning message is still displayed Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 5 1 Installing Neurotravel Win VideoEEG Kit Warning Message Unable to Locate Component This message appears before the Login dialog if there is a problem accessing the XPRESS DLL file when
22. Default 100 s 5 H2 Wes d Y MES 44 4 Ta C amp JE f C 45 WW o XV w UP ow BX Qv 4o RO 4 vo MO Jon Xw 4 us RU TR ud DE T 5 s DDR a EEE E lke Saal Record ee JW UR Ca uw 5 Ww 92 QU oC uo 4 n OX ww 35 BAG 5 Ow we s C4 n3 D oC Ww o CES d 9 4 mB 4 toggle sr C oJ 4E 49 Ja c EM GL Xe Cr RE e A a Ce vA UB La AC e E d v MU Cr Ta 4 WM Ya e Wu c mE S s 7 CAR dM Mere SE aC CN CORR SO SO Acquisition E A toggle 13 Lee Leila Wong Patient status bar Montage status bar Control panel Figure 4 1 Control panel in acquisition mode Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 71 4 Acquisition and Recording Record toggle 72 The acquisition mode does not record data to disk it only obtains signals from the electrodes and displays them onscreen Once you are satisfied with the acquisition settings click the Record toggle the disk button above the Acquisition toggle to start recording You can initiate the acquisition and recording modes even without patient data that is if the patient status bar reads No Patient This is useful if a trauma patient is rushe
23. M WR T Current Interval 25 LR C Autoregression AR Order Length 8 7 sec Acquisition Mode il LM n Interpolator setup Smoothing coefficient kernel estimator 2 nearest neighbors s nearest neighbors AT qu WA N 50 Mug TN diee once Deiat cca Montage GSN32 GSN32 average ref L Sapere perro 32 Figure 6 15 Parameters dialog 132 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 6 Automatic Calculations 5 Inthe Parameters dialog click the Reference Electrode tab to choose the electrode references for the spectral map configurations Figure 6 16 You choose the electrodes by clicking on the buttons in the pane Parameters for the group of maps Default Cancel Figure 6 16 Electrodes for the spectral brain mapping function 6 Click the Parameters tab Figure 6 17 to enter values for the calculation and display parameters Open the What to map pop up menu and select from the following amplitude uV absolute value on an equivalent sine wave for every band interpolated on the maps energy u V7 absolute amplitude for every band interpolated on the maps relative energy 70 median amplitude for every band interpolated on the maps maximu
24. March 31 2005 3 Neurotravel Win Interface Basics e Keyboard Press the Esc key to close the window and cancel the performed modifications Command Buttons Use the command buttons to execute immediate commands for example OK Cancel answer program questions Yes No or open other windows Each dialog usually contains an OK button and a Cancel button The Esc key on the keyboard is similar to the Cancel button To execute a command e Mouse Move the cursor over the desired button and click e Keyboard Press the Tab key until the desired button is selected onscreen and press the Enter key Task Windows Task windows contain lists of selectable items for example patients in the database recorded or archived exams available montages To select an item e Mouse Double click on the item in the list Or click to select an item and click the Open button If the list is too long to display all its items drag the scroll bar on the right side of the window to reveal the hidden items e Keyboard Press the arrow keys to move to the desired item and press the Enter key to select it here the Enter key is similar to the Open button Text Boxes Text boxes are editable boxes designed to hold information typed by the user for example the text boxes in a new patient record e activate a text box click in it A flashing line will appear indicating that typing may begin To replace old text select the t
25. March 31 2005 8 Patient Menu Misc Data supplemental patient information for more information see Misc Data on page 166 with columns for name value units and type Current Patient Exam List Examine View Exams List Query Info Personnel History Annotation Interpretation Misc data No Date Time Durat 14 3 11 2004 9 25 0 Refresh dis Patient and examine parameters 3 11 2004 9 25 01 3 11 2004 3 25 01 3 3 2004 Sj view Exam Info Weight 245 llb 3 3 2004 11 52 a dit Exam INFO 3 9 2004 9 38 11 View Patient Info Ctrl I Height 7 lin Delete Ctrl Del 1 22 200 92115 Blood Pressure Min 110 1 23 2004 8 28 01 Exam Path EM Medications 1 23 2004 8 25 51 00 01 00 DEFAU 1 23 2004 8 24 04 4M 00 01 00 DEFAULT Summary 1 23 2004 8 05 28 4M 00 00 59 1 v B fil H 8 XD TS pail aie Blood Pressure 145 p i E Open in New Window Print Close Figure 8 14 Viewing the current patient s exam 3 Click the Print button to produce a printout of the patient s private data with history and report Creating Exam Reports From the Current Patient Exam List window you can also export the patient and exam data directly from the Neurotravel databases and into a word processing program such as Microsoft Word 2003 Note Neurotravel Win contains report template in D Neuroravel Eeg for Wind
26. b os M Re ee GE Qm o6 X 0G 2 4 3 Ee eee o Bandpass PEPE ERG aE PEPE REPEAT REE PEE PEE PERSE PEGS BEES bE EH Se N wee Mee EET EEET PEG EEL GL EEL EEL Ei Ei EEL Ea Ei 2 9 01221001 EEE PE EE ED GE i SG EP iS EE EE PE EEE EGE ELGG Upee TE EEE EEG LE PEELE EGE dp m e r2 o Em Ww ox S aw gt Fk amp we gt e XA XA 14 qY E x CO 6 800 p ogxE 0 X OM Rx GUA Montage GSN324R GSN 32 Channel Averagd Ref Acquisition toggle Figure 1 29 Acquisition window 4 If you wish to begin acquiring signals click the Acquisition toggle at the bottom of the Acquisition ar control panel 42 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 1 Installing Neurotravel Win Running Sentinel SuperPro Medic The Neurotravel installation CD contains the Sentinel SuperPro Medic program for diagnosing problems with the hardware key or the computer setup It is a simple graphical user interface that finds any SuperPro hardware keys plugged into a system or a network This tool is necessary only if you are troubleshooting hardware key problems To run Sentinel SuperPro Medic 1 Manually open the program manager by
27. 12 5 _POL 01 n o Cb1 Montage electrodes All electrodes Figure 4 7 Acquisition montage settings Filter Controls In the upper half of the Acquisition control panel is a group of controls for applying the notch filter specifying lowpass and highpass filter values and defining filter sensitivity These controls affect the appearance of the data onscreen and in the printouts they do not affect the actual recorded data Notch Checkbox The notch checkbox Figure 4 8 enables you to insert and remove a filter that attenuates frequencies in a narrow band around the specified frequency while passing frequencies outside the band The notch filter is used to filter out 50 or 60 Hz power line noise Figure 4 9 In Europe 50 Hz is the main power supply frequency in North America and other countries the frequency is 60 Hz Japan is mixed some regions use 50 Hz others use 60 Hz Notch Figure 4 8 Notch filter 76 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 4 Acquisition and Recording a oi h x x Lll i i i Lb E gt Wire Cs Lir UHRITITIHITITTTTICTTITHITTTTEITERBBEN b Re Vs urere gens H wu Ti n aij EE un T nu mune per e uw E a n d ji ae eterne enin ta a Fre e a oS qune s pA amp jw u L Viana A Justus fre ATI A Pene nay fer x
28. Aly s Arm neu M ae Vis cam a x s IM U AN iin vet AA reae Ves ruv A TU a ee P Patient list NN i Mira neuron LA IA oA eu nM WV y rpg Mens b jii ate per dts Jia d AN m Au fes h rA T e s gt utton a ji RATS VAT A Pf AUN one fot Fu a fnm non Pu fos VS ME 1 Nee FM AAR add pod Pijem E e Patient list Mia EC r W eje Ale H 2 1 fl vi p gi i npr Tl Cel i T E id M M IELU p 0200 Smith Lincoln Devon sig SS ra i Patient status bar Figure 4 34 The patient name in the patient status bar If the patient name is not in the Patient List create a new record by right clicking in the Patient List and choosing New Patient in the resulting pop up menu once finished creating a new patient record double click on the new patient in the Patient List and click the Save button If you do not save the exam before initiating another acquisition session a reminder message appears Figure 4 35 EEG data was not saved Save it now Neurotravel wo cea Figure 4 35 Save prompt 90 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 chapter 5 REVIEW AND PROCESSING T he review mode enabl
29. Delete Exam e Figure 7 11 Confirmation dialog 3 A dialog appears requesting confirmation of the exam deletion click Yes Figure 7 11 To delete an exam using the Exams List 1 Choose EEG gt List to open the Exams List 2 Click on an exam to select it from the list To select multiple items Control click on the exams 3 Right click on the selection and choose Delete from the resulting pop up menu Figure 7 12 Exams List Exams List Query 2001 2001 2001 View Exam Info cCkrl v 2001 Edit Exam Info 2001 View Patient Info Ctrl I 27 Edit Patient Info 27 Yasha Inu Ctrl Del Yasha Inu 27 Yasha Inu 27 Yasha Inu 27 Open in Mew Window Figure 7 12 Deleting multiple exams To delete the selection using the keyboard press Control Delete 4 Inthe confirmation dialog that appears see Figure 7 11 click Yes to confirm the deletion and close the window Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 159 7 Function Tools Search and Delete If you have exams from a specific period to delete but are unsure of their location you can perform a search by date and time 1 Choose EEG gt List to open the Exams List 2 Click the Query tab 3 Inthe Query pane Figure 7 13 fill in the text boxes labeled Exams from and to and click the Search button Exams List Exams List Query A Click the Quer
30. Record Time 193 vi Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 Contents Event Command 194 Montage Command 197 Frequency Bands Command 204 Photostimulator Command 208 Hot Keys Command 212 System Users Window 213 System Configuration Window 215 System Info Window 217 chapter 10 VideoEEG Kit Option Kit Components 219 VideoEEG Settings 220 Acquiring Patient Images 223 Navigating through the Data 225 Working with the Data 225 chapter 11 Data and Disk Management Acquisition Disk 227 Archive Disk 228 Disk Space Management 228 Database Organization 229 Database Management Tools 230 Appendix A Software Technical Support 237 Appendix B Application Examples 239 Neurotravel Win Recording 239 Example EEG Acquisition Recording 239 Example EEG Viewing Archiving 240 Index 243 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 VII Contents Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 LIST OF FIGURES chapter 1 Installing Neurotravel Win 1 1 Windows control panel 24 1 2 Opening the Windows control panel 24 1 3 Remove the Sentinel System Driver 25 1 4 Confirm the removal 25 1 5 Remove Neurotravel 26 1 6 Confirm the removal 27 1 7 Close the uninstallation window 27 1 8 Opening the Windows control panel 28 1 9 Windows control panel 29 1 10 Hardware pane of the System Properties dialog 29 1 11 Driver Signing Options dialo
31. The third column displays the coordinates under the cursor as you move it over the spectrum graph Figure 6 26 Figure 6 26 Frequency values Amplitude and Energy Values Below the frequency values are the amplitude and energy values of the delta theta alpha and beta bands for the analysis interval Figure 6 27 Select the Amplitude checkbox to measure the amplitude from peak to peak Delta Theta Alpha Beta otis co MN Ampl from 00 25 0 Hz 45 5 T Iw Amplitude peak peak 22 Figure 6 27 Amplitude and energy values Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 143 6 Automatic Calculations Displayed Graph Below the amplitude and energy values is a current graph pop up menu Figure 6 28 that allows you to choose a different channel to view its channel spectrum graph and information Current graph 6 18 Channel 7 2 1 Channel 1 12 4 Channel 2 4 17 Channel 3 17 3 Channel 4 3 H Channel 5 TTEPETTETTETTETETM PPPPPRERPEPREEPERPRITEPES PETTTTTTTTTTTTTTTTTTTTETTTTTTTTTTITTTTTTTTTTTTTTTTTTTETTTTETTTTTTTTTTTTTI T F TERTE 5 13 Channel 3 15 8 Channel 10 8 13 Channel 11 19 7 Channel 12 7 15 Channel 13 Figure 6 28 Current graph pop up menu Export Options Below the current graph menu are the export option buttons Figure 6 29 These buttons
32. ea ww 7 i Gos Mi aie E TETEE LP ys EE i i HP 0 zw Maca E SS _ EN Bh Area CENA sag rine Ab c a t ducem lm C A MM ee M MN Aun Ped ui E ar or Eu Ere BI e ej IAM se e PUPPI PVT Reve i mam i vecta ott a x Waning gr im 088 7 ma i e AM Li A Poo iji ELEC EXAM EEEE ie 1 I 331 WE Hm Soe 1 t CLE e S PETUNT Eea a ES ELL AM FH Haan ta Sa Morie 32 Channel Average The calibration signal is to the right of the arrow Figure 4 15 The calibration signal To view or change the amplitude of the calibration signal choose Options gt Acquisition gt Parameters Figure 4 16 For more information see Data Acquisition Configuration on page 189 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 79 4 Acquisition and Recording Data acquisition configuration Parameters Acquired electrodes Sample rate points per second 256 Choices for Calibration voltage pv calibration signal C 40 amp 50 amplitude E Cancel Figure 4 16 Setting the calibration signal e EEG signal This button displays the acquisition waveform for each channel I
33. gt 0 o up cee at LE 0 0 d i s b QW X W 2 OU L2 ae om te cx C Beet mp me ee ee a ERE a ee ETE A _ 5 55 Le OE Poe 4 ow we mm ae L o qp o9 0 0 289 A o qe Eo 9 gt dE abo o4 39 o qo ae o c owe cR Gat ae 1 eee 2 de 0 xo ue so po le do 20 f Bandpass T MEME tintin re ENS RSME od ccc o E 1 7 1 c od o4 gt qd o 2 2 7 0 o E Current Interval 015115 rli a ee Length 0 0 sec control D 7 0 41113 E E a a E Acquisition ANN EGER E RENE EN Noth 7 Review panel 13 Lee E Wong Montage 3285Nar 32 GSN ave Patient status bar Montage status bar Figure 5 2 Control panel in re
34. recording archiving and management of EEG data The Neurotravel Win Technical Manual assumes you are familiar with the PC the platform on which Neurotravel Win is based Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 XiX Preface Neurotravel Win Overview Neurotravel Win is a complete PC based EEG acquisition review archiving and database management program designed for clinical environments such as hospitals and physician s offices During data acquisition Neurotravel Win enables you to monitor signal quality by checking sensitivity filtering and acquisition speed in real time You can visualize as many as 32 EEG signals and populate them with time markers stimulus markers and event markers Video scrolling speeds are 7 5 15 30 and 60 millimeters per second During data review you can remontage and refilter signals search by events and zoom in on details of interest Neurotravel Win also enables you to define montages frequency bands photostimulation procedures and event tables to use online Its integrated database allows you to generate reports of patients or exams efficiently and to archive such data with quick catalog and search functions See Figure 2 1 on page 53 for an illustration of the entire Neurotravel process About This Manual This manual is supplied as a PDF file and in printed form The hard copy version has been printed from the PDF so the content of both will
35. standard Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 151 7 Function Tools Figure 7 1 shows the file selection boxes that appear when you select Neurotravel or EDE respectively Confirm Look in 3 GES D ex Ea pata Directory r File name Files of type JEDF UDF File s edf udf Cancel Neurotravel import dialog EDF import dialog Figure 7 1 Importing data in the Neurotravel left and EDF right standards Data Export To export data choose Operations Data Export to open a pop up menu of file formats e Neurotravel Manages the export of files in the Neurotravel format to disk or to an external system e Stellate Manages the export of files in the Stellate format for Eclipse software used for sleep analysis This function is available only for bipolar traces and the applied montage must be the same as the montage defined in the Eclipse software For the use and configuration of Eclipse software please refer to that manufacturer s user s manual e European Data Format EDF Manages the exchange of data between systems according to the EDF or EDF standard 152 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 7 Function Tools When you choose any of the export formats the Exams List appears Figure 7 2 You can choose one exam or more by Control clicking to export in the selected forma
36. to values change to represent only that enlarged portion of the graph 3 To revert to the original size right click in the channel spectrum graph and choose Unzoom from the resulting pop up menu Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 145 6 Automatic Calculations Coherence Spectra The coherence spectra highlighted scalp Figure 6 31 button in the control panel erm o provides access to the spectral analysis function for each channel pair based on the current montage in either acquisition or review mode Figure 6 31 Coherence spectra button Color Schemes The software assigns default colors to the graphs To change the color schemes used for the graphs choose Options gt Display and click the Graphs tab Figure 6 32 Display configuration Parameters EEG Markers Resolution Maps Color Schemes E Graphs Background Grid Main graph e Axis Sec graph a Marker Label Frequency bands o Default OK Cancel Apply Figure 6 32 Graph colors 146 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 6 Automatic Calculations Graph Settings To activate the coherence spectra function 1 Click the coherence spectra button to open a window displaying the coherence spectra graph for each adjacent channel pair in the trace area for example the first coherence spectra in Figure 6 3
37. top and review bottom 217 9 47 System Info window 218 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 XVII List of Figures chapter 10 VideoEEG Kit Option 10 1 Cabling for a VideoEEG system 220 10 2 VideoEEG button 221 10 3 Video screen control window 222 10 4 Recording quality parameters 223 10 5 The video screen window overlaying the EEG trace 223 chapter 11 Data and Disk Management 11 1 Utility folder 230 11 2 Installing WRAR203 default settings circled 231 11 3 DBSave window 232 11 4 DBSave saving files 232 11 5 Editing the DBSave destination path 233 11 6 Utility folder 234 11 7 DB Util window 234 11 8 DB Util Database menu 235 XVIII Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 PREFACE N eurotravel Win from Electrical Geodesics Inc EGI is a complete software package for working with electroencephalography EEG data in clinical applications With Neurotravel Win you can e acquire EEG data in conjunction with EGI s Geodesic Sensor Net and a Neurotravel amplifier e view and navigate EEG data in multiple windows simultaneously in real time or during review e record monopolar EEG signals while performing trace remontage and refiltering in real time or during review e manage catalog and research patient data and exams This manual the Neurotravel Win Technical Manual is intended primarily for clinicians who are involved in the acquisition
38. 5 6 2004 8 50 13 AM 3 9 2004 11 23 26 AM 3 9 2004 11 06 24 AM 3 9 2004 11 03 27 AM 3 8 2004 10 00 39 AM 00 01 01 00 01 25 00 01 00 00 00 59 00 01 06 00 00 56 00 01 02 00 00 58 00 22 22 00 01 00 00 01 00 00 00 59 00 01 00 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 Volume DEFAULT DEFAULT DEFAULT DEFAULT DEFAULT DEFAULT DEFAULT DEFAULT DEFAULT DEFAULT DEFAULT DEFAULT DEFAULT 177 8 Patient Menu 4 Select an exam in the Exams pane by clicking on it To select more than one exam Control click on the exams 5 Right click in the selection and choose Delete from the resulting pop up menu Figure 8 19 Patient List Patients List Query Exams Chiang Timothy Scott No Dae Time SEC Volume 12 16 2004 1 34 09 PM 12 16 2004 1 29 55 PM 12 16 2004 1 27 24 PM View Exam Info Ctrl V 12 15 2004 1 25 33 PM Edit Exam Info 12 16 2004 1 21 07 PM Open E 8 12 15 2004 1 17 42 PM 5 11 2004 amp 51 26 AM 5 6 2004 11 26 09 AM Exam Path 5 6 2004 amp 5013AM 00 22 22 DEFAULT 3 8 2004 11 25 26 AM 00 01 00 DEFAULT 3 8 2004 11 06 24 00 01 00 DEFAULT 3 8 2004 11 03 27 00 00 59 DEFAULT 3 9 2004 10 00 33AM 00 01 00 DEFAULT Refresh Figure 8 19 Choosing Delete To perform the same action using the keyboard press Control Delete 6 Inthe confirmation window that appears click Yes to accept the deletion Figure
39. 8 1 Patient status bar Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 161 8 Patient Menu 162 If a patient record is designated inactive and has no archived exams you can choose to delete this patient record discussed on page 176 to conserve database space Deleting a patient from the database will automatically delete all the patient s exams from the acquisition disk Note Contact EGI Support Appendix A about deleting the patient record of someone who has archived exams The Patient Record The patient record contains all the information needed to identify a patient The record consists of six panes Info State Additional Info Notes Exams and Misc Data Figure 8 2 Each pane is described in this section Patient Edit Info State Additional Info Notes Exams Misc data e Patient information Code Last Name Crenshaw First Name Bison 7 Mid Name Frances Birth Date 8 224970 Age 4 year s month s Sex Fo Figure 8 2 Patient record with six tabs Info Pane Figure 8 2 shows the Info pane which provides general information identifying the patient Following are brief descriptions of each of the pane s data fields Code an automatically assigned alphanumeric code identifying the patient note that this field is editable and case sensitive and that duplicate codes are rejected if you type in a new code e Last Name patient s last
40. 9 My Computer amp My Network Places El Figure 11 1 Utility folder Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 11 Data and Disk Management Using DBSave Following are steps to using DBSave to save your database 1 Double click on the WRAR203 icon in the Utility folder see Figure 11 1 Gy WRARZOS 2 Accept the default installation settings Figure 11 2 Destination directory Directory to install WinRAR D WinRAR WinRAR SETUP xj Installation status Ready to install a Welcome to WinRAR WinRAR is a 32 bit Windows version of RAR the powerful archiver and archive manager WinRAR main features strong general and multimedia compression console and interactive GUI versions processing non RAR archives long file names support programmable self extracting archives volumes data recovery encryption Many other useful facilities A ATE lil Window 1 Cancel f WinRAR File Address Edit View Favorites Or OD Deve e D Documents and Settings All Users WINDOWS Start MenulProgramsYWinRAR Browse Setup mode Window 3 Select Quick setup to skip additional questions Select Custom setup to define more options E Quick setup Custom setup Installation completed SS Window 2 Click Close X button when installation is complete Tools Help m co
41. D D D D D D D D D D D D D D D D D D D D D D D D D Figure 11 4 DBSave saving files 232 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 11 Data and Disk Management 5 If you wish to change the data path of the saved files right click on the DBSave icon in the Utility folder choose Edit from the resulting pop up menu Figure 11 5 left to open the DBSave Notepad file edit the file path for the winrar rar line Figure 11 5 right and run the DBSave utility again repeat Steps 3 4 Open Edit Print Scan with Av Send To Ld Cut Copy Create Shortcut Delete Rename Properties These paths should be the same as the Data Files Path specified in the System Configuration window DBSave Notepad 101 File Edit Format View Help kd X Jecho Jecho echo pause 2 Palla aba n a 5 m5 xia d reno Database rat 5 TOY 4 1 for Ae mb D Neurotravel Eeq_for_windows data px D Neurotravel ceg_for_windows data xg N A oneurotrave reeg Tor WindowsNdataN o NNeurotravelNEeg For windows Bin or_ eeg ini rem Cd rom copy rem copy d temp pDatabase f Els echo off Mecho echo echo ELECTRICAL GEODESICS INC ATES MEDICA Device sr echo 1600 wmillrace Drive suite 307 Viale del Lavoro 20 echo Eugene Oregon 97403 33102 colognola ai colli USA vero
42. Figure 9 41 System Users Full Name Status Comment Doctor Administrator Technic Figure 9 41 System Users window To create edit or delete a user profile 1 Right click on the selected user profile and choose New Edit or Delete from the resulting pop up menu 2 Depending on what you choose If you select New fill in the new user account parameters including name and protection standards If you select Edit edit the user parameters as desired f you select Delete click Yes or No in the confirmation dialog that appears 3 Click the Close button in the System Users window to accept the changes 214 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 9 Options Menu System Configuration Window The 12th command in the Options menu is System which enables you to specify the system configuration Choose Options gt System to open the System Configuration window for specifying data file paths automatic dialogs to precede printing import and export formats and indicator view settings The window consists of four tabbed panes Common Report Export Import and View e Common Allows you to determine the data file path archive disk name of clinic and printing options such as print preview Figure 9 42 x Common Report Export Import View Data Files Path D Neurotravel E eq for windows Data Archive disk Name of the Clinic El
43. Icon g Make a new folder e Publish this Folder to the Web a WRAR203 POF Manual Adobe Acrobat Document Aol 106 KB kJ Share this Folder Other Places A Eeg for Windows E My Documents Shared Documents My Computer amp My Network Places zl Figure 11 6 Utility folder DB Util is designed to check and eventually repair whenever possible Neurotravel database values Using DB Util Following are steps to using DB Util to repair your database open the DB Util window DB EEG is the default Target BDE alias ES 1 Double click on the DB Util icon in the Utility folder see Figure 11 6 to DB Lil Figure 11 7 Base Utility iol Data Base Help Target BDE alias eee Figure 11 7 DB Util window 234 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 11 Data and Disk Management 2 Inthe DB_Util window use the Database menu to check or repair values Figure 11 8 Check Consistency checks the values Rebuild Indices repairs the values E Base Utility 5 x ieee Check Consistency Rebuild Indices Exil Figure 11 8 DB Util Database menu Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 235 11 Data and Disk Management 236 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 appendix A SOFTWARE TECHNICAL SUPPORT Before Contacting EGI Plea
44. Length 6 9 sec Acquisition Mode 0200 Smith Lincoln Devon M ontage GSN324R GSN 32 Channel Average Ref Figure 6 22 Spectrum graphs for each channel Channel spectrum button The default time window is the visible area the duration is indicated too Click the All button to obtain channel spectrum graphs for the entire exam The spectral representation refers to different frequency bands with a 40 Hz interval By default the channel spectrum graphs represent the visible area onscreen to change the graphs to represent the entire exam click the All button in the analysis controls section of the control panel S MAN 200 WINC 001 March 31 2005 139 6 Automatic Calculations 2 To modify the spectral calculation and display parameters right click anywhere in the spectrum window and choose Settings from the resulting pop up menu this opens the Parameters of Spectrum Graphs dialog Figure 6 23 Parameters of spectrum graphs Settings cales Horizontal scale From VM Mt 0 Hz for Vertical scale Fixed T 80 of all spectrums Spectrum density estimator a a a oa Ear window 3 00 Autoregression revision only AR order 150 Sec Default Cancel Figure 6 23 Parameters of Spectrum Graph dialog 3 Set the horizontal and vertical scales Th
45. N 35 84 35 He Frequency 68 68 22 28 68 62 p 2 Hz values Delta Theta Alpha Beta oie Energy 2 Wax 3899 1 Amplitude Spectrum and energy graph Ampl from 00 to 260 Hz 456 py values Amplitude peak peak 2 Displayed graph Export of tables with values E Curent graph All graphs OK apon options Parameters Smoothed Periodogram C Autoregression 3 window order Graph 9 200 en 1 5 Inus parameters Print button Figure 6 24 Individual channel spectrum window Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 141 6 Automatic Calculations The main components of the individual channel spectrum window are the spectrum graph frequency values amplitude and energy values displayed graph window export options and graph parameters sections Each is briefly described in the following sections Spectrum Graph A large part of the spectrum window is devoted to the spectrum graph which charts the delta theta alpha and beta values in different colors Figure 6 25 SL Figure 6 25 Channel spectrum graph 142 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 6 Automatic Calculations Frequency Values To the right of the spectrum graph at the top are frequency values for the highest peak and the second highest peak
46. Parameters pane The Parameters pane includes general information such as 198 e Name The montage name that appears in the database Type the montage name and description in the Name text box e Comment A brief descriptor of the montage Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 9 Options Menu Channels The number of channels set for the montage Click the arrow buttons until you reach to the desired number from 1 to 32 you cannot type the number into the text box Sensitivity The microvolts per millimeter value You can select the sensitivity value from a pop up menu or type in your own value Filter values The filter values for lowpass highpass and notch You can select the lowpass or highpass filter values from a pop up menu or type in your own value Notch Indicates whether a notch filter is or is not applied Bandpass filter in revision Applies a bandpass filter which attenuates frequencies on either side of a band allowing the band to pass unattenuated Channels Pane Figure 9 23 shows the Channels pane Channel table Montage GSN 32 Channel Average Ref Parameters Channels avi AV2 I SER ETE ses HP LP benN Charne NEN 0 53 70 Yes 1 2 Fpi Fp2 T2 7 rj rl rl rl re 7 7 meo ej e n _ ff Sensor layout bebes qus puc 7 2 na a 7 Cb2 7 7 7 z ens
47. Print All maps Settings igal Printer PRODUCTIONS avin S250 E 203980PE PEL x v wemDuchomssmssEoeEZGEDRE 2 Figure 6 7 settings and printing parameters Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 127 6 Automatic Calculations Figure 6 8 shows a larger view of the Parameters pane for the amplitude mapping function Parameters for the group of maps Parameters Reference Electrode What to map Amplitude Coeff of asymmetry Min size of a map eee Show electrodes Jw Points Map scales Range Sensitivity Grades 100 mkv rik al 3l v Unsigned v LevelLines 10 H Lines Labels interpolator setup Smoothing coefficient I C kemel estimator mp 22 eee nearest neighbors Default o Cancel Figure 6 8 Amplitude map parameters 1 Inthe Parameters pane select the minimum map size and map scale features the Level Lines are isopleths lines drawn on a map through all points of equal value of some measurable quantity Figure 6 9 100 Delta m Delta 6 it 0 05 425 25 05 425 25 no Level Lines Level Lines Figure 6 9 Level Lines function 128 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 w 6 Automatic Calculations 2 Choose whether to display the points and lab
48. Time which enables you to specify the maximum duration of a recording Choose Options gt Record Time to open the Record Time dialog Figure 9 15 Record time time for recorded EEG B Hours jo Minutes Seconds Cancel Figure 9 15 Record Time dialog In the Record Time dialog you set the maximum time value for a patient s recording session After the recording time is set the software checks the sampling rate specified in the Data Acquisition Configuration window see page 189 to determine whether there is enough room on the acquisition disk When time elapses recording automatically stops Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 193 9 Options Menu Event Command The sixth command in the Options menu is Event which enables you to define events for inserting into the trace area during recording you cannot insert events if you are only acquiring signals The events are organized in sets called event tables Choose Options gt Event to open the event pop up menu Figure 9 16 Options Windows Help Frequency Bands EP Schemes EEEE Display Print Filters Acquisition Record time Event d Montage k Sets Edit current Photostimulator Hot Keys System Users System System Info Predefined comments Figure 9 16 Event pop up men
49. UA Eo food aa mapping io Vi A AY Nd h Tab Default button m AI SONENS WA Pe Gai A an UU PH p ro NUMA ALR erry in YEN N ADA SAC PRSE LOMA dA WM a E pl Vitis NM HAARAA AA NAA AS nct Y time window TE isthe visible E E Ww 2 j area the mm j duration is 5 F Curgnt Interval indicated too Meer zr 28 j Acquisition Mode 29 1 La j Click the All o3 5 button to 39 ew IE IVC nae er VA ATR UIS AE go enn V JENNI S ERIS obtain m spectral maps 0200 Smith Lincoln Devon Montage GSN324R GSN 32 Channel Average Ref for the entire Spectral maps window exam Figure 6 13 Spectral brain mapping applied 2 Choose your preferred map size by clicking the square map resize button next to the Close X button in the Spectral Maps window to enlarge the maps click again to revert to its previous size Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 131 6 Automatic Calculations 3 Right click on a map and choose the map alignment from the resulting pop up menu bottom top right left or center of the window Figure 6 14 Spectral Maps olx Settings Print this map Print All maps Right click on a map to open this menu Align Batbam Align To
50. VAM olx m LI Differences in amplitudes first timepoint second timepoint SE 08 He between O20 San Lirscom Deron Montage 5H 32 33H 32 Channel Fil timepoints Figure 6 4 The amplitude maps table and markers Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 125 6 Automatic Calculations Amplitude Maps The maps represent the amplitude distributions on the patient s scalp of the first and the second timepoints and the difference between the two You can change the spectrum values by dragging the slider on the spectrum bar Figure 6 5 When you roll the cursor over any of the maps a box in the top right corner of the map window shows the amplitude value beneath the cursor Spectrum bar draggable Figure 6 5 Amplitude value under cursor Click the square map resize button in the Amplitude Maps window to enlarge the maps click again to revert to the previous size Figure 6 6 Map resize button man Hoc BH BM as ui Settings Print this map Print All maps eee i Figure 6 6 Map resize button 126 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 6 Automatic Calculations Right click on a map to display a pop up menu that contains the Settings and Print commands Figure 6 7 Amplitude map Settings Print this map
51. X Je Ro 2 qQ T4 v o 4 4 ve M QUEM ut dE Ru 32 um BR LL e MS i 4 22 E etm Me ossi iem S DE OE Pa ee UE ACER a Re ee CE Filter o Ne ME wa T TX BA Ge CK 2 WT ca Ou ua X Ue ho d R5 Aw A R UE P 4 u Aw e e a Ch OR i E TE s DESEE e 04 o0 c 30 M 9 dS do 2 575 3X jo C Xo GE oh f 4 ue 9 3 c o c 9 d 245 c 0 oW o EXE 29 UR C Ww 3 DRE CA Q amp 2 9 ds ve Do gt gt 3 45 gt gt D C 4 DS 309 5 C8 wi 4 Q3 4 ae W P 2 2 H H H z H 5 1 H gt H E 3 5 I 3 gt 2 r A H 2 3 H 6 lt a ee ECC MICI II os ier XR dd ce 4 e Qs 4 sat De M o up Qu Gu ad 4 S as Kx e Ne ME d o ME e odis fe aR LE LRL 3 Rr e ME LU MUS wilde Is Li e Od e mE Si xis M OL ZEE EE Ue oe OS C ERN ees ILU TI EROS Bins EE Lat ante Os WIE Men CORSI GNO OIL uA ES e 5s Wr x SE X Y TE o EM 4 e CE 1 4 WM 2 VR US 4T ru MR Ret gt EM LOUP NT 2X 248 RU WR CIA CRI E 2e o9 2 o ed Eek Sere RE
52. account 41 Review control panel 107 autoregression 135 141 148 AV1 AV2 and panes 201 average spectral density uV2 2 133 amplifier readout screen 40 amplitude uV 133 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 243 C Data Import command 151 database buttons calibration signal 79 Acquisition control panel 74 calibration voltage 190 Review control panel 100 cascade windows 62 database management tools 230 channel spectrum 138 database organization 229 amplitude and energy values 143 DB Util 234 close up view 141 DBSave 231 colorof 138 displayed graph 144 Delete Exam command 158 Delete Signal Portion command 116 export options 144 deleting exams 159 frequency values 143 deleting patient records 176 graph settings 139 deleting video data 117 howto 139 dialogs 66 parameters section 145 disk space management 228 spectrum graph 142 Display Configuration window 180 channel tile 78 EEG pane 182 checkboxes 68 Coefficient of asymmetry checkbox 134 Graphs pane 186 Maps pane 185 coherence spectra 146 Markers pane 183 close up view 149 colorof 146 graph settings 147 howto 147 command buttons 67 Parameters pane 181 Resolutions pane 184 Driver Signing button 29 Driver Signing Options dialog 30 Common pane 215 control panel features general 63 control panels horizontal versions 216 Current Patient Exam List 94 EEG menu 60 EEG signal 80
53. allow you to export graphs and values in a codified form from the current graph or from all graphs for processing in another software program M Export of tables with values zm 1 Curent graph All graphs OF Figure 6 29 Export options To request the codified format of the exported data contact EGI However EGI does not provide the external software to read the exported format 144 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 6 Automatic Calculations Parameters Section At the very bottom of the window is the parameters section This section contains options for the spectral density estimator periodogram or autoregression see page 135 for descriptions and also the keep parameters checkbox for saving output settings Figure 6 30 Parameters al Smoothed C Aukoregression Defaults Corr window AR order l l 1 3 00 p 1 50 Sec Keep parameters on exit Figure 6 30 Parameters section An Even Closer Look The individual channel spectrum window allows you to obtain an even closer view of the graph 1 Left click in the channel spectrum graph and drag until the area of interest is encompassed 2 Release the mouse key and an enlarged view of only the selected area appears in the channel spectrum graph area The amplitude from and
54. and choose Delete Patient from the resulting pop up menu which allows you to delete the patient s exams and private data from the databases Figure 8 17 Patient List Patients List Query Exams Chiang Timothy Scott E Andersen Gus Clover Anderson Gus Brownley Calvin Henry n Chiang Timothy Scott Crenshaw Alison Frances Davis Nick Charles m Dubray Yvette Amele E Hernandez Abrella Konyn Brooke Rachel E Lang my Karen E Lapchynski Ted Walter Refresh Link Lynette Irene E Marshall Stephen Paul E Maynard Gregg Marcus Figure 8 17 Deleting a patient record New Patient View Patient Edit Patient Ctrl F2 Ctrl I Delete Patient Ctri Del AE 1100 M 50 8 0800 50 7 4 Inthe confirmation window that appears click Yes to accept the deletion To delete only specific exams from a patient record and not the entire patient record 1 Choose Patient gt List 2 From the alphabetical list of patients click to select a patient record 3 Click the Exams tab to display the exams for that patient Figure 8 18 Patient List Patients List Query Exams Chiang Timothy Scott No Date N SEC 12 16 2004 1 34 09 12 16 2004 1 29 55 PM 12 16 2004 1 27 24 PM 12 15 2004 1 25 33 12 15 2004 1 21 07 PM 8 12 16 2004 1 17 42 PM Figure 8 18 Opening the Current Patient Exams window 5 11 2004 8 51 26 AM 5 6 2004 11 26 09 4M
55. archiving EEG data using Neurotravel Win After reading this manual but before using the software EGI strongly recommends reading Appendix B Unfiltered Recorded Data Although you can apply filters during the acquisition and review modes the filters do not alter the data they only affect how the data are displayed This ensures the integrity of the acquired EEG data 54 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 2 Process Overview The Options Menu The Options menu Figure 2 2 allows you to define general settings including display grids and colors printing parameters maximum recording time acquisition definitions such as electrodes acquired and other overall specifications Parameters set in the Options menu persist from exam to exam consequently EGI recommends establishing them during system setup so that they remain consistent across exams You can change the parameters at any time but should probably consult colleagues before doing so Print Filters Acquisition Record time Event Montage Frequency Bands EP Schemes Fr F F Photostirnulator Hot System Users System System Info Figure 2 2 Options menu The full Options menu is discussed in detail in Chapter 9 Options Menu Before acquiring data go to Chapter 9 which provides step by step instructions on how to define the following system settings
56. automatically Recommended Install from a list or specific location Advanced Automatic installation Click Next to continue Figure 1 24 Found New Hardware Wizard 7 Ifthe Hardware Warning dialog Figure 1 25 appears click the Continue Anyway button a confirmation dialog appears and Windows restarts the Found New Hardware Wizard program Hardware Installation A The software you are installing for this hardware NEUROTRAYEL After ReNumeration ezusb sys 5001 has nat passed Windows Logo testing to verify its compatibility with Windows 24 Tell me why this testing is important Continuing your installation of this software may impair or destabilize the correct operation of your system either immediately or in the future Microsoft strongly recommends that you stop this installation now and contact the hardware vendor for software that has passed Windows Logo testing Click this Continue Anyway STOP Installation b utton Figure 1 25 Hardware Warning 8 Again choose the automatic installation option and follow the installation instructions Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 39 1 Installing Neurotravel Win 9 If the Hardware Warning dialog appears again click the Continue Anyway button and complete the automatic installation sequence 10 A message listing the System name displays in the amplifier readout screen Figure 1 26 this indicates that your
57. colors Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 6 Automatic Calculations Map Parameters To activate the spectral brain mapping function 1 Click the spectral brain maps multicolored scalp button in the control panel to open the Spectral Maps window which displays maps of frequency bands such as delta and theta for the visible area onscreen Figure 6 13 you can change the time window to the entire exam by clicking the button in the analysis controls section 3 Neurotravel 0200 Smith Lincoln Devon N 7 1 12 2005 9 21 14 AM 00 03 02 EEG Patient View Operations Options Windows Help x oe Sra Th as a ara ark a a CT a a a rier aera aera B 3 We fob bob ob po boro bor pOL robo Li foi of sss AEn AA ae s NA s Special Mans EEI ap Map resize ae pue SU VAAT VV LARA Raving f t f IAS en button 3 526 haa Ana a fre ee eee cra DEI AUT H lt Ub uw oo q 5 KAA MH Rea een eth A BEN S nh SAU oL a AAA ERE w Bandpass ENS RAM VIAL AN en ai Notch T Spectral EM Dod po eee ewe ee 5 5 TUM MAL brain cere AU ath ns Pass PW Law ke de i
58. discontiguous selections e Select a large area Press the Control key and click once onscreen this selects the entire region to the right of the click Or press the Alt key and click once onscreen this selects the entire region to the left of the click Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 113 5 Review and Processing Once an interval is highlighted you can apply visualization tools to that selection see Analyzing Selected Data on page 117 for more information To deselect data double click within the selection or right click in the selection to display a pop up menu that contains the Unmark Interval command Figure 5 36 Analysis Measurements Ctrl R Amplitudes Ctrl L Event List Ctrl h Navigator Bar Ctrl B Add Event t I j Unmark Interval gt Current Save Intervals All Archive Ckri A Export 4 View Exam Info Edit Exam Info View Patient Info Ctrl I Edit Patient Info Figure 5 36 Unmarking selected intervals Saving Data Intervals Once the data are selected you can save the selections This process is called saving intervals and it captures the highlighting action itself it does not save the selected data to a separate file Saving intervals enables you reapply the highlighting later to spotlight sections of data of particular interest 114 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2
59. e The Measurements palette is already open Close the palette and drag again e You drag roughly in a straight line and do not include enough height in your selection An area of the trace comprising sufficient width and height must be selected for enlargement To continue enlarging the zoomed in region close the Measurements palette and drag the cursor over the area of interest in the enlarged view Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 111 5 Review and Processing To revert to the original display size press Control U or right click in the trace area and choose Unzoom from the resulting pop up menu Measuring Trace Portions The Measurements palette enables you to measure trace portions in terms of time or width ih Open the palette by clicking and dragging in the trace area which also zooms in on the area or by clicking the Measurements button in the Review control panel You can also right click in the trace area to open a pop up menu containing the cii E Measurements command and other options U To measure a portion of data at the measurement starting point in the trace press the left mouse key drag to the desired point and release the key The Current column in the Measurements palette will display the frequency of the measured trace directly calculated as the inverse of the time duration selected with the cursor Figure 5 34 T Measurements of Click arro
60. ee eS Se E MSAN SP ee OO er npo E DE VES ORENSE AONE NER A A ee pe ee w0 soo ec oe ont SSO te OR ECR CE ee EROR OR ee ee eee eee ee eee ee EM 008 5e me i Sa ROAR ni one en EARS RE UR URE CE er eM i ee a ee ee al 080 ne eso ium sent se eee See eit fae aed aE OEE kk et hc AE SE On eR Sa Unt eet ae et ae y Trace 2058 d Miei n i jer n i ei i ee Me A En ai eR Oe Re area ee eee ee ee eee eee RE Oe AE ee G5 Timer afer Protocol efault 5 Hz 13 Lee EF Wong a E Montage 32GSNar 32 GSN ave ref B Patient status bar Montage status bar Figure 3 1 The six main components of the Neurotravel window Title Bar The title bar in the top left corner displays identifying information for the current exam For a saved exam this includes the patient code patient name exam number date and time of the exam and the exam duration For an exam in acquisition mode the title bar displays New exam Figure 3 2 Neurotravel Mew exam Title bar in acquisition mode data are not saved yet no exam information to display gs Neurotravel 3333 Konyn Brooke Rachel N 8 3 17 2004 10 43 55 AM 00 00 59 Title bar in review mode data are saved ful
61. enable you to control the scrolling speed of the trace and the use of vertical and horizontal guidelines Figure 5 15 Trace display settings Use the top control to specify the scrolling speed of the traces displayed onscreen Below the speed control are checkboxes for showing or hiding the guides in the trace area during scrolling The Grid box refers to vertical guides and the Axis box refers to horizontal guides that correspond to each channel Choose Options gt Display to view the vertical guide widths Figure 5 16 Display configuration EEG signal general Grid Speed 30 mm sec jw Standard grid Truncate signal with high amplitude Horizontal axis EEG signal acquisition Gad width Vertical guide widths G 5 um Scrolling Use Direct Draw 30mm C Oscillograph No stand scrolling C 15mm Ruler HP filter in Montage Auto scroll Hz C Current Scrolling v Vertical C Sec As record C Pagewize Default OK Cancel Apply Figure 5 16 Display settings in the Options menu Review Montage Buttons To the right of the database buttons Figure 5 17 are the Figure 5 17 two review montage buttons These buttons enable you Montage to review the data using different montages buttons e Click the open button to view a list of available montages You can modify a montage by right clicking on a montage name in the list and choosing Edit from the resulting pop u
62. exam the video and EEG are saved to the same disk Later when you access the exam the patient images with the EEG data are displayed Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 225 10 VideoEEG Kit Option 226 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 chapter 11 DATA AND DISK MANAGEMENT T his chapter discusses issues that will help you enhance the performance and efficiency of Neurotravel Win Topics include data recorded to the acquisition disk data storage on the archive disk disk space management Neurotravel database organization and Neurotravel database management Acquisition Disk Neurotravel Win temporarily stores exams on the hard disk also called the acquisition disk It is important to keep the hard disk in good condition removing unusable data that can create clutter and consume much space The hard disk in EGI Systems is by default the C drive Although standard clinical recordings last 10 20 minutes consuming about 15 30 MB given Neurotravel s default sampling rate of 250 per second some recordings may take hours such as those for sleep studies In general you may want to calculate the amount of memory required by the exams which depends on variables such as number of electrodes You can minimize the space taken up by some exams by saving only essential data with sleep studies for example you can select save and archive only the REM sectio
63. in the database and the number of archived exams Windows Menu This menu contains commands related to how multiple open windows are displayed Cascade diagonally overlays the display of windows so that all the title bars are visible e Tile Horizontally overlays windows so that they can be viewed horizontally e Tile Vertically overlays windows so that they can be viewed vertically e Arrange Icons displays icons in specified order Close closes the current Neurotravel window e Close All closes all open Neurotravel windows e lt exam name gt indicates the names of the open Neurotravel windows Help Menu This menu contains commands related to assisting the user e Index opens a PDF version of this manual e About displays a window indicating Neurotravel Win s name version number and manufacturer 62 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 3 Neurotravel Win Interface Basics Control Panel The control panel Figure 3 5 contains all the buttons to control the printer photostimulator and traces displayed onscreen The panel is typically displayed vertically but it can be horizontal choose Option gt System gt View and select the Horizontal Status Bar checkbox Some controls are missing from the horizontal version this section describes the default vertical version The control panel changes according to the current operational phase For example during acquisition t
64. in this manual italics for definitions or newly introduced terms boldface italics for important concepts and boldface for command paths such as Help Index or file paths for example D Neurotravel Eeg_for_Windows DATA Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 xxi Preface Additional Information Two different methods are used to convey additional information notes and cautions Note This indicates information that may be helpful in understanding Neurotravel Win operations Caution This denotes important information that if unheeded could hinder Neurotravel Win use Support Repair and Documentation e For Neurotravel Win software support see Appendix A e For online updates to this book check EGI s Documentation page at www egi com documentation html Related manuals also available at that site include Geodesic Sensor Net Technical Manual descriptions of patented geodesic based device for acquiring electrical signals from the human scalp EGI Systems Technical Manual descriptions of all the hardware needed to acquire EEG data excluding the Geodesic Sensor Net Opening and Closing Neurotravel Win You can launch Neurotravel Win in various ways Double click on the Neurotravel icon on the Desktop Hee Neurotrayvel e Select the Neurotravel icon on the Desktop and press the Enter button Application icon e Right click on the Neurotravel icon o
65. l DES 7 After you specify local values and click OK in the parameters dialog the channel tile label is underlined to indicate that specific values have been applied 78 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 4 Acquisition and Recording Signal Buttons In the middle of the Acquisition control panel is a group of buttons for checking the Interrupt signal amplifier signal quality before recording Calibration signal Figure 4 14 There are three buttons signal calibration signal EEG signal and interrupt Figure 4 14 Signal buttons signal e Calibration signal This button applies the calibration signal to each channel allowing you to view the effect of each channel s filter and sensitivity settings on a test signal The calibration signal is a 0 5 Hz square wave that is visible when the highpass and lowpass filters are set to DC First initiate acquisition by clicking the Acquisition toggle second click the calibration signal button Figure 4 15 LPIPTER 11 He nw one a P MEE EE EE PER dii B8x E Y 7 SAISIR ARIA o f ra Mee Tum m SE 2 Me ANNA ee Y sed vri and 4A m MS pP Pene psa v s jJ AMA A REA 7 88 iy or P bro
66. list of values When the correct in acquisition mode value is highlighted press the Tab key Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 63 3 Neurotravel Win Interface Basics 64 Indicators Indicators provide additional information such as the event table currently in use Figure 3 8 Tab test Figure 3 8 Indicates the current event table Timers A timer is a clock that indicates a time measurement 00 00 18 according to a specified time mode Figure 3 9 EL In the control panel a timer is located at the bottom T wem imer acquisition directly above the Acquisition toggle The timer indicates the acquisition duration in hours minutes seconds 00 00 10 While recording a timer directly over the Record toggle H also at the bottom indicates the duration of the recorded Timer record exam in hours minutes seconds Figure 3 9 Timers Montage Status Bar The montage status bar in the bottom right of the window indicates which montage is currently being used to acquire or review an exam Figure 3 10 Montage S2G5Nar 32 GSH ave ref Figure 3 10 Montage status bar You can hide this bar and the patient status bar by choosing Options gt System gt View and deselecting the Status Bar checkbox Patient Status Bar The patient status bar in the bottom left of the window displays the identifying code and name of the patient whose patient file is currentl
67. match The hard copy manual contains grayscale images the PDF contains color and grayscale images The manual features a table of contents list of figures list of tables and index which are all hyperlinked in the PDF to the topics they reference in the publication The PDF file is also available by choosing Help gt Index from within Neurotravel Win Note Acrobat Reader is needed to open the PDF versions Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 Preface Manual Organization The discussion in the manual falls into five major categories Installation and interface Chapter 1 Installing Neurotravel Win Chapter 2 Process Overview Chapter 3 Neurotravel Win Interface Basics General operations Chapter 4 Acquisition and Recording Chapter 5 Review and Processing Chapter 6 Automatic Calculations e Specific tools and menus Chapter 7 Function Tools Chapter 8 Patient Menu Chapter 9 Options Menu e Optional video feature Chapter 10 VideoEEG Kit Option e Disk management Chapter 11 Data and Disk Management Two appendixes are also included e Appendix A Software Technical Support e Appendix B Application Examples Conventions and Typography Inthis manual the terms Neurotravel Neurotravel Win and software are treated as synonyms e In general a minimal amount of special fonts are used
68. on the central archiving unit s hard disk To access this mode Choose EEG gt List A list of exams appears ordered by acquisition disk The exams are temporarily stored on the hard disk and can be archived or deleted as necessary e Archive review Enables you to review traces already archived on disk To access this mode Load the storage media for example optical disk that contains the archived EEG traces Choose EEG gt Archive List and check that the correct disk E drive is selected For more information see Chapter 5 Review and Processing Archiving Data Note Save your database before copying the data to the archive disk Use the DBSave file in the Utility folder of the Neurotravel application folder see Creating a Copy of the DATA Archive on page 230 Briefly to archive data 1 Make sure that the appropriate storage media for example a DVD RAM disk is loaded 2 Choose EEG gt Current Patient List to select and open an exam to archive 3 Right click and choose Edit Exam Info from the resulting pop up menu to review the notes about the exam Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 241 A Application Examples 4 Ifthe exam has been reviewed by the appropriate parties and is ready for archiving right click and choose Archive from the resulting pop up menu or press Control A on the keyboard to begin transferring the exam from the acquisiti
69. spectrum in either acquisition or review mode Figure 6 20 Channel spectrum button Color Schemes The software assigns default colors to the graphs To change the color schemes used for the graphs choose Options gt Display and click the Graphs tab Figure 6 21 Display configuration Parameters EEG Markers Resolution Maps Color Schemes E Graphs Background Grid Main graph e Axis Sec graph a Marker Label Frequency bands woo Default OK Cancel Apply Figure 6 21 Graph colors 138 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 6 Automatic Calculations Channel spectrum window Neurotravel Win Technical Manual Graph Settings To activate the channel spectrum function 1 Click the channel spectrum button to open a window displaying the spectrum graph for each channel Figure 6 22 1 Neurotravel 0200 Smith Lincoln Devon N 7 1 12 2005 9 21 14 AM 00 03 02 EEG Patient View Operations Options Windows Help X HEESE MESS Se Naaa aaa T 5 770072 303 303 L l Eel AMAA AA ABA Aids VAIN V Vir PN Pise UV Eek mms 30 Grid Axis Wmm 7 Y LP Hz pc HP Hz pc Bandpass as e J za fr Tab Default m Curent Interval
70. system is ready for use Readout 11 Replace the DATA folder at D Neurotravel Eeg_for_Windows Figure 1 26 Amp readout with the one you copied earlier that contains your database files Caution If you change the destination folder during the installation window 4 A of Figure 1 21 you must modify the route in the System Configuration dialog choose Options gt System click the Common tab after you first start the Neurotravel application The exam files must have their own folder called DATA inside the Neurotravel software installation folder For example if Neurotravel is installed on D Neurotravel Eeg_for_Windows then the Data Files Path should be D Neurotravel Eeg_for_Windows DATA Figure 1 27 System configuration Common Report Export Import View Make sure that the Data folder for the exams is nestled in the Neurotravel software installation folder on the destination disk Name of the Clinic Electrical Geodesics Inc Options v Print preview V Show configuration dialog before data printing v Demo mode Figure 1 27 Data path A40 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 1 Installing Neurotravel Win First Start with Neurotravel When you first start Neurotravel after the installation check that the log in window and system connections are set up correctly 1 Start Neurotravel by double clicking on th
71. t di i ii ai vuU en BP ar m au ET UU nmt Ae hu pf x i w E i F 1 a i 1 a fum Ue pean Anu Mee Wwe fr MAN V jure nte vM nv ame PB A CES eS Li MAI e e S rw a ELA tne ar PY om T ii SANA A te tin AN AAA mm ea x Eun EE Fig m ee ti Mu uo Pitt sur e PT mn rea e gar s ar I PP nde ee rat P B m A pel Pi fete Peru Puntos uei XP mee Jo SAIS Wes os um etra Lut y VA cee c pues ab emu yy prem e Un eh a ee niis a Figure 4 9 Notch filter off left and on right To select the notch filter setting choose Options gt Filter Figure 4 10 Filter configuration Parameters 50 or 60 Hz for Notch filter frequency the notch filter v 50Hz Additional Suppression Figure 4 10 Select 50 or 60 Hz notch filter in the Filter Configuration window Filter Selector Values Above the notch checkbox is a group of selectors for specifying values for filter sensitivity highpass PERSA filters and lowpass filters for an EEG session Lowpass Figure 4 11 Highpass Bandpass The filter sensitivity selector opens a predefined list moa of values you cannot define your own value by typing it into the text box The lowpass and Figure 4 11 Filter controls highpass filter selectors open predefined lists b
72. the amplitude of every channel produce spectral maps and perform spectral analysis for each channel or each channel pair Automatic calculations are useful for real time monitoring of critical patients such as those in intensive care units All but amplitude mapping are operable during either acquisition or review you can map the amplitude only in review mode Each calculation function is described in this chapter Amplitude Mapping The amplitude mapping wavy button Figure 6 1 appears in the middle right part of the Review control panel This button allows you to measure the amplitude in microvolts of two timepoints in each Figure 6 1 Amplitude mapping button channel in review mode Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 123 6 Automatic Calculations 124 Color Schemes The software assigns default colors to the timepoints markers maps and so forth To change the colors of the amplitude timepoints choose Options gt Display and click the EEG tab In the EEG pane the Amplitude and Amplitude pop up color menus allow you to specify the colors for the first and second timepoints respectively Figure 6 2 Display configuration Markers Resolution Maps Graphs Color Schemes Bright Elements Background Signal Amplitude L H E Specify color Grid Hor axis Amplitude 4 la timepoints Makers of stimuls Marked EEG
73. the VideoEEG option is enabled Solution Follow this suggestion e Make sure that the XPress Video System components are properly installed and configured see Installing the VideoEEG Kit on page 47 Warning Message Error in VideoEEG This message appears after you click the VideoEEG button in the Acquisition control panel The message indicates that there is a problem initiating the XPress Video System Solution Follow this suggestion e Make sure that the XPress Video Acquisition PCI card is properly installed in the computer and enabled in the Windows Device Manager see Installing the VideoEEG Kit on page 47 The VideoEEG Window Is Black This problem occurs if the video coaxial cable is connected to the wrong input port on the back of the XPress Video Acquisition PCI card Solution Follow this suggestion e Make sure that the cable is connected to port 1 on the XPress video card see Figure 1 39 on page 48 for the location of port 1 e Make sure that port 1 is selected as the camera input in the XPress XVCR Settings window see Installing the VideoEEG Kit on page 47 52 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 chapter 2 PROCESS OVERVIEW N eurotravel Win contains streamlined features to safeguard against error in the clinical environment Before delving into the specific acquisition review and archiving tools of Neurotravel Win however you should be aware of th
74. the arrows in the bottom right corner of the window 68 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 3 Neurotravel Win Interface Basics Using the Mouse By pressing the right mouse key you can perform many of the functions described in this manual Such operations are often context dependent and their display windows differ in appearance Some functions can be accessed only through a right click adding an event during the review phase for instance Figure 3 15 Analysis b Measurements Ctrl F Amplitudes Event List Ctrl h Navigator Bar Ctrl B View Examine Info Ctrl Edit Examine Info Figure 3 15 Pop up menu with Add Event command is available only with a right click Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 69 3 Neurotravel Win Interface Basics 70 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 chapter 4 ACQUISITION AND RECORDING W hen you first open Neurotravel Win the window is automatically set up for EEG trace acquisition Click the Acquisition toggle the button in the bottom Acquisition right corner see Figure 4 1 to begin acquiring signals Change the appearance of the signals by applying different montages and filters from the control panel the actual data recorded however are unfiltered and based on the electrodes selected in the Acquired Electrodes pane of the Data Acquisition Configu
75. the trace area including EEG signals amplitude timepoints see Color Schemes on page 124 for more information about amplitude timepoints and video EEG markers You can choose from the preset color schemes offered or manually select a color for each element by clicking the dotted browse button 182 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 9 Options Menu Markers Pane Figure 9 4 shows the Markers pane Display configuration Parameters EEG Markers Resolution Maps Graphs Standard Events 2 4 Dotted a o ME s e id gt different color Stimulator on off EN Marker s width 2 Record interrupted Marker s line Esternal event Different colors for different control cades EN Iw Mon used Cs Default Cancel Apply Figure 9 4 Markers pane The Markers pane contains controls for color coding elements associated with events which is useful for event related potential studies to specify a color click on the dotted browse button You can define and order standard events and link them to the current event table The pane also allows you to change the line width and style of the markers As many as 64 events can be color coded Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 183 9 Options Menu Resolutions Pane Figure 9 5 show
76. to open the program manager manually T My Compuler Fie Edi Vew Fearta Took Help Qe Q E Adeste id My Computer 2 My Recent Documents gt Vies Stored on This Computer System Taska e My Documents e My Pictures 4 ew intormaben Shared Documents ou Bede ristr atia s Documents e My Music du Adde imya programa Hard Disk Drives Je Change a setting T My Computer 71 dingy dad My Network Places M HE TUER pO Local Di gee Local Ded D 0 Local Dek ite Control Panel wg Piy Ek Placas Set Program Access and Devices wah Berman able storage Defaults Printers and Faxes UL Q mm Double click to open and support BV the program manager 0 Search I Run be Dell Solution Center P Log OFF Turn Off Computer Figure 1 14 Open the program manager manually 3 Inthe program manager click on Key Drivers Install see Figure 1 13 to open the first of a sequence of windows that leads you through the installation the default settings are recommended Figure 1 15 If the software detects an older version of the drivers choose to update Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 amp Sentinel System Driver 5 41 1 32 bit InstallShield Wizard Welcome to the InstallShield Wizard for Sentinel System Driver 5 41 1 32 bit The InstallShield R Wizard will install Sentinel System Dri
77. view edit or delete the table from the database Figure 9 18 Event Sets Standard table of events Short standard table of events Eye table of events Standard table of events Standard table of events Refresh New Ins View Edit F4 Delete Ctrl Del Figure 9 18 Modifying an event table From the pop up menu e f you select New you can create an event table based on the default table e f you select View you can only view not edit the tS Timer selected table e ec lt e f you select Edit you can modify the selected table Figure 9 19 Event e If you select Delete you can remove the selected table Once you select an event table it becomes the current one indicated at the top of the event table section in the Acquisition control panel Figure 9 19 196 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 9 Options Menu Adding to an Event Table When events occur that are not in the current event table you can create new events during recording or review During recording simply click in the traces area to open the Event Comment dialog which enables you to insert a new comment During review choose Options gt Event gt Predefined comments to open the Predefined Events Comment dialog where you can enter new comments Figure 9 20 Predefined events comment Comment E 1 Res
78. window consists of two tabbed panes Parameters and Acquired Electrodes Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 189 9 Options Menu Parameters Pane The Parameters pane Figure 9 11 allows you to set the following values used during acquisition e Sample rate points per second Sets the EEG sampling rate Only available rate is 250 Calibration voltage uV Sets the amplitude of the test signal for the amplifiers and filters Available voltages include 10 50 100 and 1 000 Data acquisition configuration Parameters Acquired electrodes Sample rate points per second 256 Calibration voltage 0 C 10 50 E Cancel Figure 9 11 Parameters pane Acquired Electrodes Pane The Acquired Electrodes pane allows you to determine which electrode signals are recorded which differs from the montage setting chosen in the Acquisition control panel The montage list button in the Acquisition control panel allows you to choose how the signals are displayed not which ones are recorded If you choose a montage that Montage list contains electrodes not selected in the Acquired Electrodes pane a message appears button 190 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 9 Options Menu Figure 9 12 the unselected channels are represented by flat lines in the trace area and their channel tiles are dimmed Figure 9 13
79. with the camera connected The data acquisition computer or DAC is a Dell Dimension 8400 PC GSN Hypertronics connector Photostimulator be ee Local power Isolation transformer Main power Zoom control Figure 10 1 Cabling for a VideoEEG system VideoEEG Settings This section discusses settings designed to facilitate the recording and archiving of the digital images The information provided is intended to help you optimize VideoEEG for your application or environment Note When an exam is recorded with the VideoEEG option it is marked with an asterisk in the Patient Number field when you choose either EEG List or EEG Archive List Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 10 VideoEEG Kit Option System Configuration For best results always archive the recorded files because video data can quickly consume available disk space The data acquisition computer from EGI contains a DVD RAM drive which is the recommended storage medium The video data are linked to and stored with their corresponding EEG traces When you archive a videoEEG file the video is archived with its EEG trace To check or modify these parameters 1 Choose Options gt System 2 Inthe System Configuration window click the Common tab 3 Verify that the Exam Disk file path corresponds to a hard disk with sufficient capacity Recording Quality The size of the video and audio fil
80. you to use the mouse or keyboard to manage all recording storage and printing commands and options This ease of use facilitates quick and accurate EEG data recording and analysis This chapter introduces the interface elements starting with the main components of the Neurotravel window and proceeding through brief descriptions of the general element types Dialogs and the mouse are also discussed The Neurotravel Window Neurotravel Win s graphical user interface consists of six main components e Title bar e Menu bar e Control panel e Montage status bar e Patient status bar e Trace area Figure 3 1 shows the locations of these elements in the Neurotravel window Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 57 3 Neurotravel Win Interface Basics Title bar Menu bar Control panel Neurotravel New exam PIE WW EEG Patient View Operations Options Windows Help 1 eee wale ae Ae Cae eae 71 RINN EET M eed e ees 00 00 04 PP REEL 00080052 oat tee nas 3 11 7 ee B ks a ae 08 01 pee ein i t e i s e e 0 t jipe RM dFR MMAM M pM M EGG eee eee ee ROUEN eee
81. 00 s 00 Hz LJ gp Acquisition Tab Default x v d 44 eae cquisition Mode B5 amp Slow Fast Review Figure 9 46 Horizontal control panels for acquisition top and review bottom Acquisition the horizontal version lacks the montage display setting filter and visualization buttons of the vertical version see Figure 4 2 on page 73 Review the horizontal version lacks the montage display settings filter automatic calculation measurement amplitude and VideoEEG buttons of the vertical version see Figure 5 10 on page 99 If the Status Bar checkbox is unselected both the patient and the montage status bars are hidden System Info Window The 13th command in the Options menu is System Info which enables you to view system information Choose Options System Info to open the System Info window Figure 9 47 The window displays the following program settings e Number of Patients number of patients in the database e Exams in Database number of exams recorded Number of Archived Exams number of exams archived Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 217 9 Options Menu e Last Archive Disk Label label of the most recent archive disk System Info System Load Number of Patients Exams in Data Base Humber of Archived Exams Archive Last Archive Disk Label Figure 9 47 System Info window 2
82. 001 March 31 2005 7 Function Tools 5 Choose EEG gt Archive List to open the Archive Exams List window Figure 7 8 which shows the exams that have been transferred to the archive disk partition you can open and review these exams and their traces if desired Archive Exams List 1 Exams List Query L Pa enName No Date Time Durat D Yasha Inu Andersen Gus Clover Murias Esteban Jesus Rayle Lisa Colleen Andersen Gus Clover Andersen Gus Clover Smit Nikki Jessica E Brownley Calvin Henry Open in New Window 10 8 2004 1 53 20 3 11 2004 3 25 00 Alv 1 26 2004 3 23 04 Av 1 23 2004 3 41 23 1 23 2004 3 05 28 1 23 2004 3 05 28 Av 1 22 2004 2 02 58 Pv 1 21 2004 3 37 48 AN Figure 7 8 Archive List 00 17 35 00 00 59 00 00 18 00 01 00 00 00 59 00 00 59 00 00 59 00 00 29 6 Choose Options gt System Info to open the System Info window the Archive section displays the label of the archive disk partition Figure 7 9 System Info System Loa Number of Patients Exams in Data Base Humber of Archived Exams Archive Last Archive Disk Label Figure 7 9 Archive disk label Archive disk 7 Copy the entire contents of the archive disk partition that is the E section to a storage media such as a DVD RAM disk and name the disk according to the archive disk label provided in the System Info window 8 If the archiving path is
83. 005 5 Review and Processing To save intervals right click in the trace area and choose Save Intervals Figure 5 37 A pop up window appears allowing you to name the selected intervals with an identifying code that indicates their significance for example spike Analysis fideo EEG Measurements Ctrl R Amplitudes Ctrl L Event List Ctrl N Navigator Bar Ctrl B Add Event Unmark Interval Save Intervals Archive Ctrl 4 Export View Examine Info Ctrl Edit Examine Info View Patient Info Ctrl I Edit Patient Info Figure 5 37 Choose to save a data selection Once the intervals are saved you can continue saving different data selections in that file if desired To view a list of the file s saved intervals right click in the trace area and choose Load Intervals from the resulting pop up menu The Select Saved Intervals window appears Figure 5 38 Select Saved Intervals Analysis Measurements Ctrl R smith_ _saved Amplitudes Ctrl L Event List Ctrl N Navigator Bar Ctrl B Add Event Load Intervals Archive ctrl 4 Export b View Exam Info Ctrl V Edit Exam Info View Patient Info Ckrl I Edit Patient Info Figure 5 38 Choose Load Intervals to view the Select Saved Intervals window Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 115 5 Review and Processing In the Select Saved Interva
84. 1 March 31 2005 209 9 Options Menu The new photostimulator protocol window contains five fields e Name protocol name e Comment short description of the protocol e Step step number to define the protocol e Time protocol step time expressed in seconds e Freq frequency expressed in Hz of the flashing of the photostimulator The duration of time when the stimulator is not flashing equals the step time To create a sequence 1 Enter a name in the Name text box 2 Enter a brief descriptor in the Comment text box 3 Select the program parameters at right Default Mode section Specifies whether the photostimulator is in automatic or manual mode at startup Repeat control Determines how many times the automatic photostimulation protocol is repeated Frequency Manual selector Defines the initial photostimulator frequency used at startup during manual operation 4 Click in a row to select a protocol step 5 Click the Insert Step button to add a row after the selected protocol step or click the Delete Step button to delete the selected step 6 After clicking the Insert Step button click in the Time column to select it and click again to enter a value or you can select a value from a pop up menu that appears to the right Figure 9 37 Figure 9 37 Specifying a new step 210 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 9 Options Menu 7 Click in the Frequency column t
85. 1 Program manager 3 Inthe first window of the installation program click Next Figure 1 32 24 Sentinel SuperPro Medic InstallShield Wizard Welcome to the Rainbow Technologies installation Wizard for the Sentinel SuperPro Medic This wizard will help unzip and install the Sentinel SuperPro Medic to your system There will be no short cuts created To continue click Next z Back Cancel Figure 1 32 Sentinel Medic installation window 44 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 1 Installing Neurotravel Win 4 Inthe second window Figure 1 33 select a destination for the program files and click Next 24 Sentinel SuperPro Medic InstallShield Wizard Location to Save Files Where would you like to save your files Please enter the Folder where you want these files saved If the Folder does not exist it will be created For you To continue click Next Save Files in Folder Choose a C Program FilesiRainbow Technologies SuperPro Medic destination InstallShield lt Back C next gt Cancel Figure 1 33 Destination for program files Note If a dialog indicating that the program is already installed on your computer appears you can choose to overwrite the installed program if you wish 5 Inthe Sentinel SuperPro Medic interface that appears Figure 1 34 open the Server Name IP or Mode pop up menu to specify the search type for connected hardware keys
86. 1 06 Chiang Timothy Scott 8 12 16 2004 1 17 42 PW 00 00 56 Yasha Inu 11 10 8 2004 1 53 20 00 17 35 Yasha Inu 7 10 8 2004 1 53 20 Ph 00 17 35 Yasha Inu 9 10 8 2004 1 53 20 Ph 00 17 35 8 10 8 2004 1 20 53 PW 00 32 14 12 10 8 2004 1 20 53 00 32 14 E 10 8 2004 2 57 19 00 23 19 Figure 7 5 Select exams to archive Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 155 7 Function Tools 2 Inthe list click or Control click to select one or more exams to archive and click the OK button Caution Once an exam has been transferred to the archive disk partition it A cannot be edited or deleted from within Neurotravel Win Contact EGI Support for help if needed Appendix A 3 A window appears displaying the archiving disk label generated the remaining archiving capacity and the size of the currently archived disks Figure 7 6 click OK Confirm 2 Disk Label 1 Disk Capacity 22123700 KB Exams to Archive 1141 KB Figure 7 6 Information window for the first archiving disk 4 After a message confirming the completion of the operation appears Figure 7 7 click OK and continue archiving until a message appears notifying you that the disk is full 1 Operation has been successfully completed Figure 7 7 Successful archive 156 Neurotravel Win Technical Manual S MAN 200 WINC
87. 18 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 chapter 10 VIDEOEEG KIT OPTION he Neurotravel VideoEEG kit is an optional package designed to capture moving images of the patient during EEG acquisition The images are coregistered with the EEG The digital kit can be installed in any Neurotravel Win based system that requires synchronization between EEG traces and patient images In addition VideoEEG provides synchronized video and audio recording so that the physician can add information and comments to the appropriate spots in the recording The result is an ability to link trace events to physical movements performed by the patient during acquisition This feature is especially useful for clinical behavioral studies in areas such as sleep Kit Components The VideoEEG kit consists of e A video acquisition PCI card to compress register and review the image files from the video camera e XPress drivers and applications for the digital acquisition board e Additional software within Neurotravel for synchronizing the video images and the traces acquired through an ATES amplifier e Video camera black and white infrared or color e Microphone e Supplementary support within Neurotravel for recording and archiving the digital videos Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 219 10 220 VideoEEG Kit Option See Figure 10 1 for an example of a simple configuration
88. 3 is for channels 1 and 2 the next is for channels 3 and 4 and so on i Neurotravel 0200 Smith Lincoln Devon N 7 1 12 2005 9 21 14 AM 00 03 02 Said q EEG Patient View Operations Options Windows Help mms 30 Grid Anis o X a SSS eo EDU Gh ee ee i l E TAAA VISA MANN NA N I B uM mm LP Hz pc HP pc Bandpass Notch v Coherence spectra button Tab Default jw adal The default time window is the visible area the duration is indicated too Currpnt Interval Coherence Ava ap UA NAAN NAL M eA M tense spectra Aa in Click the All window button to obtain channel 0200 Smith Lincoln Devon Montage GSN32A R GSN 32 Channel Average Ref S pect rum graphs for the entire exam Figure 6 33 Coherence spectra for the channels The spectral representation highlights the corresponding bands in color if significant values those greater than 0 5 have occurred By default the coherence spectra graphs represent the visible area onscreen to change the graphs to represent the entire exam click the button in the analysis controls section of the control panel Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 147 6 Automatic Calculations
89. 31 2005 5 Review and Processing Navigation Bar Navigation bar The leftmost button above the scrolling speed slider is the navigation bar toggle toggle Click it to open or hide the navigation bar Figure 5 13 Ju 00 00 04 5 Navigation pous nF I time text box Navigation slider Event markers Figure 5 13 Navigation bar and toggle The navigation bar consists of the navigation slider event markers event row and navigation time text box Each is described briefly e Navigation slider Allows you to navigate to a specific event in the trace by dragging it to the event marker e Event markers Are vertical marks in the event row above the navigation slider see Figure 5 13 If you have color coded the events by choosing Options gt Display and coding them in the Markers pane then the vertical marks in the event row are likewise colored e Event row Allows you to navigate rapidly to an event by double clicking on the desired spot in the row e Navigation time text box Allows you to navigate by time by entering a value in the navigation time text box see Figure 5 13 which displays the timepoint of the slider Press the Enter key Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 101 5 Review and Processing Event Search Buttons 44 bh Event navigation The event backward and event forward buttons of the navigation controls enable you to sea
90. 8 20 Confirm 2 Delete selected exams eT Figure 8 20 Confirming the deletion of the exam 178 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 chapter 9 OPTIONS MENU T he Options menu in the Neurotravel Win menu bar contains commands for configuring the setups for display printer acquisition parameters recording time events montages frequency bands photostimulator and other features described in this manual Figure 9 1 Note The EP Schemes feature is optional and not discussed in this manual It is best to configure the system setup and keep the settings consistent before acquiring data This chapter describes each of these settings e Display e Print e Filters e Acquisition e Record time e Event e Montage e Frequency bands e Photostimulator e Hot keys e System users e System e System info Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 Options Display Print Filters Acquisition Record time Event Montage Frequency Bands EP Schemes Photostimulator Hot Revs System Llsers System System Info Figure 9 1 Options menu 179 9 Options Menu 180 Display Configuration The first command in the Options menu is Display which enables you to set up the display configuration Choose Options gt Display to open the Display Configuration window The Display Con
91. 85 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 83 4 Acquisition and Recording You define events in the Event Table dialog which you open by choosing Options gt Event and selecting New or Edit Current from the resulting pop up menu Figure 4 23 Windows Help Display Print Filters 00 00 04 Acquisition Record time Mew Montage Sets Frequency Bands EP Schemes Edit current Fredefined comments Fhotostimulator Hot keys System Users System System Info Figure 4 23 The Event menu command If you want to edit an existing event table select Sets from the pop up menu to view a list of defined event tables right click on the desired table name and choose Edit from the resulting pop up menu the Event Table dialog appears Figure 4 24 Event table New Name Default mi Standard table of events Comment E yes opened Eve nt Eyes closed ti mer Hyperventilation setti ngs End of 1 st minute 2 nd minute 3 rd minute 4 th minute al Av m im am m Figure 4 24 Event Table dialog In the Event Table dialog define the events by filling in the Name and Comment text boxes and by typing in the desired definitions in the Events Comment and Timer columns 84 Neurotravel Win Technical Manual S MAN 200 WINC 001
92. Acquisition card 47 XVCR window settings 49 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005
93. Electrical Geodesics Inc AT E S Neurotravel KEY Medica Device HE Geodesic EEG System on Neurotravel technology 00 numBer Serial number Rev Figure 1 12 Serial numbers on installation CD left and hardware key right Note Remove all hardware keys before installing or removing the hardware key drivers To install the hardware key drivers 1 Insert the Neurotravel installation CD into the DVD RAM drive Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 3l 1 Installing Neurotravel Win 32 2 The program manager software tool ATES Medica Device automatically Administrator J Outlook Express j Internet Internet Explorer E mail Neurotravel Paint Notepad Br Eeg Acrobat Reader 5 0 WordPad All Programs gt appears Figure 1 13 The Release Notes PDF file also automatically opens close or minimize it If you do not have Adobe Acrobat installed click on Acrobat Reader in the program manager Got inatallor Welcome Please choose an option Neurotravel Install Operator s Manual Browse our Web Site Acrobat Reader 4 Key Drivers Install Important Notes Sentinel Medic Install Figure 1 13 Program manager If the manager does not automatically appear open the Start menu and choose My Computer in the resulting My Computer window double click on the GES icon in Drive F Figure 1 14
94. Electrical Geodesics Inc Neurotravel Win Technical Manual Neurotravel Win Technical Manual 9g Newrotravel m R EEG Potert Vew Cperstions Options Windows Hep 28 Nielsen Gabriel Susan N 3 1 11 2005 2 25 21 DTX 28 i a 19 cas A w vov Al VA Wii e n AN er ad NV AeA WW We v Af APANA AN mw 0 _ ay Vay AM eso ANNA ee A AM ft MM WV w pe ion Gid B DN W WM Moss A Mee we Nw Vos MIS TV tery wal VAM NA d A I an AUN f fee M P Aud Poe NIU Wi Aan AL gne f fy AA IVA e Moss Ww vov AA Laan veu U s an qnem MIS NU AM y Ame 7 B Spans nly o n Mv n NA Pod VIVA nA A Aft A e un LP Hat Em d MAN VN Mw Mon d Hi vi Vian ntl ANM pass HPHe 053 ae ML AA WAAN A ww A AN ty n ay A W MN NV IS M AO WW Y M Jn MIA Ni V Noch NW A aj AMI fed WT ww Tes NV MAP AJ ev MINNS TYPI Af A n pwn Vee help frie Ve wy wy has Any My PAD AAS W ARA IN My ees fV vl N Pow Fen IS EA yd Vy alat 1 Tab Octet wd Vw Mur f AAA Views aan j j M P v Um yes UM FEN ped 3 e LaL N Wey vey Aa Ay ANN KANAAL Y M Ve J 9 fry A A m AAA ANA AAA WS INTY AN 9 44 b AMA N M IPs AN
95. Filter Configuration window 188 9 10 Additional suppression off top line or on bottom line 189 9 11 Parameters pane 190 9 12 Not acquired message 191 9 13 Unrecorded channels are represented by flat lines and dimmed tiles 191 9 14 Acquired Electrodes pane 192 9 15 Record Time dialog 193 9 16 Event pop up menu 194 9 17 Event Table dialog 195 9 18 Modifying an event table 196 9 19 Event table indicator 196 9 20 Adding an event comment 197 XVI Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 List of Figures 9 21 Montage pop up menu 197 9 22 Parameters pane 198 9 23 Channels pane 199 9 24 Specific values controls 200 9 25 AVI pane 201 9 26 AV2 pane 202 9 27 pane 202 9 28 Modifying a montage 203 9 29 The current montage 204 9 30 Frequency bands pop up menu 204 9 31 Frequency Bands dialog 205 9 32 Frequency Bands window with dimmed bottom section 206 9 33 Modifying a frequency band epoch 207 9 34 Photostimulator controls set to manual left and automatic right mode 208 9 35 Photostimulator pop up menu 209 9 36 Creating a new photostimulator program 209 9 37 Specifying a new step 210 9 38 Modifying a photostimulator program 211 9 39 Photostimulator program indicator 212 9 40 Hot Keys window 212 9 41 System Users window 214 9 42 pane 215 9 43 Report pane 215 9 44 Export Import pane 216 9 45 View pane 216 9 46 Horizontal control panels for acquisition
96. IEE EEEE EEE Press any key to continue RAR 2 83 Copyright lt c gt 1993 98 Eugene Roshal 19 March 1998 Shareware version Type RAR for help Evaluation copy Please register Updating solid archive c temp Database rar Neurotrave l Eeg_for_Windows data EEGEXAM DB Neurot rave l Eeg_for_Windows data ELECTROS DB Neurot rave l Eeg_for_Windows data EPSCHEME DB Neurot rave l Eeg_for_Windows data EUCOMMS DB Neurot rave l Eeg_for_Windows data EVENTS DB Neurot rave l Eeg_for_Windows data EXAM DB Neurot rave l Eeg_for_Windows data FONOS DB Neurot rave l Eeg_for_Windows data FRQ_BANDS DB Neurot rave l Eeg_for_Windows data LABELS DB Neurotrave l Eeg_for_Windows data LOCKS DB Neurot rave l Eeg_for_Windows data MDATA DB Neurot rave l Eeg_for_Windows data MONTAGES DB Neurot rave l Eeg_for_Windows data PATIENT DB Neurot rave l Eeg_for_Windows data PATTERNS DB Neurot rave l Eeg_for_Windows data PHOTICS DB Neurot rave l Eeg_for_Windows data PRPHOTICS DB Neurotrave l Eeg_for_Windows data SESSN DB Neurot rave l Eeg_for_Windows data USERS DB Neurotrave l Eeg_for_Windows data EEGEXAM MB Neurot rave l Eeg_for_Windows data ELECT ROS MB Neurot rave l Eeg_for_Windows data EPSCHEME MB Neurot rave l Eeg_for_Windows data EVENTS MB Neurot rave l Eeg_for_Windows data EXAM MB Neurot rave l Eeg_for_Windows data FONOS MB Neurotrave l Eeg_for_Windows data FRQ_BANDS
97. Misc Data pane described on page 166 Delete Exam lt a Figure 8 16 Template Viewing Exam Reports To view the exported report 1 Choose EEG gt List to open the Exams List 2 Right click on the exam in the Exams List and choose View Exam Info from the resulting pop up menu 3 Inthe Exam View dialog click the Misc Data tab 4 Inthe Misc Data pane right click on the exam and choose View File from the resulting pop up menu 174 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 8 Patient Menu Editing Patient Records To edit patient data 1 Follow the steps described in Selecting a Record on page 170 which makes the selected patient the current patient in the status bar 2 Choose Patient gt Edit Current to open the Patient Edit window which contains the patient data fields and categories described in The Patient Record on page 162 3 Edit the patient data as desired and click OK to accept the changes Printing Patient Information The Print button appears in a number of patient related windows allowing you to print a list of patients information from a patient record or data from a patient exam To print a patient list 1 Choose Patient gt List 2 Click the Print button to produce a hard copy list of all the patients in the database with name code gender age and birthdate To print a patient record 1 Choose Patient gt List right click
98. Montage Figure 9 26 AV2 pane Montage Default Montage Figure 9 27 AV3 pane 202 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 9 Options Menu Selecting a Montage Choose Options gt Montage gt List to select one of the montages from the database using either the mouse or the keyboard e Using the mouse click in the montage name in the list and click OK e Using the keyboard press the arrow keys to scroll through the montage list and select a montage then press the Enter key Right clicking on a selected montage in the montage list opens a pop up menu where you can create view edit or delete a montage from the database Figure 9 28 Montages List E Name Commet Channels n Default Default montage 24 5a Adulti 5a 18 2 Adulti 2a 12 Adulti 1a 18 Bambini 1b 18 2b Bambini 2b 18 Bambini 3b 18 b Bambini 7b 12 4b Bambini 4b 18 Bb Bambini 5b 18 6b Bambini 6b 18 GSN 32 Refresh E v Mew Ins View F3 Edit F4 s Delete Ctrl Del Figure 9 28 Moditying a montage From the pop up menu If you select New you can create a montage based on the default montage If you select View you can only view not edit the selected montage e f you select Edit you can modify the selected montage f you select Delete you can remove the selected montage Neurotravel Win
99. My Network Places Ld ah Notepad 0 Local C1 ag Local Dek D De Local Dk E Control Panel Set Program Access and Defaults Ap es Reader 5 0 gg Printers and Faxes Qm Double click to open A woa Help and Support the program manager pP Search I Run Deyk ims wall Renar abe storage All Programs gt Deus Dell Solution Center P Log Off 9 Turn OFF Computer Figure 1 22 Open the program manager manually 5 Use the supplied USB cable to connect the Neurotravel amplifier to one of the computer s USB ports Figure 1 23 L 0080 us ee on bottom of amp Amp USB cable Amp USB cable Figure 1 23 Amp USB connections 38 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 1 Installing Neurotravel Win 6 Ifthe Found New Hardware Wizard program does not appear go directly to otep 10 If it does appear then in the Found New Hardware Wizard window choose the automatic installation option Figure 1 24 If Windows is unable to locate the driver specify the location D Neurotravel Eeg_for_Windows Driver Ntvldev inf Found New Hardware Wizard Welcome to the Found New Hardware Wizard This wizard helps you install software for NEURO TRAVEL Before ReNumeration loader 4D00 If your hardware came with an installation CD lt 6 or floppy disk insert it now What do you want the wizard to do Install the software
100. Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 Figure 5 21 Notch filter off left and on right To view the notch filter setting choose Options Filter Figure 5 22 For more information about setting the notch filter see Data Acquisition Configuration on page 189 Filter configuration Parameters Match filter frequency 50 or 60 Hz for the notch filter 50Hz Additional Suppression Figure 5 22 Select 50 or 60 Hz notch filter in the Filter Configuration window 105 5 Review and Processing Filter Selector Values Above the notch checkbox is a group of selectors for specifying values for filter sensitivity highpass filters and lowpass filters for reviewing an EEG Lowpass pev mmn rh IP Hz F0 l session Figure 5 23 Bandpass _ The filter sensitivity selector opens a predefined list Notch F of values you cannot define your own value by typing it into the text box The lowpass and Figure 5 23 Filter selectors highpass filter selectors open predefined lists but these text boxes can also accept user defined values Global Values The filter selectors allow you to apply global values which means that they apply to all channels unless otherwise specified You can apply specific values to individual channels which override the global values for those channels In other words global val
101. P Console RAR hel Uninstall WinRAR File and Folder Tasks Shortcut j MC Shortcut 1 KB 1 KB 29 Make a new Folder A Publish this folder to the WinRAR 95 WinRAR help Web Shortcut Shortcut Share this Folder a 1 KB 1 KB WinRAR Shortcut Other Places A T7 B 9 Programs L3 My Documents Shared Documents My Computer My Network Places Neurotravel Win Technical Manual E Figure 11 2 Installing WRAR203 default settings circled S MAN 200 WINC 001 e March 31 2005 231 11 Data and Disk Management _ 3 Inthe Utility folder see Figure 11 1 double click on the DBSave icon which EN opens DBSave window Figure 11 3 e KB ex CXWINDOWS system32 cmd exe ECHO is off ELECTRICAL GEODESICS INC ATES MEDICA Device Srl 1666 Millrace Drive Suite 387 Viale del Lavoro 28 Oregon 9 7403 33102 Colognola ai Colli Verona Italy www egi com wuw atesdevice it LIII I IX IX rrr rx rrr ATTENTION OO OO OOO OR ROC USE THIS UTILITY ONLY FOR BACKUP DON T USE IT IF YOU HAVE PROBLEMS IN THE DATA BASE AND CLOSE THIS WINDOW tae Press any key to continue Figure 11 3 DBSave window 4 As instructed in the window press any key on the keyboard to initiate the saving process Figure 11 4 when finished the window automatically closes cx C WINDOWS system32 cmd exe DON T USE IF YOU HAVE PROBLEMS IN THE DATA BASE AND CLOSE THIS WINDOW HEEE EEEIEE EEEIEE EEE
102. Restore Restore button Default OK Cancel Returns to 4 Bands settings Figure 9 32 Frequency Bands window with dimmed bottom section 2 change a band frequency click the edge of a band and drag The minimum band frequency is 0 5 Hz with a maximum of 32 active bands The maximum band frequency is 30 Hz 3 Fill in the Frequency range and Restriction fields 206 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 9 Options Menu 4 Fillin the Name and Comment fields ensuring that you select an unused name 5 Once you have configured the setup parameters as desired click OK to save the interval to the database Or if the parameters are unsatisfactory Click Restore to revert the setup to its original configuration Click Default to change to the default configuration Click Cancel to dismiss the changes Selecting a Frequency Band Interval Choose Options gt Frequency Bands gt List to view a list of intervals in the database You can select an interval from the list using the mouse or the keyboard e Using the mouse left click to select the frequency band interval from the list and click OK to choose it e Using the keyboard press the arrow keys to scroll through the list and select a frequency band interval press the Enter key to choose it Right clicking opens a pop up menu where you create view edit or delete the selected frequency band interval Figure 9 33 F
103. Sentinel SuperPro Medic File View Tools Help B Click to start iN Sentinel System Driver Information the sea rch Version 5 39 2 Unknown System Driver A Click to open a pop up Server or Mode menu of search options STANDALONE Medic Says Hard limit of first key found Status Description 10 Sentinel Super P Figure 1 34 Sentinel SuperPro Medic interface Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 45 1 Installing Neurotravel Win Stand alone Searches the local system for all SuperPro keys attached to the local system driver Local Searches the local system for all SuperPro keys attached to the locally running SuperPro server Network Searches the entire viewable subnetwork and report on the number of SuperPro keys found Computer on a network Searches for SuperPro keys plugged into a specific computer on the network when you type an IP address or computer name in the text box 6 After specifying the type of search click the Find SuperPro button see Figure 1 34 a results dialog appears Figure 1 35 Sentinel SuperPro Medic fx 1 Found 1 SuperPro OK Figure 1 35 SuperPro search results 7 Totest any keys found by the search click the Medic Says button which produces a brief text message explaining the test results Figure 1 36 left Choose Tools Display Session Info to create a Notepad text file summarizing the test
104. Technical Manual S MAN 200 WINC 001 March 31 2005 209 9 Options Menu Once you select a montage it becomes the current one and its label appears in the montage status bar in the bottom right of the window Figure 9 29 i Haurotraval 0700 Smith Lincoln Devon n 1 1712 2009 9 21 14 AM 00 03 01 TEE vi ie ii at E 1g du anes PO SEP are fl LR UM H MM c i MV a oN mg Mortage GSH3ZAR GSM ane Montage status bar displays the current montage Figure 9 29 The current montage Frequency Bands Command The eighth command in the Options 204 z Options Windows Help menu is Frequency Bands which Display Print enables you to define frequency Fiters intervals for spectral maps Record time Event Montage to Choose Options gt Frequency Bands New EP Schemes List to open the frequency bands pop up menu Figure 9 30 Use the frequency bands pop up menu to create select edit or delete frequency intervals on which to base your spectral maps Photostimulator gt Edit current Hot Kevs System Users System System Info Figure 9 30 Frequency bands pop up menu Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 9 Options Menu Name Number of bands Frequency range The bars indicate the bands
105. age 189 The acquisition mode allows you to check electrode performance and to regulate filter sensitivity before clicking the Record toggle see Record Toggle and Exam Recording on page 88 Some buttons and menu commands are dimmed when Neurotravel Win is acquiring data such as Options gt Events To make these buttons and commands available again stop data acquisition by clicking the Acquisition toggle 74 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 4 Acquisition and Recording Trace Display Settings Near the top of the Acquisition control panel are selectors for the trace display settings mms 30 l Figure 4 5 The software displays the traces MN Grid from right to left The trace display buttons ts horizontal enable you to control the scrolling speed of the trace and the use of vertical and horizontal guidelines Figure 4 5 Trace display settings Use the top control to specify the speed of the traces displayed onscreen and printed on paper if an optional real time printer is connected If the screen speed is linked to the real time printer s speed and that printer is turned on any changes to the onscreen speed will automatically affect the paper scrolling speed Below the speed control are checkboxes for showing or hiding the guides in the trace area during scrolling The Grid box refers to vertical guides and the Axis box refe
106. air The channel pair spectrum window appears with a graph showing an enlarged image of the channel pair spectrum The enlarged view also provides additional information such as amplitude and energy The enlarged coherence spectrum window provides nearly the same information as the channel spectrum window see Analysis Information on page 141 for descriptions of the window controls The lone exception is that instead of the channel band information provided in the individual spectrum window the channel spectrum window offers three buttons that allow you to specify what estimator to graph Figure 6 35 Channel 7 amp 8 Channel 8 Maximum 2 nd Peak Mouse _ 248 6 9 127 MHz 0 90 0 88 0 33 qme 4 E Graph of the estimator of Abs value of Coherence function Abs value of cross spectrum density 0 4 of cross sp density and 2 sp densities e M Current graph 7 Channel 7 amp 8 Channel 8 Export of tables with values M E Curent graph All graphs OK Parameters Smoothed C Autoregression Defaults window 4 AB order ie ep 300 e MM Rn 150 Sec E Keep parameters on exit Print Close Figure 6 35 Close up view of coherence spectra analysis The estimator choices are e absolute value of coherence function the mathematical function that compares two signals e absolute value of cross spectrum dens
107. alling Neurotravel Win 6 Again choose the automatic installation option and follow the installation instructions 7 Ifthe Hardware Warning dialog appears again click the Continue Anyway button and complete the automatic installation sequence 8 Insert the hardware key into one of the available USB ports on your computer 9 After it recognizes the hardware key Windows displays two identification messages in sequence Figure 1 18 12 Found New Hardware x Found New Hardware x USB Token Your new hardware is installed and ready to use Figure 1 18 Found New Hardware messages Installing the Neurotravel Software Note Ensure that no amplifiers are connected before installing Neurotravel Win To install the Neurotravel software properly on your PC hard disk 1 Click Neurotravel Install in the program manager Figure 1 19 Ges installer Welcome Please choose an option d Neurotravel Install Operator s Manual Browse our Web Site Acrobat Reader Key Drivers Install Important Notes Sentinel Medic Install Figure 1 19 Program manager Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 35 1 Installing Neurotravel Win 36 2 Administrator e a Internet Internet Explorer E mail Outlook Express Neurotravel Paint Motepad Br Eeg Acrobat Reader 5 0 WordPad All Programs D P Log Off 9 Turn Off Computer If the manager is not sti
108. archived Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 171 8 Patient Menu Query Pane The Query pane allows you to search for an exam by date Fill in the Exam from and to text boxes and click the Search button Figure 8 13 Current Patient Exam List Exams List Query Pi Enter information For query Click an the Search button when ready Exams fram Search Clear all Open New window Print Close Figure 8 13 Query pane Exam Reports From the Current Patient Exam List window you can select a specific exam view additional information about the exam or create and print an exam report 1 In the Current Patient Exam List window click on an exam to select it 2 Right click and choose View Exam Info from the resulting pop up menu this opens a window containing select exam information The information is grouped by tabs information personnel history annotation interpretation and miscellaneous data Figure 8 14 Info general vital statistics of the patient including weight height blood pressure maximum and minimum medications and other notes Personnel patient s physician and technician who recorded the exam History text box for entering information about the patient s medical history Annotation notes related to the exam Interpretation exam interpretation 172 Neurotravel Win Technical Manual S MAN 200 WINC 001
109. ase e Delete Signal Portion permanently removes selected data from a trace area Word Template initiates the generation of an exam report Options Menu This menu contains commands related to establishing various global settings e Display allows you to define how the data are displayed for example color coding e Print enables you to specify what information to include in the printouts e Filters allows you to specify the value for the notch filter e Acquisition enables you to specify whether all or selected channel data are recorded and to set the sampling rate and calibration voltage e Record Time allows you to set a maximum recording duration e Event opens a menu that allows you to create choose or edit an event set e Montage opens a menu that allows you to create choose or edit a montage Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 6 3 Neurotravel Win Interface Basics e Frequency Bands opens a menu that allows you to create choose or edit a set of frequency bands e EP Schemes unavailable Photostimulator allows you to create choose or edit a photostimulator protocol e Hot Keys allows you to create keyboard shortcuts e System Users enables a system administrator to add delete or edit user privileges e System allows you to set up system defaults such as automatic print preview and export and import options e System Info shows the number of patients and exams
110. ch 31 2005 223 10 VideoEEG Kit Option Caution Do not unplug any of the video system cables while Neurotravel is A acquiring data Doing so will cause the system to stop To synchronize video with EEG the sequence of operations is video acquisition and record 1 If necessary open the Acquisition window 2 Choose Patient gt List and select the correct patient s name if he or she is a new patient choose Patient gt New and create a patient record 3 When the correct name is displayed in the patient status bar click the VideoEEG button in the Acquisition control panel to open the video screen window 4 Inthe video screen window adjust the video parameters for example contrast brightness and ensure that the patient is visible in the frame 5 Drag the video screen window to a corner of the Acquisition window 6 Click the Acquisition toggle in the Acquisition control panel to acquire EEG signals 7 Click the Record toggle in the Acquisition control panel to record simultaneously the EEG signals and the video data 8 Click the Save button when the recording is finished to save to disk both the EEG and its synchronized video Caution You must initiate acquisition with VideoEEG to synchronize video with EEG You cannot add the video synchronization function after clicking the Record toggle 224 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 10 VideoEEG Kit Option Navigating th
111. contains all the necessary controls to scroll backward and forward turn pages and move quickly from top to bottom Moreover the Review control panel allows you to search for events inserted during the recording mode and to zoom in on details of interest This chapter describes the three review options Review control panel event table section zoom feature Measurements palette and Review Print button as well as how to save selections of data For a brief list of review procedures see Example EEG Viewing Archiving on page 240 S Neurotravel 13 Lee Leila Wong N 1 5 12 2004 1 43 43 PM 00 01 01 EEG Patient View Operations Options Windows Help x ee ERRER 000020 DU pz 000024 E42 ee idddd dd dau RR RR RR t 3 boo we 2355 5 4 o ewe es aw 9 d We a wi 19 we CU D xL ou cx 1p oUE o gt nb X cA 4 qe 0 ORC S gx cx XR ARES NE DNE SE _ VO EXECUTING JUNE NEM ONE aca EE ceu ncm ta iac mdr LEER eT CER NEA is MEME DEDE C LEE NOE ee CGU uo o D o qo ox CO CAU LES a c ue db
112. controls in the Parameters pane e Grid width Determines the width 15 or 30 millimeters of a visible vertical background grid shown during trace display e Horizontal grid Displays or hides horizontal lines in correspondence to the trace zero Truncating displayed signal Prevents or allows overlapping signals during data display e Scrolling mode or oscillograph During acquisition displays the signals in a continuous scroll or in an oscillograph style e Ruler Displays a vertical ruler e HP filter Provides the display and print values of the highpass filter frequency in Hertz or seconds e Montage Allows you to visualize in review mode the data using the current review montage or another montage e Auto scroll During review mode scrolls the data in a continuous motion or turns them as pages Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 181 9 Options Menu EEG Pane Figure 9 3 shows the EEG pane Display configuration Parameters EEG Markers Resolution Maps Graphs Color Schemes Bright Default Standard Elements fisehillacrsal gt Cursors Background Bright Amplitude Gnd Hor axis Amplitude ia Makers of stimuls Marked EEG Video different color 0 10 Dotted browse button Default Cancel Apply Figure 9 3 EEG pane The EEG pane contains controls for color coding elements in
113. correct and the correct files have been archived erase the data in the archive disk partition to prepare for the next archiving session Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 157 7 Function Tools 9 Before generating the next archiving disk choose Options gt System to open the System Configuration dialog and verify that the E section is the archive disk partition the system will automatically number the next archive disk sequentially Figure 7 10 Disk number 2 Disk Label Disk Capacity 19585104 KB 51350 KB Exams ta Archive Figure 7 10 Information window for the second disk of archived exams 10 Keep all storage media in the proper environment and name them according to the archive disk labels assigned by Neurotravel Exam Deletion The Delete Exam function erases exams that are saved to the acquisition disk but have not yet been transferred to the archive disk partition Archived exams cannot be deleted or edited There are two ways to delete exams from within an exam or from the Exams List With the former you can delete only one exam at a time the latter enables you to delete a selection of exams 158 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 7 Function Tools To delete a current exam 1 Open the exam so that it is the current exam displayed in the trace area 22 Delete current exam 2 Choose Operations gt
114. d Processing Ell 3 Use the analysis controls to apply the automatic calculation tools as follows Marked To only the highlighted interval Click the marked intervals button intervals Figure 5 42 If more than one interval is highlighted applying the visualization tool produces a normalized result for the selected intervals the area visible onscreen Click the visible area button Visible area To the entire exam Click the all button E You can cycle through the buttons viewing the different maps or spectra when All applied to the various intervals marked visible all 4 The length button automatically displays the time duration of the interval chosen for analysis marked visible or all areas See Chapter 6 for descriptions of the automatic calculation tools fs Neurotravel 0200 Smith Lincoln Devon N 7 1 12 2005 9 21 14 AM 00 03 02 e EEG Patient View Operations Options Asse Rn perre peros jense E egredere enn IET ju h f yt Hx A Mi m M ji iit up ili MI UTD M B S a age GSN324R GSN 32 Channel amp veragq Ref 280 2 E x 26 27 BM PAN v y id ue ES P a mme n ee a IR A lt 2 o e a ay 1 Select interval 2 Apply an automatic 3 Click the marked calcu
115. d Processing VideoEEG Button To the right of the automatic calculation controls is a camera button Figure 5 28 that provides access to the optional VideoEEG feature For more information see Chapter 10 VideoEEG Kit Option Figure 5 28 VideoEEG button Measurements Button To the right of the automatic calculation controls is a T square button Figure 5 29 that opens the Measurements palette for calculating the time and space of selected portions of a trace For more information see Figure 5 29 Measurements button Measuring Trace Portions on page 112 Amplitude Mapping Button To the right of the automatic calculation controls is a wavy button Figure 5 30 that provides access to the amplitude mapping feature Amplitude mapping is actually an automatic calculation feature as well but it Figure 5 30 Amplitude differs from the other three spectral brain mapping button maps channel spectrum and coherence spectra in that it can be used only during the review mode For more information see Amplitude Mapping on page 123 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 109 5 Review and Processing Data Processing In review mode typical operations include modifying events zooming in on details measuring trace portions saving data selections and marking epochs Modifying Events To open the Event List which i
116. d in for an immediate EEG exam You can enter the patient data later while the patient is taken to the appropriate treatment room This chapter describes the features for acquiring recording and saving exams For a brief list of acquisition procedures see Neurotravel Win Recording and Example EEG Acquisition Recording on page 239 For information about the disk see Acquisition Disk on page 227 Acquisition Control Panel Figure 4 2 shows the Acquisition control panel in its default vertical position You can also display the panel horizontally by choosing Options System View and selecting the Horizontal Control Panel checkbox However the horizontal version contains fewer controls than the vertical version see System Configuration Window on page 215 The Acquisition control panel contains all the commands needed to acquire and record exams These include buttons to start and stop acquisition and to access the exam and patient databases Other buttons control the filters amplifier signals event table photostimulator and various functions Each is briefly described in this chapter Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 4 Acquisition and Recording Save _ BP Print Review Database buttons Montage buttons Notice that during acquisition various buttons are dimmed These include the Save Print Review and visualization button
117. e 9 9 Filter Configuration window The Filter Configuration window allows you to attenuate the noise coming from local power supply lines Choose 50 Hz or 60 Hz depending on your country s main power frequency In Europe 50 Hz is the main power supply frequency in North America and other countries the frequency is 60 Hz Japan is mixed some regions use 50 Hz others use 60 Hz You apply the filter to an exam by selecting the Notch checkbox in the Acquisition and Review control panels Selecting the Additional Suppression checkbox causes the notch filter to behave like a high range lowpass filter 188 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 9 Options Menu Figure 9 10 shows an example of the effect of a notch filter without top line and with bottom line additional suppression applied Notch vs Notch Additional Suppression Frequency Response Without additional suppression bx co Magnitude c c3 With additional suppression 0 10 20 30 40 50 60 Frequency Hz Figure 9 10 Additional suppression off top line or on bottom line In an evoked potential study no additional suppression is necessary Data Acquisition Configuration The fourth command in the Options menu is Acquisition which enables you to specify the data acquisition parameters Choose Options gt Acquisition to open the Data Acquisition Configuration window The Data Acquisition Configuration
118. e Neurotravel icon on the Desktop which opens the Login dialog mid User Name sysadm 2 Inthe Login dialog set the User Name to Paswod p sysadm Figure 1 28 leave the Password textbox empty and click the Login button You can create user accounts later see System Users Window on page 213 Figure 1 28 Login dialog 3 If your computer displays the Device Not Ready warning check that the USB cable is properly connected between the amplifier and the computer see Figure 1 23 on page 38 Also check that the amplifier drivers are properly installed click the Device Manager button in the Hardware pane of the System Properties dialog see Figure 1 10 on page 29 and ensure that the device is recognized and that the drivers are installed and enabled If your computer displays no warning the Acquisition window automatically appears Figure 1 29 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 Al 1 Installing Neurotravel Win 1 Neurotravel New exam e EEG Patient View Operations Options Windows Help EE ERES Lone Ch tas Shiota HAO Sans SIR ORA AED COQUE IS eve anne BEER ERES PEGE hes 22122 223 82332 E2335 Page etek 851 I DUTT BEER DERE C152 2212 22510 B 222 E2235 255 E52 251 I EEE EIS PEEL ELE IPIS iii 50188 2515 25010 e MI 0522 20 211 bom BB o
119. e vertical scale has two options fixed used for comparing each channel with a given value typically less than 80 uV Hz maximum of all spectrums used for discovering which channel has the highest spectral peak and rescales the graph based on this peak Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 140 6 Automatic Calculations 4 Choose a spectrum density estimator smoothed periodogram this nonparametric estimator which employs discrete Fourier transformation of the time series is the more common choice and is used mainly in spectral analysis systems autoregression this parametric estimator which uses a mathematical model that predicts the next variable based on the previous variable tends to be more precise because it focuses on a portion of the signal for example sharp peaks rather than the spectrum 5 Click OK when the parameter values are satisfactory or click the Default button for the standard setup Analysis Information For a closer view of a specific graph click in the spectrum window next to the channel The individual channel spectrum window appears with a graph showing an enlarged image of the channel spectrum This enlarged view extends the analysis interval to 64 Hz and provides additional information such as amplitude and energy To print the graph with all the spectral data click the Print button Figure 6 24 9 Channel 9 Ed Masimum 2 nd Peak Mouse
120. ectrical Geodesics Inc Options v Print preview V Show configuration dialog before data printing v Demo mode Figure 9 42 Common pane e Report Allows you to choose the external editor option template for the data Figure 9 43 System configuration Common Report Esport Import View v Use External Editor Template Figure 9 43 Report pane Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 215 9 Options Menu Export Import Allows you to specify the file paths of data exported from or imported into the database Figure 9 44 System configuration x Common Report Export Import View Path for Export Files Path for Import Files D Figure 9 44 Export Import pane e View Allows you to set whether the control panel is displayed vertically the default or horizontally and whether the patient and montage status bars are displayed Figure 9 45 System configuration x Common Report Export lmport View ponitnr v Status Bar DK Cancel Figure 9 45 View pane When displayed horizontally the control panels for acquisition and review contain fewer controls than their vertical versions Figure 9 46 216 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 9 Options Menu B wv Tab Default Lope eomm ouis p Protecct name A TO DENEN ESEZIESIS
121. ee progran wall on pour comprutist he heat re a al Ar eerie before running this Sehup program lc scd s qual Shu acd Her chaia n hare Dck eel to continues vath the Setup program WARNING Thee pigar rk by copyn rer oad mierina Ie ral eect De Loris pal Ehe incolis new and pioemgily nelum i ertre package la ATES MEDICA Sil ot crar recedes bor a peared of thin pogam or ang Uneuthorized reproduction or ditibulion portion pd it may result in severe eral and criminal penales and wall be persecuted In Heer mearum tabeni Lander law Da yeu accapt all the Mmi of the preceding License Agreement ll vou chama Setup Heurotiel pou matt accepi hr agreement zm c Black Window 2 Utar Information Choose Destination oration pour bakea musi adio Hypes Bes rurea col Hem Setup iili Hanoi eed ari the Lor dido 7 Ik tow Tantali t thee dir cta click Hait a dilereni directory ckek Browse and select another Vou Gan ebore not to malal Neurctarvel by clching Cancel to Seba Window 3 Select Program Folder Start Copying Files wall add poga morc bo Bee Progeam Folder beled bokya Setup has enough information to start copying dhe peogram Seer Scape ER RE see tise bem PEE M your evant ip eeview change any pellings tick Beck Ifyou
122. eges to do this 1 Open the Start menu and choose Control Panel Figure 1 8 Administrator Internet My Documents Internet Explorer 2 My Recent Documents gt E mail Outlook Express 5 e My Pictures Neurotravel 7 My Music ws My Computer Paint My Network Places Notepad E Control Panel Acrobat Reader 5 0 Program Access and Defaults y 4 A WordPad ka Printers and Faxes Q9 Help and Support Search I Run All Programs D Deu Dell Solution Center 2 Log Off o Turn OFF Computer Figure 1 8 Opening the Windows control panel 28 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 1 Installing Neurotravel Win 2 Inthe Windows control panel window double click on the System icon to open the System Properties window Figure 1 9 amp Control Panel File Edit view Favorites Tools Help l 27 2 Search E Folders 1 Address Control Panel Ww E Accessibility Add Hardware Add or Administrative BDE Date and Time Display Je Switch to Category View Options Tools Administrator See Also iB a Folder Options Fonts Game Intel R Internet Keyboard Q Windows Update Controllers Extre Options Help and Support ey Network Phone and Power Options Printers and Regionaland Scanners and Scheduled D OU b e cl ick to Connections Modem axe Langua
123. eir impedance measurements indicated by color cool colors such as blue represent low impedances and hot colors such as red indicate high impedances Gray symbolizes impedances greater than 100 Test electrodes Test Parameters Impedance values Print button Test button Close button Figure 4 19 Test pane of the Test Electrodes window When you measure the electrode impedances during an EEG exam the recording stops and resumes when you close the Test Electrodes window Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 81 4 Acquisition and Recording 82 Regarding the other buttons in the Test Electrodes window e Click the Print button to print the window e Click the Test button to measure the impedances again e Click the Close button to dismiss the window To change the measurement values click the Parameters tab in the Test Electrodes window Two preset color schemes are offered Default and EGI Net Figure 4 20 You can also enter numeric values in the text boxes in the Levels section of the pane to create a new color scheme Test electrodes Test Parameters Schemes Choose x Net if using a GSN Define measurement values Print Test Close Figure 4 20 Parameters pane of the Test Electrodes window The values for the preset color schemes are e Default blue lt 5k green lt 10k yellow lt 20k and red gt 20k EGI Net blue lt 5k green l
124. els of the electrodes on the maps by clicking the Points and Labels checkboxes in the Show electrodes section 3 Determine the interpolation setup by choosing the algorithm that interpolates the color on the maps kernel estimator a value that defines a statistical algorithm for interpolation that centers a kernel function at each datapoint and smooths out the contribution of each observed datapoint over a local neighborhood nearest neighbor a value that defines a simple mathematical algorithm for interpolation that assumes that the density at any datapoint is inversely proportional to the distance to the kth nearest datapoint 4 Click OK when the parameter values are satisfactory or click the Default button for the standard setup Amplitude Table The amplitude table provides amplitude measurements of the two timepoints for each channel in numerical form in addition it displays the time between the two intervals in milliseconds and their relative reciprocal frequency in Hertz Figure 6 10 Digi en Sys T ua timepoint for channel 1 6 rst o i ITA A E ZEE ab eA D z Kar bed aT REY dnd 13 24 Analyze Difference in amplitude between the first and second timepoints 817 380 437 Curent Interval Amplitude of second TE na fimepoint for channel 16 8 quy r i A Acqui
125. energy uV 133 Event command 194 event table 195 Current Patient Exam List window 170 exam reports 172 Exams List pane 171 uery pane 172 event timer settings 195 current patient review 94 Event Comment dialog 86 Event List window 110 D Event Table dialog 84 event table section 83 DAC Dell Dimension 8400 PC 23 Data Acquisition Configuration window 189 event table selecting of 85 events Acquired Electrodes pane 190 adding 110 Parameters pane 190 deleting 111 Data Archive command 153 modifying 110 Data Export command 152 DATA folder 26 event search buttons 102 event timer settings 85 244 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 Neurotravel Win Technical Manual exam reports 172 creating 173 viewing 174 Exams List pane 95 Exams Query pane 96 Export Import pane 216 F Filter Configuration window 188 filter controls Acquisition control panel 76 Review control panel 104 filter values Acquisition control panel 77 106 Found New Hardware Wizard program 47 204 205 Review control panel Frequency Bands command creating a new interval G global values 78 grids 181 H hard disk review 97 hardware key definitionof 31 hardware key serial numberof 31 Hardware pane 29 hardware key drivers installing 31 uninstalling 23 Help menu 62 Hot Keys command 212 S MAN 200 WINC 001 March 31 2005 impedance button 81 installation config
126. ent related information Note You can perform some of these functions using the database buttons in the control panels described in Chapters 4 and 5 When you select a patient in the Patient List open by choosing Patient gt List and click OK his or her name appears in the patient status bar in the bottom left of the review window Figure 8 1 gp heurotrawel T fBiann tana dies 754 2065 23520 PM 00000 fc Patient menu NY A S Tw VARNA ANTS 1 pem gosse N RAN ANA aN NRI QE ANS ANM Ap Wenn AAAI inal fen AA IN SPP SPA KI oed UA per Are Ps J e Arm Pus rna ANA MAN w VUL AM 4 MA ANM Al MV SEM PALA OA ABARCA Dold pos es SV Y n LAPSI Cr Un e NAM RAP tae beh hey Ahn Ex memi pem md jJ pou peel ed EM mami Izu ui 8j peepee pem rone Ere _2 EE aj 3 Emi EN sj 1 3 n j o Ewa 2 YA we aw Nn Dem Ar rs MV er PANI TAY ANI ny HP He Notch aay mC his H HN ppc Tab Desa POY erdt Le Neq MATIN Tie Maui VAM TRO i Manette Sow 0 fat eae UM T W Pula aks p JELE du Mo mj EN Hs my mem 3 MIAH Pe b AAA M ANIM DENN 1 Hariman ue Montage GINT D5N32 average on Patient status bar Figure
127. erally sufficient Samples per second enables you to indicate the EEG sampling rate Film time calculates the maximum available time for recording or duration based on quality resolution and available hard drive space Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 10 VideoEEG Kit Option The values displayed in Figure 10 4 provide a good compromise between image quality and file size Low quality images occupy less space on the acquisition disk than high quality images but they may prove less useful from a clinical point of view Figure 10 4 Recording quality parameters Quality Kb Frm Ea Frame Frm sec 30 4b 4b 4b 4 4b 4M Durat hours 5 1 Audio quality 1 Low 1 High 2 2 Sam ple cuin Mono Stereo Size estimation Gb 1 399 The video screen window remains open during acquisition and recording but cannot be moved after acquisition begins Therefore before acquiring data position the window so that it offers a good view of the EEG data Acquiring Patient Images Figure 10 5 shows Neurotravel operating in VideoEEG mode Neurotravel Win Technical Manual Ki b amp pEp 8 i SL mama AT SEA zj Mee Emm gh ols oo BRET iHi m Figure 10 5 The video screen window overlaying the EEG trace S MAN 200 WINC 001 Mar
128. es depends on the recording quality The video screen window contains all the parameters that influence quality and consequently file size Figure 10 2 VideoEEG button Note You can use a smaller frame rate to reduce the drive space Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 221 10 VideoEEG Kit Option Click on the VideoEEG button Figure 10 2 in the Acquisition control panel to open the video screen window Figure 10 3 shows the screen controls some of which contain pop up menus opened by clicking the downward arrow buttons none of the controls accept user defined values Brightness W__ Contrast Quality slider Frames per second Duration Recording mode Recording level Samples per second Figure 10 3 Video screen control window Following are brief descriptions of the main controls 222 Brightness and contrast sliders enable you to regulate image contrast and brightness or you can use the video camera controls if supplied Adjustments to brightness and contrast are useful in dark or ambulatory environments Recording mode allows you to indicate whether the auditory recording will be in mono or stereo Quality sliders enables you to specify the quality of the acquired image 50 is generally sufficient Quality level provides a choice between high or low quality Frames per second allows you to specify the resolution of the video 24 is gen
129. es you to view edit or print exams recorded to the hard disk generate reports of the recorded exams archive the exams to other storage media or view or print any archived exam Neurotravel offers three review options e Current patient review Enables you to review recorded and archived exams of the current patient see Selecting a Patient Record on page 169 With this option you can also create reports of the recorded exams e Hard disk review Enables you to review and archive exams that are saved to the hard disk e Archive review Enables you to review exams that are archived on the E drive To initiate the review mode choose one of these commands from the EEG menu Figure 5 1 e Current Patient List Displays all the current patient s ear recorded and archived exams corresponds to the Sae current patient review Pint Print Preview e List Displays all recorded exams of all patients hus corresponds to the hard disk review E Figure 5 1 EEG e Archive List Displays all archived exams on the E drive of all patients corresponds to the archive review Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 91 5 Review and Processing 92 In review mode the Review control panel is displayed at the far right Figure 5 2 or at the top of the window An exam recorded by Neurotravel Win can be displayed as a standard EEG recording trace The Review control panel
130. esting is important What action do you want Windows to take C h oose Ignore Install the software anyway and don t ask For approval either Warn Warn Prompt me each time to choose an action or Ignore Block Never install unsigned driver software Ma ke th is Administrator option action the Make this action the system default default Figure 1 11 Driver Signing Options dialog 5 Inthe What action do you want Windows to take section choose either Warn or Ignore Warn Prompts you each time Windows detects software that has not passed Windows Logo testing Ignore Installs the software automatically 6 Inthe Administrator option section select the Make this action the system default checkbox and click the OK button 7 Click the Close X button in the top right corner of the window when finished Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 1 Installing Neurotravel Win Installing the Hardware Key Drivers A hardware key is provided with the Neurotravel installation CD This key sometimes called a dongle is a security device that contains passwords and codes for accessing licensed software such as Neurotravel Win The serial numbers on the key and the Neurotravel installation CD must match see Figure 1 12 for the locations of these numbers This ensures that only licensed owners can use all of the application s features
131. ext and type the new information Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 67 3 Neurotravel Win Interface Basics Option Buttons Option buttons are groups of items that exclude one another selecting one option automatically excludes the others for example you can choose only one value from the four available for setting the voltage of the calibration signal in the Data Acquisition Configuration window in the Options menu To select an option button e Mouse Click the desired item e Keyboard Press the Tab key to move to the group of options To select the desired item press an arrow key to navigate to it and press the Space bar to choose it Checkboxes Checkboxes are a list of possible options that you can turn on or off Unlike with option buttons you can select all the necessary boxes at the same time A selected checkbox is marked with the symbol To select a checkbox e Mouse Click the desired item e Keyboard Press the Tab key to move to the desired box and press the Space bar to choose it Scroll Bars Scroll bars are boxes placed within the right and bottom frames of the window They are designed to allow you to navigate through a file either quickly or incrementally You can access these elements only with the mouse e To navigate through a file quickly drag the scroll bar until you reach the desired location e To navigate through a file incrementally click
132. f this button is selected and the Acquisition toggle is clicked the real EEG signal will be displayed This button is selected by default typically the only time you need to click this button is after applying either the calibration signal or the interrupt signal INS described next e Interrupt signal INS This button interrupts the connection between the electrodes and the amplifier without stopping data acquisition thus grounding every channel Use this button to bring the filters to zero or to stop the signal display Figure 4 17 It is a toggle allowing you to stop and resume signal display easily Click the INS button to interrupt the EEG signal The signal is interrupted here Figure 4 17 Interrupting the signal 80 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 4 Acquisition and Recording Impedance Button To the left of the signal buttons is the impedance button Figure 4 18 which is designed to measure the impedance of Q the electrodes before and during EEG recording The Figure 4 18 impedance measurement feature allows you to confirm that Impedance the electrodes are making good contact with the scalp the button numerical values are not saved to the file because they are not used in analysis Click the impedance button to open the Test Electrodes window which consists of the Test and Parameters panes The Test pane Figure 4 19 displays all the electrodes with th
133. figuration window consists of six tabbed panes most pertaining to color coding Parameters Sets display parameters that apply to both acquisition and review EEG Color codes elements such as signal marked EEG markers acquisition grid and amplitude markers Markers Color codes elements such as photostimulator marks events and recording breaks Resolution Specifies the display resolution Maps Color codes distribution maps and scales Graphs Color codes bands such as delta theta alpha and beta The Display Configuration settings remain in effect for subsequent exams unless changed Each of the six panes is described in the following paragraphs Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 9 Options Menu Parameters Pane Figure 9 2 shows the Parameters pane Display configuration EEG signal general 7 r Grd Speed 30 mm sec w Standard grid Truncate signal with high amplitude Horizontal axis EEG signal acquisition E Grid width fe 5 Ili nn crating Use Direct Draw 30mm f Dsellegraph stand scrolling t 15mm M Ruler HP filter in Montage m Auto scroll of Hz f Curent Scrolling jw Vertical Sec 6 As record Pagewize Default Cancel Apply Figure 9 2 Display Configuration window Following are brief descriptions of the
134. for acquiring and recording EEG data 1 Check that the event table contains the correct events for the session If you have no modifications from the last session Neurotravel will automatically call up the last table used 2 If you anticipate requiring a different events table choose Options gt Events gt List and select the correct table You may need to create a new event table by choosing the New item 3 Check that the automatic photostimulation program is correct If you have no modifications from the last session Neurotravel will automatically call up the last program used 4 If you anticipate requiring an automatic photostimulation program choose Options gt Photostimulator gt List and select the correct program You may need to create a new program by choosing the New item Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 239 A Application Examples 5 Inthe exam window provide the following information Patient Channel setup Event table optional Automatic photostimulation program optional 6 Check that the montage and acquired electrodes are correct 7 Click the Acquisition toggle in the control panel to initiate data acquisition 8 Click the calibration button to display the calibration signal or click the EEG button to display the actual acquisition traces 9 Click the Record toggle to initiate recording of the exam 10 After the session ends you can decide whethe
135. g 30 1 12 Serial numbers on installation CD left and hardware key right 31 1 13 Program manager 32 1 14 Open the program manager manually 32 1 15 Hardware key installation windows with defaults circled 33 1 16 Found New Hardware Wizard 34 1 17 Hardware Warning 34 1 18 Found New Hardware messages 35 1 19 Program manager 35 1 20 Open the program manager manually 36 1 21 Nevrotravel installation steps with defaults circled 37 1 22 Open the program manager manually 38 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 Ix List of Figures chapter 2 chapter 3 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 Amp USB connections 38 Found New Hardware Wizard 39 Hardware Warning 39 Amp readout 40 Data path 40 Login dialog 41 Acquisition window 42 Open the program manager manually 43 Program manager 44 Sentinel Medic installation window 44 Destination for program files 45 Sentinel SuperPro Medic interface 45 SuperPro search results 46 More details about found keys 46 Found New Hardware Wizard 47 Hardware Warning 48 Cabling for a VideoEEG system 48 VideoEEG window 49 Process Overview 2 1 2 2 The linear Neurotravel process 53 Options menu 55 Neurotravel Win Interface Basics 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 Title bar in acquisition top and review bottom mode 58 The six main components of the Neurotrave
136. gate through the different pages zoom in or zoom out or redefine the previous selected settings Figure 5 47 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 121 5 Review and Processing 122 Print buttons Save buttons L J x Navigation buttons Faas f frst page pose 1 Qala back page forward oo last page Viewing buttons zoom out zoom in fit to window and fit to width Print current page and print all pages Print settings opens the Print Parameters window Save current page to file and save all pages to file Figure 5 47 Print preview of the marked intervals not the entire trace 5 Click the print current or print all button to produce a hard copy version of the chart or click the save current or save all button to produce a graphics file of the chart Figure 5 48 iu of Eie rg gg pag Figure 5 48 Save the data as a GIF bitmap or JPEG file Sane at yeu GIF od The current print settings are saved at the end of the print process at end of the work session Print Window Command You can also choose EEG gt Print Window to print the current window onscreen without previewing the printout Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 chapter 6 AUTOMATIC CALCULATIONS Y ou can apply a variety of automatic calculations to the EEG data measure
137. ge Cameras Tasks open the System A 9 ww Properties window SigmaTel Sounds and Speech Taskbar and User Accounts Audio Audio Devices Start Menu Figure 1 9 Windows control panel 3 IntheSystem Properties dialog that appears click the Hardware tab to view the Hardware pane Figure 1 10 System Properties System Restore Automatic Updates Remote General Computer Name Hardware Advanced Device Manager The Device Manager lists all the hardware devices installed on your computer Use the Device Manager to change the properties of any device Device Manager Drivers r Driver Signing lets you make sure that installed drivers are compatible with Windows Windows Update lets you set up how Windows connects to Windows Update for drivers Driver Signing button Hardware Profiles Hardware profiles provide a way for you to set up and store different hardware configurations Hardware Profiles Figure 1 10 Hardware pane of the System Properties dialog Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 29 1 Installing Neurotravel Win 30 4 Inthe Drivers section of the Hardware pane click the Driver Signing button to open the Driver Signing Options dialog Figure 1 11 Driver Signing Options During hardware installation Windows might detect software that has not passed Windows Logo testing to verify its compatibility with Windows Tell me why this t
138. ge 95 and page 96 respectively 98 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 5 Review and Processing Review Control Panel The Review control panel Figure 5 10 contains all the commands needed to review archive and generate a report from an exam These include controls for navigation events zoom filters grids review speed optional features saving automatic calculations and printing Each is briefly described Print Review button EE Montage buttons settings Filters and sensitivity Measurements Automatic Amplitude mapping calculations Je Jj e Vides FFC o Tab Default jal 44 D gt Navigation controls P m sls 0 Fast Analyze Current Interval Analysis Length 0 0 sec Acquisition Mode Acquisition button click to return to acquisition mode Figure 5 10 Review control panel Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 99 5 Review and Processing 100 Figure 5 10 shows the Review control panel in its default vertical position You can also display the panel horizontally by choosing Options gt System gt View and selecting the Horizontal Control Panel checkbox However the horizontal version contains fewer controls than the vertical version for more information see System Configuration Window on page 215 Database Buttons At the top left of the Review cont
139. he control panel contains acquisition controls that are unavailable LP Hz 100 during review see Acquisition Control Panel on page 72 and Review Control 053 Panel on page 99 p jz The control panel consists of buttons value selectors indicators and timers Motch 4 Buttons Two types of buttons are available toggle and ull INS YP 88 gj immediate Figure 3 6 A toggle button makes a Qi ilie INS Tab Default command operative for example run until you click E m Toggle buttons the button again An immediate button opens windows or executes commands that are operative for a short time only Immediate buttons Choose a button by clicking on it with the mouse Figure 3 6 Buttons gi Value Selectors Protocol name Value selectors allow you to choose a value such as a s 100 Fz filter type or a sensitivity from a prearranged list rmm Figure 3 7 70 0 53 H j Ep Choose a value selector using either the mouse or the 00 00 28 keyboard Figure 3 7 Value selectors ar e Mouse Click the disclosure triangle to open the prearranged list and select the desired item e Keyboard Press the Tab key to cycle through the value selectors in the control panel When the cursor is in the desired value selector press an up or down Figure 3 5 Control panel arrow key to cycle through the prearranged
140. igure 5 8 Exams List Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 97 5 Review and Processing Note When an exam 1s recorded with the VideoEEG option it is marked with an asterisk in the Patient Number field when you choose either EEG gt List or EEG gt Archive List For more information about the VideoEEG option see Chapter 10 For information about the Exams List and Query panes see page 95 and page 96 respectively Archive Review This review option enables you to review exams that are archived on the E drive You can only view exam information in this mode no editing is allowed Choose EEG gt Archive List to open the Archive Exams List dialog Figure 5 9 Archive Exams List 1 PaienName Code No Date Andersen Gus Clover s000 3711 Que Esteban Jesus 1 1 25 Lisa Colleen 3 1 23 H Andersen Gus Clover 1 1 2 Andersen Gus Clover Smit Nikki Jessica 1 1 View Exam Info View Patient Info Ctrl I Brownley Calvin Henry Open in New Window Open in New window Print Open Close Figure 5 9 Archive Exams List Note When an exam is recorded with the VideoEEG option it is marked with an asterisk in the Patient Number field when you choose either EEG gt Archive List or EEG List For more information about the VideoEEG option see Chapter 10 For information about the Exams List and Query panes see pa
141. ile or document to the current file Inserting a New Patient Record To insert a new patient record 1 Choose Patient gt New 2 Fill in the patient data fields described on page 162 3 Click OK to accept the new patient record and notice that the new patient is automatically listed in the current patient status bar click Cancel or press the Esc key to cancel the record 4 Click the Print button in the patient record dialog to print the new record 168 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 8 Patient Menu Selecting a Patient Record You can select an existing patient record from the database to view or modify the data display the patient s exam list or review the patient s traces Select the patient record from the Patient List Patient List Choose Patient List to open this list The Patient List window contains three panes Patient List Query and Exams Figure 8 11 Patient List Patients List Query Exams Andersen Gus Clover L Pa enName ode Sex Age HD ARC M 79 2 gt Andersen Gus Clover Brownley Calvin Henry Chiang Timothy Scott E Crenshaw Alison Frances Davis Nick Charles Dubray Y vette Amele Hemandez Abrella Konyn Brooke Rachel Lang Amy Karen Lapchynski Ted Walter Link Lynette Marshall Stephen Paul E Maynard Gregg Marcus of Print button Figure 8 11 Patient Li
142. ilter in the Filter Configuration window 105 5 23 Filter selectors 106 5 24 Channel tile 106 5 25 Channel parameters 107 5 26 Automatic calculation buttons 107 5 27 Analysis controls 108 5 28 VideoEEG button 109 5 29 Measurements button 109 5 30 Amplitude mapping button 109 5 31 JE Event List window 110 5 32 Pop up text under the cursor 110 5 33 pop up menus differ if you click off of left or on right an event marker 111 5 34 Measurements palette 112 5 35 Comparing two measurements 113 5 36 Unmarking selected intervals 114 5 37 Choose to save a data selection 115 5 38 Choose Load Intervals to view the Select Saved Intervals window 115 5 39 Choose an interval in the Select Saved Intervals window and click OK to highlight all instances of it in the trace area 116 5 40 Break mark 117 5 41 Analysis controls 117 5 42 Analyzing the channel spectrum of only a selected interval 118 5 43 Print Review button 119 5 44 Check the print parameters 119 5 45 Print parameter panes 120 5 46 Signal pane 121 5 47 Save the data as a GIF bitmap or JPEG file 122 5 48 Print preview of the marked intervals not the entire trace 122 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 xiii List of Figures chapter 6 Automatic Calculations 6 1 Amplitude mapping button 123 6 2 User selected colors for the amplitude timepoints 124 6 3 Map colors 124 6 4 The amplitude maps table and ma
143. in New Window Figure 5 7 Exams Query pane 96 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 5 Review and Processing For each exam the following information is provided exam number for the patient date and time of the recording exam duration and volume number where the exam is recorded or archived Enter and edit exam information by right clicking on the exam name in the list to open a pop up menu that contains the Edit Exam Info command similar to the menu shown in Figure 5 4 If no exams are found by the search the Exams Query pane is displayed but with no exams listed Hard Disk Review This review option enables you to review and archive exams that are saved to the hard disk You can also create and edit exam information in this mode Choose EEG gt List to open the Exams List dialog which consists of the Exams List and Query panes Figure 5 8 Exams List E Timothy Scot Chiang Timothy Scott Chiang Timothy Scott view Exam Info Ckrl V Chiang Timothy Scott Edit Eam Iro ss _ Chiang Timothy Scott View Patient Info Ctrl I Chiang Timothy Scott Edit Patient Infa 3 Tasha Inu I aha ai Delete Ctrl Del asha Inu Exam Path Tasha Inu zt UE Yasha Inu 12 10 8 2004 1 20 53 PR 00 32 14 Yasha Inu B 10 8 2004 2 57 19 00 23 19 gt Open in New Window Open in New Window Print Open Close F
144. information for a selected exam in the Exams List 155 7 5 Select exams to archive 155 7 6 Information window for the first archiving disk 156 7 7 Successful archive 156 7 8 Archive List 157 7 9 Archive disk label 157 7 10 Information window for the second disk of archived exams 158 7 11 Confirmation dialog 159 7 12 Deleting multiple exams 159 7 13 Query pane 160 7 14 Query results 160 chapter 8 Patient Menu 8 1 Patient status bar 161 8 2 Patient record with six tabs 162 8 3 State pane 163 8 4 Additional Info pane 164 8 5 Notes pane 165 8 6 Exams pane 165 8 7 Open options left and exam path right 166 8 8 Misc Data pane 166 8 9 New miscellaneous information 167 8 10 Attaching a file or document to the current file 168 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 List of Figures 8 11 Patient List 169 8 12 Current Patient Exam List 171 8 13 Query pane 172 8 14 Viewing the current patient s exam 173 8 15 Check the external editor configuration 174 8 16 Template 174 8 17 Deleting a patient record 177 8 18 Opening the Current Patient Exams window 177 8 19 Choosing Delete 178 8 20 Confirming the deletion of the exam 178 chapter 9 Options Menu 9 1 Options menu 179 9 2 Display Configuration window 181 9 3 EEG pane 182 9 4 Markers pane 183 9 5 Resolutions pane 184 9 6 Maps pane 185 9 7 Graphs pane 186 9 8 Print Parameters window Options Font and Printers panes 187 9 9
145. ing spectral brain maps channel spectrum or coherence spectra e Video EEG initiates the display and recording of a video of the patient along with the EEG e Measurements displays the Measurements palette Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 3 Neurotravel Win Interface Basics e Amplitudes applies and displays amplitude maps of the current EEG exam e Event List displays a list of the events and the times they occurred in the exam e Navigator Bar displays the navigation bar e Horizontal Control Panel displays the control panel horizontally e Status Bar displays or hides the patient and montage status bars described on page 64 Operations Menu This menu contains commands related to software operations e Acquisition initiates an acquisition session e Record saves current EEG data to the acquisition disk e Print Thermal prints EEG traces to a real time thermal printer if connected e Test Electrodes measures the electrode impedances e Stimulator initiates photostimulator activity e Auto sets the photostimulator mode to automatic operation e Manual sets the photostimulator mode to manual operation e Data Archive allows you to archive selected exams e Data Export allows you to export EEG data to selected formats e Data Import allows you to import data in selected formats for use with Neurotravel Win e Delete Exam permanently removes an exam from the Neurotravel datab
146. inters and Signal Figure 5 45 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 119 5 Review and Processing Print parameters Print parameters 07 Options pane Print parameters P Print parameters WPRDUCTIONSS avin 3335DPE 2035DPE PCL 00 00 31 5 WPRDUCTIONSS avin 3335DPE 2035DPE PCL Mil d I 00 00 40 0 ww il Printers pane Signal pane Figure 5 45 Print parameter panes 2 Click the Signal tab which shows all the events in the exam if you have marked up the trace with saved intervals the option to print only the marked intervals is active Figure 5 46 120 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 5 Review and Processing Print parameters X LH Vertical marks indicate events in the Region to be printed indicated by the numerical values in the boxes and by the highlighted portion trace area The default is the visible mmz a Print marked intervals area onscreen you can change this by entering different values in the From and To boxes or by dragging the sliders Print marked intervals checkbox is active when an interval is selected in the trace area Printer Cancel Figure 5 46 Signal pane 3 Click OK in the Print Parameters dialog which opens the Print Preview window 4 Click the control keys at the top of the Print Preview window to navi
147. ion Parameters EEG Markers Resolution Maps Graphs Color Schemes Default ul n Background m Grid Dotted browse button allows you to select a sec different color Label Frequency bands oo Default Cancel Apply Figure 9 7 Graphs pane The Graphs pane contains controls for color coding graphs generated from the EEG data You can specify the color for graphic elements representing frequency analysis and frequency bands for example see Channel Spectrum on page 138 and Coherence Spectra on page 146 for more information You can choose from the preset color schemes offered or manually select a color for each element by clicking on the dotted browse button 186 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 9 Options Menu Print Parameters The second command in the Options menu is Print which enables you to specify the print parameters Choose Options gt Print to open the Print Parameters window Figure 9 8 ns Font Printers Options Printers Options Font i M Patient Info C Brief Detailed Fr Courier New E Signal Printer PRDUCTION Savin 9935DPE 2035DPE PCL ry LESSEE j hs Detailed Patient Info i Color Printer PRDUCTION Savin 9935DPE 2035DPE PCL v Weight v Birth date City Font style Height Professio
148. ion of the map You can change the scale by dragging the multicolor spectrum bar the units of sensitivity in mKV are indicated to the left The other maps automatically update if affected by the change 136 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 6 Automatic Calculations Also to the left is a solid color bar that indicates the group weighted value for the current calculation inside the analyzed range This value remains constant Alpha Units of measure for sensitivity jo5 in mKV Spectrum bar for sensitivity it is at 60 mKV in this example you can change the spectrum by dragging the bar Group weighted value for sensitivity it is about 57 mKV in this example you cannot change this value mk 25 Frequency band EEE Ee RR the band you can change by dragging the ends Figure 6 19 Frequency interval and sensitivity scales To print the maps right click in a map window and select Print This Map or Print All Maps from the resulting pop up menu see Figure 6 14 on page 132 The Print Parameters dialog opens see Figure 6 15 on page 132 allowing you to define the printing setup Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 137 6 Automatic Calculations Channel Spectrum The channel spectrum button C A multicolored graph Figure 6 20 in the z i control panel enables you to display a graph of each channel
149. isk on page 228 Note If your system disk is not partitioned into the aforementioned sections please contact EGI Support see Appendix A Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 153 7 Function Tools When archiving exams store the exams in the E section before transferring them to a media support such as an optical disk see Archive Disk on page 228 Archiving Steps Before archiving verify that the data are ready and will be archived to the correct location 1 Choose EEG gt List to open the Exams List select an exam and right click and choose View Exam Info from the resulting pop up menu Figure 7 3 Exams List Exams List Quen _ PatientName Code Mo Date Time Dwat Davis Nick Charles 3000 SENEC Chiang Timothy Scott xum yo Chiang Timothy Scott 2001 1 Chiang Timothy Scot anm y Chiang Timothy Scott 200 Chiang Timothy Scott zal View Patient Info Ctrl Chiana Timothy Scott 2001 TEE Yasha Inu 27 1l ism 27 Delete Ctrl Del Yasha Inu ef Exam Path Yasha Inu ae HT TUE UE TZN IS PE UES Te Yasha Inu 2 12 10 8 2004 1 20 53 00 32 14 Yasha Inu 2 B 10 8 2004 25719PH 002319 View Exam Info Edit Exam Into Open in Mew Window Figure 7 3 View the information for a selected exam in the Exams List 2 Inthe Exam View window verify that the exams you want t
150. ity the difference in spectrum of two signals Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 149 6 Automatic Calculations e absolute value of cross spectrum density and two spectrum densities combines the difference in spectrum of two signals with two other spectrum densities An Even Closer Look To enlarge a portion of the coherence spectra further in the channel pair spectrum window see An Even Closer Look on page 145 150 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 chapter 7 FUNCTION TOOLS T he function tools are designed to help you manage and organize your Neurotravel files once you have acquired and processed the data Neurotravel s function tools include Import Export Data Archive and Session Delete This chapter describes each of the tools and their options For a brief list of acquisition procedures see Example EEG Viewing Archiving on page 240 For information about the archive disk see Archive Disk on page 228 Import and Export The data import and export functions allow Neurotravel Win to interface with different systems Data Import To import data choose Operations Data Import to open a pop up menu of file formats e Neurotravel Manages the importing of files in the Neurotravel format from disk or from an external system e European Data Format EDF Manages the exchange of data between systems according to the EDF or EDF
151. l exam information is displayed Figure 3 2 Title bar in acquisition top and review bottom mode 58 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 3 Neurotravel Win Interface Basics Menu Bar The menu bar which is under the title bar contains the EEG Patient View Operations Options Windows and Help menus Figure 3 3 Note For basic operations the control panel described on page 63 is preferred because it is more accessible than the menu bar However some operations such as exam archiving require the menu bar e EEG Patient View Operations Options Windows Help Figure 3 3 Menu bar Access e Me U Ite mMm S as E View Operations Of T Ctrl F4 Open a menu using either the mouse or the Mete keyboard e Mouse Click on the menu name e Keyboard Press the Alt key to reveal Print Window Printer Setup the underlined letters of the menu names for example E for EEG Press E E the letter for the menu name E to de E ee and commands are underlined open the menu Figure 3 4 when the Alt key is pressed Exit To choose a command from the menu which will cause another window or menu to appear e Continue using either the mouse or the keyboard technique just described that is the Alt key method e Or press an up or down arrow key to navigate to the desired command then press the Enter key Neurotravel Win Technical Manual S MAN 200 WINC 001 Ma
152. l window 58 Menu bar 59 Key letters of the menus and commands are underlined when the Alt key is pressed 59 Control panel in acquisition mode 63 Buttons 63 Value selectors 63 Indicates the current event table 64 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 List of Figures 3 9 Timers 64 3 10 Montage status bar 64 3 11 Patient status bar 64 3 12 Trace area 65 3 13 Sample dialogs 66 3 14 black border around the C4 button indicates it is selected 66 3 15 Pop up menu with Add Event command is available only with a right click 69 chapter 4 Acquisition and Recording 4 1 Control panel in acquisition mode 71 4 2 Acquisition control panel 73 4 3 Database buttons 74 4 4 Acquisition toggle 74 4 5 Trace display settings 75 4 6 Montage buttons 75 4 7 Acquisition montage settings 76 4 8 Notch filter 76 4 9 Select 50 or 60 Hz notch filter in the Filter Configuration window 77 4 10 Filter controls 77 4 11 Notch filter off left and on right 77 4 12 Channel tile 78 4 13 Channel parameters 78 4 14 Signal buttons 79 4 15 The calibration signal 79 4 16 Interrupting the signal 80 4 17 Setting the calibration signal 80 4 18 Impedance button 81 4 19 Test pane of the Test Electrodes window 81 4 20 Parameters pane of the Test Electrodes window 82 4 21 X Event table section 83 4 22 eyes open event inserted in the trace using the EO button in the event table section 83 4 23 Event me
153. lation tool intervals button Figure 5 42 Analyzing the channel spectrum of only a selected interval 118 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 5 Review and Processing Print Review Button The Print Review button Figure 5 43 in the upper right corner of the Review control panel allows you to print the entire exam or marked intervals Printouts are based on the Figure 5 43 Print sensitivity values filters and current speed specified in the Review button Review control panel this information is displayed at the bottom of the printed page The configuration dialog and the print preview should display after you click the Print button To verify choose Options gt System and ensure that the Show System configuration Common Report Export Import View Data Files Path configuration dialog and the Print OC preview checkboxes are selected PTS Figure 5 44 For more information see Print Parameters on page 187 Electrical Geodesics Inc a To print 1 Click the Print Review button in the Figure 5 44 Check the print parameters Review control panel which opens the Print Parameters dialog here is where you specify the printing layout The Print Parameters dialog presents a bar graph of the entire exam and highlights in color the areas to be printed The dialog consists of four panes Options Font Pr
154. ll open open the Start menu and choose My Computer in the resulting My Computer window double click on the GES icon in Drive F Figure 1 20 to open the program manager manually The Release Notes PDF file also automatically opens close or minimize it If you do not have Adobe Acrobat installed click on Acrobat Reader in the program manager My Documents 2 My Recent Documents gt e My Pictures gt WE myc t y Computer My Network Places Control Panel Set Program Access and Defaults ka Printers and Faxes Help and Support Search 1 Run loc Dell Solution Center File View My Compuler System Taska a Vires information 19 Add er prec md Ge Change o setting ing pect this dik GES CD Drive Fie System COPS Free Squares O bytes Total Sire 44 4 Took Haii Od F iru Hj My Computer _ Files Stored on This Computer ER awc oao Engl toca De C Devices well Benny abe storage Double click to open the program manager Figure 1 20 Open the program manager manually 2 Select the installation options as prompted Figure 1 21 The default settings are recommended Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 1 Installing Neurotravel Win Wolcome Software License Allow bo the progres Th
155. ls on page 86 In automatic mode the stimulator performs the photostimulation functions according to a protocol sequence stored in the database This section describes the automatic photostimulator protocols Manual mode Automatic mode On off TER mot pe toggle en bid b Automatic Protocol Defaut fiz 4 Ee Freg Hz 100 s indicator Frequency Duration Frequency Figure 9 34 Photostimulator controls set to manual left and automatic right mode Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 9 Options Menu Creating a New Protocol Choose Options gt Photostimulator gt Protocols gt New to open a window to define a new protocol for managing the photostimulator Figure 9 35 Options Display Print Filters Acquisition Record time Event Montage Frequency Bands EP Schemes rr Fr F Photostimulator Protocols List Hat keys Edit current System Users System System Info Figure 9 35 Photostimulator pop up menu Figure 9 36 shows the new photostimulator protocol window Photostimulator New Defaut Comment Step Time Freq Default mode f Auto Manual Repeat 2 al Freg manual f 2 al Hz Cancel Figure 9 36 Creating a new photostimulator program Neurotravel Win Technical Manual S MAN 200 WINC 00
156. ls window you can Remove an interval from the saved list by selecting it from the list and clicking the Delete button Or view the saved intervals in the trace by selecting it from the list and clicking the OK button which highlights the intervals in the trace Figure 5 39 Select Saved Intervals E amp mith saved 44 wi Lu EE PUN el hl my Mal TAI Ee nomo 3 I t f i pM M VUA Delete OF Cancel ee en ee ee L E ee ED a pror ipm hmg 2349 GYN E Parai om noe Poi Figure 5 39 Choose an interval in the Select Saved Intervals window and click OK to highlight all instances of it in the trace area Deleting Data Sections Saving or deleting intervals as described in the preceding section does not alter the recorded data You can however select data in the trace area and delete them which is described in this section This process does permanently alter the file and is irreversible so exercise caution To delete a data section 1 Highlight the data in the trace area using the Shift drag Alt click Control click or Select Saved Intervals methods just discussed on pages 113 116 2 Choose Operations gt Delete Signal Portion 116 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 5 Review and Processing When you delete data
157. m spectral density uV7 2 absolute spectrum density for every electrode interpolated on the maps average spectral density uV7 2 median spectrum density for every electrode interpolated on the maps Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 133 6 Automatic Calculations 7 If desired select the Coefficient of asymmetry checkbox in the What to map section The coefficient of asymmetry estimates the hemispheric percentage contribution positive or negative Parameters For Ehe group of maps X Parameters Reference Electrode Frequency Bands 4 Bands 4 standard bands Change p Dareds List xj What to map vem Stand i Bandi bands Amplitude Coeff of asymmetry 7 Bard 7 bands 7 15 Bani 15 bres 16 wy Min size of a map 10 Bana 10 bandi in Alpha 10 1 1 1 E 32 Bark T banh BETTE cheer lawet 8 Fa isidi 4 aredd bandt 4 Map scales Show electrodes Range Sensitivity Grades i zj m e Points 100 rik E BD rik n 30 E Me Unsigned Level Lines 0 Lines Labels Spectrum Density estimator Smoothed Periadaaram window 1 1 1 1 1 1 1 1 1 1 1 3 00 coe C Autoregression Order Interpolator setup Smoothing coefficient kernel estimator C nearest neighbors Cancel Figure 6 17 Spectral brain map parameters 8 Click the Change button next to the Frequency Bands te
158. n City Springfield State on Zip 97477 Address Inr E Phone 541 7471234 Figure 8 4 Additional Info pane Following are brief descriptions of each of the pane s data fields e Profession patient s occupation e City city where the patient lives e State state where the patient lives Zip zip code of the patient s address e Address patient s address e Phone telephone number for the patient 164 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 Notes Pane Figure 8 5 shows the Notes pane which contains a text box for typing in notes about the patient Patient Edit Info State Additional Info Notes Exams Misc data Space to add notes about patient Figure 8 5 Notes pane Exams Pane Figure 8 6 shows the Exams pane which contains a table of the recorded and archived exams of the patient Patient Edit 5 5 6 2004 2 31 06 PM 4 3 9 2004 9 53 59 3 1 22 2004 12 02 59 PM 2 1 22 2004 12 00 57 PM 1 1 22 2004 11 59 34 AM Print Cancel Figure 8 6 Exams pane Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 00 01 00 DEFAULT 00 01 00 DEFAULT 00 00 58 DEFAULT 00 01 00 DEFAULT 8 Patient Menu 165 8 Patient Menu The table lists the patient exams with information such as exam number date time and duration of exam and storage disk You can right click on the list to open a window that allows you t
159. n Zip Regular C Bold C Italic Bold Italic Blood pressure min Address v Blood pressure max v Telephone r Signal Line Width Orientation Other 1 C4 C Portrait Truncate Signal 5 Event Comments Landscape Use When Print Direct Printer Port Printer Printer Cancel Printer Figure 9 8 Print Parameters window Options Font and Printers panes The Print Parameters window consists of three tabbed panes Options Font and Printers e Options In addition to print parameters such as page orientation this pane allows you to specify what kind of patient information to include in the exam printout weight height blood pressure EEG specific parameters include signal truncation and signal line width e Font This pane allows you to specify the type size and style of font used in the printouts e Printers This pane allows you to select a signal printer and a color printer Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 187 9 Options Menu Filter Configuration The third command in the Options menu is Filters which enables you to specify the filter configuration Choose Options gt Filters to open the Filter Configuration window Figure 9 9 Filter configuration Parameters M Match filter frequency 50Hz C B Hz Additional Suppression Figur
160. n active 4 Insert events into the trace area as they occur during the exam notice that the timer above the event table section indicates the time between events as defined for that event in the Event Table dialog You cannot change the selected event table once you begin recording To change the event table you must stop the recording select the desired event table and create a new recording Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 85 4 Acquisition and Recording If an event occurs in the trace that is not defined in the Event Table dialog you can mark the events on the fly using event comments Just click in the trace area where the event occurs to open the Event Comment dialog Figure 4 25 Enter the comment and click Close Event comment Figure 4 25 Event Comment dialog For step by step instructions regarding creating editing or deleting event tables see Event Command on page 194 Photostimulator Controls Below the event table section are a group of controls that enable you to specify and check the performance of the photostimulator connected to the EEG system e Click the mode toggle to select manual or automatic operation In manual mode indicated by the hand button Figure 4 26 left select how often the photostimulator flashes by entering a value in the Frequency text box In the automatic mode indicated by the monitor button Fig
161. n the Desktop and select Open e Open the Start menu and choose Neurotravel To close the program using the mouse choose EEG gt Exit or click the Close X button in the top right corner of the window If you are in the middle of recording a window will prompt you to save your work before exiting from the application Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 chapter 1 INSTALLING NEUROTRAVEL WIN N eurotravel Win is shipped already installed on your EEG System which uses a Dell Dimension 8400 PC as the data acquisition computer The instructions in this chapter are provided in case a problem occurs and you must reinstall the software Instructions are also included for installing the optional VideoEEG feature All cabling diagrams containing a PC back panel refer to the Dell Dimension 8400 Before reinstallation you must uninstall previous versions of the software and its required drivers a driver is a program that controls a device This chapter provides uninstallation instructions installation instructions and installation troubleshooting tips Note Please carefully follow the instructions regarding when to connect the Neurotravel amplifier and hardware key to the data acquisition computer Uninstalling the Hardware Key Drivers To uninstall the hardware key system drivers 1 Remove all SuperPro hardware keys 2 Open the Start menu and choose Control Panel Figure 1 1 Neu
162. na Italy echo www egi com www atesdevice echo echo HHH HHH HHO ATTENTION HHH HHH HHO echo USE THIS UTILITY ONLY FOR BACKUP echo echo DON T USE IT IF YOU HAVE PROBLEMS IN THE DATA BASE echo AND CLOSE THIS WINDOW echo WUHU H UOH HOU U H H H HH Edit this path to save the database copy in a different folder rem Floppy copy rem copy d temp Database a rem Archive copy copy d temp Database e Figure 11 5 Editing the DBSave destination path Note If your data archive paths in the DBSave Notepad file Figure 11 5 right are different from the default Data Files Path specified in Neurotravel s System Configuration window choose Options gt System gt Common to check then change the paths in the Notepad file Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 233 11 Data and Disk Management Checking Database Values The DB_Util application also resides in the Utility folder of the Neurotravel Win application Figure 11 6 Utility 10 File Edit View Favorites Tools Help ae Back M 2 yo Search Iss Folders fz Address D Neurotravel Eeg_for_Windows Utility v Go File and Folder Tasks 4 e DBSave d MS DOS Batch File 2 KB DISK12 16 x 16
163. name e First Name patient s first name Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 8 Patient Menu e Mid Name patient s middle name e Birth Date day month year of birth as selected by pop up menus e Age patient s age in years and months e Sex gender Note The minimum required data for a patient record is the code State Pane Figure 8 3 shows the State pane which contains the general vital statistics of the patient Patient Edit Info State Additional Info Notes Exams Misc data Patient state parameters Weight fib Height 8 amp 8 5 Blood Pressure 0725 Blood Pressure Min B Figure 8 3 State pane Following are brief descriptions of each of the pane s data fields e Weight weight of the patient first field for numerical value and second for unit of measure e Height height of the patient first field for numerical value and second for unit of measure e Blood Pressure Max systolic blood pressure of the patient e Blood Pressure Min diastolic blood pressure of the patient Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 163 8 Patient Menu Additional Info Pane Figure 8 4 shows the Additional Info pane which contains contact information for the patient Patient Edit Info State Additional Info Notes Exams Mise data t Patient profession address and other Professio
164. nd Speech System Taskbar and User Accounts Audio Audio Devices Start Menu Figure 1 2 Windows control panel 24 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 1 Installing Neurotravel Win 4 Inthe Add or Remove Programs window click on the Sentinel System Driver program and click the Remove button Figure 1 3 6 Add or Remove Programs SEE Currently installed programs Show updates Sort by Name v Change or i A Adobe Acrobat 5 0 Size 12 44MB _ Programs _ AVG 6 0 Anti Virus FREE Edition Size 14 80MB 15 Conexant 0480 MDC 92 Modem Size 0 47MB Add New 15 Dell ResourceCD Size 2 73MB Programs jl Intel R Extreme Graphics Driver Sh Neurotravel 17 03MB Add Remove Windows Sentinel System Driver 5 41 1 32 bit Click here for support information To change this program or remove it from your computer click Change or Remove Set Program Access and Defaults j3 WinRAR archiver Workshare Technology Synergy Editor Size Figure 1 3 Remove the Sentinel System Driver 5 Inthe remove dialog that appears click Yes Figure 1 4 Add or Remove Programs vou sure you want to remove Sentinel System Driver 5 41 1 32 bit From your computer Figure 1 4 Confirm the removal Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 25 1 Installing Neurotravel Win Uninstalling Neurotravel Win Unin
165. nd obtain data based only on a specific montage Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 11 Data and Disk Management Database Organization Neurotravel organizes and manages all your data in a database located in D Neurotravel Eeg_for_Windows DATA The database can handle large volumes of data order them according to specified methods quickly perform user defined searches automatically link database fields and export data for use in other programs Using either the mouse or the keyboard you can choose menu items that enable you to manage the data by inputting modifying or deleting information from the database archives Neurotravel categorizes files into different database archives to obtain data easily avoid duplication of files and optimize disk space The database archives reside on the hard drive and include e Patient e Exams e Montages e Event tables e Photostimulator protocols e Frequency bands for brain mapping All of these are separate files The software maintains the links among the different archives automatically updating related archives when you make changes in one archive This ensures that information is correctly linked in the patient database For example when EEG is recorded Neurotravel stores the information in the exam archive which is directly related to the patient archive So when you pull up a patient record and look at the exam list the latest exam i
166. nits fields The Document and Add Data panes are usable only if Document or File is chosen from the Type pop up menu in the Parameters pane Figure 8 9 Misc Data New Parameters Document Add data ec Object information item name value etc Name Integer Integer Value FI oat Units String Document File Figure 8 9 New miscellaneous information Cancel Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 167 8 Patient Menu If either is chosen then the Define button in the corresponding pane becomes active allowing you to attach a document or file to the current file Figure 8 10 If File is Mise Data New Misc Data Hew selected from Document Add data the pop reese rM n ME ns up menu ES E EL Ex El pobespor mie girma mr DIFOERTT 1 CORT MICENE corres gt wm Ro Cancel The Define button is active in the The Open dialog allows you to navigate The selected file is attached Add data pane Click the button to and select a file Click Open to the current file If Document ate is selected from the Type pop MIDI Sear up menu The Define button is active in the The Insert Objects dialog allows you to The selected document is Add data pane Click the button select a document Click OK attached to the current file Figure 8 10 Attaching a f
167. ns Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 227 11 Data and Disk Management 228 As an example assume you are recording 32 channels Because you know that the sample resolution of each electrode is 16 bits that is sample byte 16 bits 2 bytes you can calculate the room taken for each minute of recording byte minute sample rate x number of electrodes x sample byte 2 x 60 Collecting data with 32 channels results in e bytes per minutes at 250 Hz 960 000 that is 250 x 32 x 2 x 60 Archive Disk The following discussion will help you determine which disk size to use Assume that the sampling rate is 250 Hz and the number of electrodes is 32 same values as in the previous section Calculate the memory required for one minute of data using the formula described in Acquisition Disk on page 227 The results are A4 7 GB disk DVD RAM which in reality holds 4 2 GB of data can hold 72 hours and 55 minutes of data that is 4 200 000 000 960 000 4 375 minutes Disk Space Management Good acquisition disk management calls for regularly transferring usable exams to archive disks deleting unusable exams and deleting unusable patient records For more information about these processes see Example EEG Viewing Archiving on page 240 Exam Deletion on page 158 and Deleting Patient Records on page 176 In addition you can choose Options gt Acquisition a
168. nu command 84 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 xi List of Figures 4 24 Event Table dialog 84 4 25 Event Comment dialog 86 4 26 Photostimulator controls in its two modes manual left and automatic right 86 4 27 Automatic calculation buttons 87 4 28 VideoEEG button 88 4 29 Record toggle 88 4 30 Break in the recording 88 4 31 Recording time maximum 89 4 32 Acquisition and Recording timers 89 4 33 Save button 89 4 34 patient name in the patient status bar 90 4 35 Save prompt 90 chapter 5 Review and Processing 5 1 EEG review commands 91 5 2 Control panel in review mode 92 5 3 Check the acquisition parameters by choosing Options gt Acquisition 93 5 4 Current Patient Exam List 94 5 5 Section of printout of current patient s exam list 95 5 6 Query pane 96 5 7 Exams Query pane 96 5 8 Exams List 97 5 9 Archive Exams List 98 5 10 Review control panel 99 5 11 Database buttons 100 5 12 Navigation controls 100 5 13 Navigation bar and toggle 101 5 14 Selection of an Event window 102 5 15 Trace display settings 103 5 16 Display settings in the Options menu 103 5 17 Montage buttons 103 5 18 Acquisition montage settings 104 xii Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 List of Figures 5 19 Filter controls 104 5 20 Notch filter 105 5 21 Notch filter off left and on right 105 5 22 Select 50 or 60 Hz notch f
169. o Medic 43 115 Sentinel System Driver program 25 serial numbers of disk and key 31 serial numbers match 31 Server Name IP or Mode pop up menu 45 signal buttons Acquisition control panel 79 smoothed periodogram 135 141 148 specific values 78 spectral brain mapping 130 130 frequency and sensitivity scales 157 colors of 136 group weighted value 131 parameters how to 131 System Configuration window 217 System Properties dialog 29 215 System Info window S MAN 200 WINC 001 March 31 2005 System Properties window 29 system setup Options menu 55 System Users command 213 T task windows 67 Test Electrodes window 81 text boxes 67 tile windows horizontally 62 tile windows vertically 62 timers 64 title bar 58 trace area 65 trace display settings Acquisition control panel 75 103 181 Review control panel truncating displayed signal U unfiltered data 54 uninstallation hardware key drivers 23 Neurotravel Win 26 Unmark Interval command 114 V value selectors 63 VideoEEG how to record 223 installing 47 kit components 219 review of 225 settings 220 system cabling 220 system configuration 221 with acquisition 49 working with data 225 VideoEEG button 88 Review control panel 109 videoEEG exam asterisk 98 247 248 VideoEEG kit general cabling 48 View menu 60 View pane 216 W Windows control panel 24 Windows menu 62 Word Template command 174 X XPress Video
170. o archive have been reviewed and signed off by the physician for more information see Exam Reports on page 172 154 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 7 Function Tools 3 Choose Options gt System to open the System Configuration dialog Figure 7 4 In the Common pane verify that E is the archive disk partition and click OK If E is not the archive disk click the arrow button next to the Archive disk box to open a list of available disks choose E and click OK System configuration Common Report Espart Impart View Data Files Path D NeurotravelhEeg for Windows D ata Archive disk Mame of the Clini Electrical Geodesics Inc Option Print preview Click to open a list of available disks Show configuration dialog before data printing Demo mode Figure 7 4 View the information for a selected exam in the Exams List Now you can start archiving 1 Choose Operations gt Data Archive to open a list of exams Figure 7 5 Archive Exams List Quen _ Patient Code No Date Time Davis Nick Charles 3000 7 12 15 2004 1 42 03 Ft Chiang Timothy Scott 13 12 15 2004 1 34 09 PH 00 01 01 Chiang Timothy Scott 12 12 16 2004 1 29 55 00 01 25 Chiang Timothy Scott 11 12 15 2004 1 27 24 Ph 00 01 00 _ Chiang Timothy Scott 10 12 16 2004 1 25 33 Ph 00 00 59 Chiang Timothy Scott 9 12 15 2004 1 21 07 Pv 00 0
171. o select it and click again to enter a value or you can select a value from a pop up menu that appears to the right 8 Click OK when finished creating the entire sequence Selecting a Protocol Choose Options gt Photostimulator gt Protocols gt List to view a list of protocols You can select from the list using the mouse or the keyboard e Using the mouse click to select the protocol from the list and click OK to choose it e Using the keyboard press the arrow keys to scroll through the list and select a protocol press the Enter key to choose it Right clicking on a protocol name opens a pop up menu where you can create view edit or delete the selected protocol Figure 9 38 Photostimulator List VIEW Edit Delete Cbhri Del Figure 9 38 Modifying a photostimulator program With the pop up menu e If you select New you can create a protocol based on the default protocol e f you select View you can only view not edit the selected protocol e f you select Edit you can modify the selected protocol f you select Delete you can remove the selected protocol Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 211 9 Options Menu 212 Once you select a protocol it becomes the current one and is indicated at the top of the photostimulation controls in the Acquisition control panel Figure 9 39
172. o view or edit the exam info for a selected exam open the exam Figure 8 7 left delete the exam or view the file path Figure 8 7 right xi Info State Additional Info Notes Exams Misc data Number Date Volume Refresh T Exam Info D ANeurotraveliEeg For WindowslDatalD45B6824 1 203 7 KB 3 1 21 2005 1 2 1 19 2005 2 Exam Info Ctrl 1 1 19 2005 2 Edit Exam Info In Current Window In New Window Delete Ctrl Del Exam Path Figure 8 7 Open options left and exam path right Misc Data Pane Figure 8 8 shows the Misc Data pane which contains patient related information that does not fit in any of the other categories Patient Edit Figure 8 8 Misc Data pane 166 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 8 Patient Menu This pane consists of a table with the following columns not all of which must be filled in e Name name of the information or document Value alphanumeric value associated with the information e Units measurement unit associated with the value e Type type of information New Miscellaneous Data To create a new data category right click in the pane and choose New or press the Insert key which opens the Misc Data New window This window consists of three panes Parameters Document and Add Data The Parameters pane contains name type value and u
173. oggle Click the Record toggle to begin recording click again to interrupt the recording click once more to resume recording The recorded sections are saved to the same file with recording breaks indicated by markers in the trace area and by events in the Event List dialog open by right clicking in the trace area and choosing Event List from the resulting pop up menu see Figure 4 30 Analysis oem it Choose Event LI n iiis mplitugdes rit 1 00 gt Re reak in recor i n i dl d 00 00 07 gt lt Break in record I Delete Event Eat 00 00 11 R amp Break in record types of 00 00 11 gt lt events j 00 00 26 A Break in record 00 00 49 gt lt Break in record View Examine Info Ctrl V Right click on the event mark to open this pop up menu Edit Examine Info Figure 4 30 Break in the recording A recording can end because the selected time is over or a manual interruption has occurred To end an exam manually click the Acquisition toggle 88 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 4 Acquisition and Recording When the Acquisition toggle is off the Review control panel automatically replaces the Acquisition control panel The Review control panel is discussed in Chapter 5 The recording m ce duration is set by choosing Options Record Time Figure 4 31 for more information see Reco
174. on a patient name and choose View Patient from the resulting pop up menu to open the Patient View window 2 Click the Print button in that window to produce a hard copy of the information in the Info State Additional Info and Notes panes of the patient record see The Patient Record on page 162 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 175 8 Patient Menu To print patient exam information 1 Choose Patient gt List right click on a patient name and choose View Patient from the resulting pop up menu to open the Patient View window 2 Inthe Exams pane of that window right click on an exam and choose View Exam Info from the resulting pop up menu to open the Exam View window 3 Click the Print button in that window to produce a hard copy of the information in the Info Personnel History Annotation and Interpretation panes of the exam report see Exam Reports on page 172 Deleting Patient Records Caution Use great care when deleting patient records or exams because these A operations are irreversible Note You can delete a patient record only if none of his or her exams have been archived To delete patient data 1 Choose Patient gt List 2 From the alphabetical list of patients click to select a patient record with no archived exams 176 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 8 Patient Menu 3 Right click on the selected patient
175. on dialog appears so use this command with care Event marker Event marker irit Click off of TAM S Click on an an event zaam Ch U event marker Py neun iN marker to Analysis e Ut to edit or Ash Analysis add an event Video EEG delete an Wiper vider EEG MIN Measurements iChrl R event Muse Measurements Ctrl F WI Amplitudes ww amplitudes NE Event List Ctrl M reo Event List Ctrl M Rn Navigator Bar Ctrl B vus Navigator Bar ctrl E UC UM Archive Crl A Rd ANSA Export ef i Archive Export k d mu View Exam Info Ctrl n Edit Exam Info rr ate View Exam Info ie View Patient Info Ctrl I F m qu Edit Exam Info i i Edit Patient Info jh h ail i View Patient Info Ctrl I E i A PT TATRA TER M Edit Patient Info WA 2 ze ELE Wi n L Figure 5 33 The pop up menus differ if you click off of left or on right an event marker Any changes to the events in the trace automatically appear in the Event List Zooming in on Details While reviewing a trace you can zoom in on details by pressing the left mouse key while dragging the cursor over the area of interest and then releasing the key The area under the cursor enlarges immediately and the Measurements palette opens this is described in the following paragraphs The zoom feature does not work if
176. on disk to the archive disk 242 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 A amplitude mapping colorsof 124 absolute value of coherence function 149 howto 125 absolute value of cross spectrum density 149 maps 126 absolute value of cross spectrum densit P y parameters 128 table 129 amplitude timepoints colors of 124 measuring 125 and two spectrum densities 150 Acquired Electrodes pane 190 Acquisition control panel 72 Acquisition toggle 74 automatic calculation buttons 87 amplitude mapping button 109 database buttons 74 analysis buttons 108 event table section 83 filter controls 76 filter values 77 analysis controls using for automatic calculations 117 application examples impedance button 81 acquisition and recording 239 montage buttons 75 notch checkbox 76 photostimulator controls 86 viewing and archiving 240 archive disk 228 archive disk label 157 Archive list 157 archive review 98 picture of 73 Save button 89 signal buttons 79 archiving exams 154 timers 89 arrange icons 62 trace display settings 75 VideoEEG button 88 acquisition disk 227 automatic calculations amplitude mapping 123 channelspectrum 138 Acquisition toggle 74 coherence spectra 146 Acquisition window 71 spectral brain mapping 130 Add or Remove Programs window 24 5 automatic calculation buttons Additional Suppression checkbox 188 Acquisition control panel 87 Administrator
177. opening the Start menu and choosing My Computer in the resulting My Computer window double click on the GES icon in Drive F Figure 1 30 7 puber Administrator Fila Ed View Fee Help B Internet __ My Documents Internet Explorer a 3 E mail O My Recent Documents gt ne _ z Ml Outlook Express gt My Pictures in E ja Vires information e Neurotravel gt de Add or remove programe Ge Change a setting E J My C t Paint gu ocn ing Lect this dik My Network Places Notepad Local Ci ag Local De Di Em Local Dk E Control Panel Br_Eeg Set Program Access and T o Devi es wah Removable Storage Defaults Acrobat Reader 5 0 ka Printers and Faxes D OU b cl ick to o pe n EN and Support the program manager pP Search 9 Run All Programs gt beat Dell Solution Center P Log Off 9 Turn Off Computer Figure 1 30 Open the program manager manually Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 43 1 Installing Neurotravel Win 2 Inthe program manager click on Sentinel Medic Install Figure 1 31 to open the first window of the installation wizard program Got natallor Welcome Please choose an option Neurotravel Install Operator s Manual Browse our Web Site Acrobat Reader Key Drivers Install Important Notes E Sentinel Medic Install Figure 1 3
178. ose in intensive care units 3 calculation buttons Spectral Brain Maps Button This button multicolored scalp provides access to the spectral brain mapping features For more information see Spectral Brain Mapping on page 130 Channel Spectrum Button This button multicolored graph provides access to the channel spectrum features For more information see Channel Spectrum on i page 138 Coherence Spectra Button This button highlighted scalp provides access to the spectral coherence features for a channel pair For more information see Coherence Spectra 27 on page 146 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 87 4 Acquisition and Recording VideoEEG Button To the right of the automatic calculation controls is a camera button Figure 4 28 that provides ib access to the optional VideoEEG feature used during acquisition For more information see Chapter 10 VideoEEG Kit Option Figure 4 28 VideoEEG button Record Toggle and Exam Recording The Record toggle Figure 4 29 above the Acquisition toggle enables you to record an exam to disk after initiating the acquisition phase The recorded data can be saved to an existing patient in the Patient List see Selecting a Patient Record on page 169 or to a new patient at the end of the recording see Inserting a New Patient Record on page 168 Figure 4 29 Record t
179. otravel for Windows Driver Ntvldev inf Found New Hardware Wizard Welcome to the Found New Hardware Wizard This wizard helps you install software for NEURO TRAVEL Before ReNumeration loader 4D00 If your hardware came with an installation CD lt 6 or floppy disk insert it now What do you want the wizard to do Install the software automatically Recommended Install from a list or specific location Advanced Automatic installation Click Next to continue Figure 1 16 Found New Hardware Wizard 5 Ifthe Hardware Warning dialog Figure 1 17 appears click the Continue Anyway button a confirmation dialog appears and Windows restarts the Found New Hardware Wizard program Hardware Installation The software vou are installing For this hardware NEUROTRAYEL After ReNumeration ezusb sys 4D01 has nat passed Windows Logo testing to verify its compatibility with Windows xP Tell me why this testing is important Continuing your installation of this software may impair or destabilize the correct operation of your system either immediately or in the future Microsoft strongly recommends that you stop this installation now and contact the hardware vendor for software that has passed Windows Logo testing Click this Continue Anyway STOP Installation b utton Figure 1 17 Hardware Warning 34 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 1 Inst
180. ows Support that you can modify If you want to create your own template in Word or another program be sure to place the template in the Support folder and that the external editor configuration is directed to it see Figure 8 15 on page 174 To create an exam report 1 Select and open the exam 2 Choose Options gt System to open the System Configuration dialog 3 Inthe dialog click the Export Import tab and make sure that the correct directories are specified for both the export and import file paths Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 173 8 Patient Menu 4 Inthe dialog click the Report tab select the Use External Editor checkbox choose the template for the report Neurotravel provides an editable report template named Template8 in Neurotravel Eeg_for_Windows Support and click OK Figure 8 15 System configuration x Common Report Export Import View v Use External Editor Template jini Tem 4 Click to open a file navigation window and select a different template if desired Figure 8 15 Check the external editor configuration 5 Inthe Review window choose Operations gt Word Template to initiate the data export to Word Figure 8 16 v Auto 6 Close Microsoft Word the document is Manual Data Archive now attached to the exam the file will be Data Import 4 saved the exam report and listed the
181. p Align Right Align Left Align Center Figure 6 14 Spectral brain map options 4 Right click on a map and select Settings from the resulting pop up menu this opens the Parameters dialog Figure 6 15 gyNeurotravel 1 Hartman Colin Joshua N 4 1 24 2005 1 50 15 PM 00 00 12 5 xj e EEG Patient View Operations Options Windows Help 5 xj Bl zi E za Delta Theta Alpha Beta Print this map Print All maps a Align Bottom mms 30 id Grid Align Right Axis Iv Align Left 05 35 25 35 8 25 0 8 13 25 0 13 20 25 a nn Align Center rl 5 5 A Parameters for the group of maps LP Hz 70 m HP Hz 0 53 v Bandpass Notch 1 Q Bh e Ape roa Tab Default All oly tor SRD Bands 4 Bands 4 standard bands Change What to map Amplitude Coeff of asymmetry lE Min size of a map LI n uin a m gt m Map scales ange Sensitivity Grades 44 E 19 b 100 60 mo 20 i Eu LA A v Unsigned v Level Lines Lines sh 22 2 Spectrum Density estimator Vn A t NNI ui n 23 i Smoothed Periodogram Corr window ii AM Ny z p 300 MA fiis TAN
182. p menu e Click the new button to create a new montage Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 103 5 Review and Processing The review montage buttons affect the display of the data only You can review data from only the electrodes that you chose to record otherwise a warning message appears and unrecorded channels are displayed as flat lines To discover which electrodes were recorded choose Options gt Acquisition and click the Acquired Electrodes tab Figure 5 18 This pane shows you the acquisition electrodes that have been recorded individually selected electrodes all or those in the montage For more information see Chapter 9 Options Menu All electrodes Data acquisition configuration Pal fol m 2 2 RSP rof Cb1 Cb2 EMEN As montage All On Individually selected electrodes Montage electrodes Figure 5 18 Acquisition montage settings Filter Controls In the upper half of the Review control panel are the filters and sensitivity controls Figure 5 19 for applying the notch filter specifying lowpass and highpass filter values and defining filter sensitivity These controls affect the appearance of the data onscreen and in the printouts they do not modify the actual recorded data 104 Neurotravel Win Technical Manual uric 7 d LP Ha 70 HP Hz 0 53
183. point over a local neighborhood nearest neighbor a value that defines a simple mathematical algorithm for interpolation that assumes that the density at any datapoint is inversely proportional to the distance to the kth nearest datapoint 13 Click OK when the parameter values are satisfactory or click the Default button for the standard setup Map Details During review when you roll the cursor over any of the maps a box in the top right corner of the map window shows the value beneath the cursor Figure 6 18 During acquisition this value is revealed in the box but it does not automatically update as the trace scrolls Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 135 6 Automatic Calculations The maps each contain two scales indicating frequency and sensitivity Figure 6 19 a heurotravel b Chiang Jane Lies 81 0902005 2735770 PM ee ee rumeur ieee Prvih Sensitivity scale An Vin AAAI TE manly Vy Frequency interval scale LI Morkage Zau fcuk Za Humber Figure 6 18 Spectral maps The frequency interval indicates the frequency band displayed for that map You can drag either edge of the interval to change the frequency band The other maps automatically update if affected by the change The sensitivity scale determines the color and topographic distribut
184. r to store the exam to the acquisition disk If you do choose to store it click the Save button 11 Once the exam is saved to the acquisition disk you can review and edit it and later prepare it for archiving For more information see Chapter 4 Acquisition and Recording Example EEG Viewing Archiving You can review acquired exams at any time If they are not archived to an optical disk you can input or modify the data as well If they are archived you can display the data but not modify them Viewing Modes The EEG menu offers three modes to review the data current patient review hard disk review and archive review In each mode you can view a trace and its characteristics scroll through the file search for events zoom in on details and so on Following are brief descriptions of each mode Current patient review Enables you to review selected current patient traces To access this mode 240 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 A Application Examples Select a patient see Selecting a Patient Record on page 169 Choose EEG gt Current Patient List A list of the current patient s exams appears with information such as the acquisition date of each trace its session length and the optical disk label if archived In this mode you can transfer exams from the acquisition disk to the archive disk e Hard disk review Enables you to review recorded traces
185. ration window in the Options menu see Data Acquisition Configuration on page 189 toggle Neurotravel New exam e EEG Patient View Operations Options Windows Help 2 PAR Sats ate zs s F s Pra L 2 FS s EAE S S a eid 00 00 04 s E E ANGE pit i 3 E EDT d a 1 E TERA TE 1 5 57 Fe Channel Mee eau 4255 231585 Era SERS Poos PERE tiles F a H F 3 i H E H gt E 5 H e H E 3 1 E od dt A ACCES OCC CEN CERCA ACE 21 5 Edit e current m ewe des QE WA An quio VA Er des DER HUE Dele Nah cee QE ORI AN RAS ANS EV P CORRS Dunt LR RAT INI oed dat dL s RC Pap e QE Nepal X 1 te 2 MESCNCNS EE EE eee montage a Sa Ub w i ee a or X Tq OL 4 We v gd X Te du PES d vA MU OX VES ha um MM ME Ss es 24 Wb o Ww QV X e C es 29 42 d o4 Ww o 4b odo 39 Do SE 344 Le oa DO am t9 n4 w3 0 43 Q4 9 de Ue Se PE ap CA oc B3 C oj A om 2 45 Do oW BU X G9 1 RB os DEO 35 we ChoOdG QU CU 3 X a 25 9 45 Np 9 25 5 249 34 29 35 4 022 qr 3 Bo Bo nb E gt LEO PB 9e IR lo 3 122 39 45 OAM da lar 2 4 de CA Sh BE
186. ravel Win Interface Basics Dialogs Dialogs are temporarily displayed windows requiring additional information to complete a computer operation see Figure 3 13 for examples Typically they disappear once you click an OK or Close command button Close X buttons Patient Edit Task window Scroll bar Text boxes Option buttons Checkbox Command buttons Figure 3 13 Sample dialogs Dialogs can consist of command buttons task windows text boxes option buttons checkboxes and scroll bars Each of these elements is described in the following paragraphs and illustrated in Figure 3 13 Almost all these elements are accessible through either the mouse or the keyboard To navigate and select items in a dialog e Mouse Click on the desired element Le F4 FG e Keyboard Press the Tab key to move from one element to another a black border will usually indicate that an element is selected Cz 4 1 T4 Figure 3 14 Note that pressing Shift Tab Figure 3 14 The black will move you in the opposite direction as border around the C4 button pressing Tab does Press the Enter key to indicates it is selected make an element operative Each dialog has a feature for quickly closing the window without saving changes To close a dialog e Mouse Click the Close X button to dismiss the window and cancel the performed modifications 66 Neurotravel Win Technical Manual S MAN 200 WINC 001
187. rch 31 2005 59 3 Neurotravel Win Interface Basics 60 Individual Menus Almost all the menus and their commands are referred to throughout the manual with some described in depth the Options menu for one Following then are just brief descriptions of each menu and command EEG Menu This menu contains commands related to EEG exams e New creates anew exam e List displays a list of all recorded exams on the acquisition disk Current Patient List displays a list of all the exams of only the current patient e Archive List displays a list of all archived exams e Acquisition Mode initiates acquisition of traces e Save records the current unsaved exam to the acquisition disk e Save All records the current unsaved exam and video if applicable to the acquisition disk e Print prints the current exam e Print Preview provides a representation of the printout in advance e Print Window prints only the active window e Printer Setup allows you to choose a printer and its properties e Exit closes the Neurotravel Win application Patient Menu This menu contains commands related to patient records e New creates a new patient record e List displays a list of all patient records e Edit Current allows you to edit the current patient record View Menu This menu contains commands related to the visualization of EEG exam data e Analysis applies automatic calculation tools to the current EEG exam for display
188. rch backward and forward for specific events To specify the events click the dotted browse button next to the event search box Al EH 1 Clicking on the dotted browse button opens the Selection of an Event window which lists all defined events from which you can choose Figure 5 14 lr 1l Tab Default Eyes opened Rest Looked away Eves closed Huperventilation End 1 st minute 2 minute 3 rd minute 4 th minute Start of photostinulator End of Photastimulator 33 Cancel Figure 5 14 Selection of an Event window When you choose an event its name appears in the event search box for example EO and you can use the event backward and event forward keys to navigate backward and forward respectively through the file to each such event To open a list of only the events that occurred in the current exam right click in the trace area and choose Event List from the resulting pop up menu For more information see Modifying Events on page 110 and Event Command on page 194 102 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 5 Review and Processing Trace Display Settings Near the top of the Review control panel are selectors for the trace display settings CL Figure 5 15 to review EEG data The MN i1 zie 02 software displays the traces from right to Axis horizontal left The trace display buttons
189. rd Time on page 193 Ma thee Bar piecondesd EE E m Decir Figure 4 31 Recording time maximum Session Timers The Acquisition control panel contains timers for the acquisition and recording modes Figure 4 32 s Timer acquisition Timer record The Acquisition timer immediately above the Figure 4 32 Acquisition Acquisition toggle displays the time elapsed and Recording timers for the acquisition session in hours minutes seconds The Recording timer immediately above the Record toggle displays the time elapsed for the recording session also in hours minutes seconds Save Button At the end of a recording session the Save button Figure 4 33 near the top right of the panel becomes mi active This button saves the current exam to the person listed in the patient status bar bottom left corner of window see Figure 4 34 The saved exam is automatically added to the Exams List Figure 4 33 Save button Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 89 4 Acquisition and Recording If the patient name to the current exam does not correspond to the patient status bar click the Patient List button to select the correct patient then click the Save button otherwise you will save the exam to the wrong patient G DDS zik PHAT AM ner al Unda AM AMA Pies I
190. ree of these clinician friendly features e linear system routine e unfiltered recorded data e the Options menu This chapter introduces you to each feature Linear System Routine The acquisition recording reviewing and archiving steps follow a linear pattern This structure minimizes the chances of mistakes being made Figure 2 1 provides an illustration of the Neurotravel Win operations discussed in this manual 2 C ee Acquisition Recording Save Review Archive Archive onscreen on D drive on D drive on D drive on E drive on removable media Check acquisition Record when Save to hard View add edit View exam info settings before acquisition drive acquisition or delete exam INNEN recording settings are disk for later or patient info View or edit patient info acceptable review E Archive exam TM removable media Figure 2 1 The linear Neurotravel process Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 53 2 Process Overview As Figure 2 1 shows each step must be completed before you can proceed to the next step Also although not indicated in the figure a physician must sign off on an exam before it can be archived Example Applications This manual describes the software features and functions For an overview of how to use them during routine clinical exams see Appendix B Application Examples which describes acquiring recording viewing and
191. rename the interval and save it The 4 Bands settings serve only as a template for creating new intervals in fact in the new frequency bands window the software prevents you from overwriting the default interval or any other intervals already defined in the Neurotravel database for a list of their names choose Options Frequency Bands List You can edit the Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 205 9 Options Menu other intervals using a different window that is opened by choosing Options gt Frequency Bands gt Edit Current however you cannot edit the default 4 Bands interval Following are the specific steps to creating a new interval 1 Specify the Number of bands If the number is 4 continue to the next step If the number is not 4 the lower part of the window becomes unavailable Figure 9 32 You must click the Create button to make that portion available for editing again depending on the number of bands specified the Create function may automatically rename the interval using an existing name such as 5 Bands you must change the name in Step 4 before saving Frequency bands New Name Comment 4 Bands 4 standard bands M Frequency range Number of bands p Restrictions for the frequency bands 7 From 0 00 Hz 5 Only neighbour bands inside the freq range Create Create button To 25 00 Hz 32 Any bands inside the frequency range
192. requency bands 5 bands 6 bands bands Mew Ins 15 bands View F3 25 bands Edit F4 10 bands in Alphe 32 bands 8 standard bands 4 standard bands 4 standard bands 3 standard bands Delete Ctrl Del Figure 9 33 Moditying a frequency band epoch With the pop up menu e f you select New you can create an interval based on the default interval e f you select View you can only view not edit the selected interval Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 207 9 Options Menu 208 e If you select Edit you can modify the selected interval One exception is the default 4 Bands interval which cannot be edited e If you select Delete you can remove the selected interval One exception is the default 4 Bands interval which cannot be deleted Once you select an interval it becomes the current one Photostimulator Command The ninth command in the Options menu is Photostimulator which enables you to define automatic photostimulator protocols The photostimulator flashes a light at the patient at a frequency that evokes predictable brain activity The photostimulator can work in manual or automatic mode during acquisition Figure 9 34 Toggle the photostimulator mode button in the Acquisition control panel to select the mode In the manual mode use the photostimulator buttons to turn the stimulator on or off and to modify the frequency see Photostimulator Contro
193. results in more detail Figure 1 36 right Sentinel SuperPro Medic 2 Error 0 Success 2 The SuperPro key was found and appears to be working properly Message from the Medic Says function Message from the Tools menu Figure 1 36 More details about found keys 46 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 1 Installing Neurotravel Win Installing the VideoEEG Kit The VideoEEG kit is an optional feature If you did not purchase this kit it will not be present in the Neurotravel installation CD s program manager If you did purchase the kit 1 In the program manager click VideoEEG Kit 2 Accept all the default settings in the installation windows that appear 3 At the end of the installation remove the Neurotravel installation CD and shut down your computer 4 Turn off the computer using its on off switch 5 Open your computer case firmly insert the XPress Video Acquisition card into an empty PCI slot and close the case 6 Turnon the computer using its on off switch and start your computer 7 Detecting the XPress video card Windows opens the first window of the Found New Hardware Wizard program Figure 1 37 proceed through the installation windows choosing the automatic installation and the default values Found New Hardware Wizard Welcome to the Found New Hardware Wizard This wizard helps you install software for NEUROTRAVEL Before ReNumeration loader 5000
194. rkers 125 6 5 Amplitude value under cursor 126 6 6 Map resize button 126 6 7 Map settings and printing parameters 127 6 8 Amplitude map parameters 128 6 9 Level Lines function 128 6 10 Amplitude differential 129 6 11 Spectral brain maps button 130 6 12 colors 130 6 13 Spectral brain mapping applied 131 6 14 Spectral brain map options 132 6 15 Parameters dialog 132 6 16 Electrodes for the spectral brain mapping function 133 6 17 Spectral brain map parameters 134 6 18 Spectral maps 136 6 19 Frequency interval and sensitivity scales 137 6 20 Channel spectrum button 138 6 21 Graph colors 138 6 22 Spectrum graphs for each channel 139 6 23 Parameters of Spectrum Graph dialog 140 6 24 Individual channel spectrum window 141 6 25 Channel spectrum graph 142 6 26 Frequency values 143 6 27 Amplitude and energy values 143 6 28 Current graph pop up menu 144 6 29 Export options 144 6 30 Parameters section 145 6 31 Coherence spectra button 146 XIV Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 List of Figures 6 32 Graph colors 146 6 33 Coherence spectra for the channels 147 6 34 Spectral analysis parameters dialog 148 6 35 Close up view of coherence spectra analysis 149 chapter 7 Function Tools 7 1 Importing data in the Neurotravel left and EDF right standards 152 7 2 Select exams to export from the Exams List 153 7 3 View the information for a selected exam in the Exams List 154 7 4 View the
195. rol panel are buttons to access information from the database quickly Figure 5 11 During routine operation you use these buttons to review and edit exams The four database buttons allow you to create a record for a new patient edit the current patient data record open the list of recorded exams and open the list of patients See Chapter 8 Patient Menu for more information Navigation Controls Near the bottom of the Review control panel are the navigation controls Figure 5 12 These controls consist of a slider and buttons that allow you to move through the data efficiently The top buttons allow you to navigate by event type the bottom allow you to scroll through the file Set the scrolling speed by dragging the slider to the left slow or to the right fast Note If you prefer to page through the exam rather than scroll choose Options gt Display Click the Parameters pane and in the Auto scroll area click the Pagewise option button Neurotravel Wi Edit current patient New patient EF Exam list E Patient list Figure 5 11 Database buttons Event Event backward forward Tab test4 Event search d jll 44 Navigation bar toggle Scrolling speed slider For 1 1 1 Scroll Scroll Stop backward forward scrolling Figure 5 12 Navigation controls n Technical Manual S MAN 200 WINC 001 March
196. rotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 23 1 Installing Neurotravel Win ux Administrator Internet e My Documents Internet Explorer _ My Recent Documents gt E mail Outlook Express e My Pictures em Neurotravel 25 My Music ws My Computer My Network Places Paint Notepad E Control Panel Acrobat Reader 5 0 Set Program Access and Defaults WordPad ka Printers and Faxes Q9 Help and Support pP Search I Run All Programs gt Deu Dell Solution Center Ws Log Off o Turn Off Computer Figure 1 1 Opening the Windows control panel 3 Inthe Windows control panel window double click on the Add or Remove Programs icon Figure 1 2 to open the Add or Remove Programs window amp Control Panel File Edit view Favorites Tools Help 27 2 Search lE Folders 1 Address 2 Control Panel Double click to T open the Add or Control Panel Remove window Accessibility Add Hardward Admini i BDE Date and Time Je Switch to Category View Options s Tool Administrator See Also l 7 2 Folder Options Fonts Intel R Internet Keyboard Mouse E Windows Update Controllers Extre Options Help and Support e B gt d EN Q2 e Network Phone and Power Options Printers and Regional and Scanners and Scheduled Connections Modem Faxes Language Cameras Tasks A 9 s u e SigmaTel Sounds a
197. rough the Data If you open a VideoEEG file on a computer not running the VideoEEG option only the EEG trace is viewable To navigate through a VideoEEG file 1 Open a VideoEEG exam to display an EEG exam overlaid with the video screen window containing the patient image and the screen controls 2 Notice the yellow line in the middle of the EEG trace area this is called the synch line and it marks the synchronization of the video images and the EEG data 3 Navigate through the exam using various tools Drag the synch line Use the navigation bar see Navigation Controls on page 100 for more information however this does not permit audio playing Drag the scroll buttons see Scroll Bars on page 68 for more information this does permit audio playing Click the navigation buttons in the video review window to go directly to events In all cases the video and EEG are linked timestamp not by samples or frames Working with the Data VideoEEG files are usually large because of the length of some exams 4 5 hours or even 8 hours for sleep studies and the computer intensive requirements of video To optimize space you can delete unneeded video image sequences and related selections of a trace For more information see Deleting Data Sections on page 116 When you select a data interval in the trace area and delete it the corresponding video images are also deleted When you finally archive the
198. rs to horizontal guides that align with each channel Acquisition Montage Buttons To the right of the database buttons Figure 4 6 are the r2 EL two acquisition montage buttons The montage buttons pen NEM allow you to specify how the electrode signals are Figure 4 6 Montage buttons displayed during acquisition and recording Click the open button to view a list of available montages You can Select a montage from the list and apply it to the current exam Modify a montage by right clicking on a montage name in the list and choosing Edit from the resulting pop up menu e Click the new button to create a new montage Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 5 4 Acquisition and Recording The montage affects only the appearance of the electrode signals To specify which electrode signals are recorded choose Options gt Acquisition and click the Acquired Electrodes tab Figure 4 7 This pane provides three options individually selected electrodes all or those in the montage selected from the control panel You should establish the Acquired Electrodes setting before acquiring data see The Options Menu on page 55 and Chapter 9 Options Menu Data acquisition configuration Parameters Acquired electrodes 1 Fpl Fp2 pst cupa Individually selected EA Bea rez eres a2 electrodes ms uc ras peas cess Spas
199. s such as measurements and amplitude Trace display settings Filters and sensitivity Automatic calculations Visualization buttons Signal Tab Default 00 00 00 e Event table Photostimulator Protocol Test 120 s h Hz Print Acquisition active if a real time printer is connected 00 00 00 Record toggle Acquisition toggle Figure 4 2 Acquisition control panel Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 73 4 Acquisition and Recording Database Buttons At the top left of the Acquisition control panel are buttons Edit current patient to access information from the exam and patient databases quickly Figure 4 3 Typically you create or New patient Ex select a patient record before clicking the Acquisition toggle described in the next section Patient list The four database buttons allow you to create a record for a new patient edit the current patient record open a list Figure 4 3 Database of all recorded exams and open a list of all patients See BUE Chapter 8 Patient Menu for more information Acquisition Toggle The Acquisition toggle Figure 4 4 at the bottom of the Acquisition control panel allows you to view signals from os the electrodes selected in the Acquired Electrodes pane ofthe i gure A A Acaton Data Acquisition Configuration window in the Options toggle menu see p
200. s a list of all the 2L Event List X events in the trace and their times in the x recording Figure 5 31 you can Break in record 00 00 05 sR Break in record 00 00 07 BK Break in record e Choose View gt Event List 00 00 11 Ae Break in record e Press Control N 00 00 11 gt lt 00 00 26 gt Re Break in record e Or right click in the trace area to open a 00 00 49 R Break in record PoP ep menu with the Event List Figure 5 31 Event List window command You can use the Event List to navigate to a specific event Double click on an event in the list and the window automatically navigates to that event marker in the trace To view an event label move the cursor over the event marker in the trace and the label will appear Figure 5 32 Figure 5 32 Pop up text under the cursor To add edit or delete an event right click in the trace Figure 5 33 e Add Right click at a timepoint without an event marker choose Add Event from the resulting pop up menu and add the event in the Edit Add Event dialog e Edit Right click at a timepoint with an event marker choose Edit Event from the resulting pop up menu and edit the event in the Edit Add Event dialog 110 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 5 Review and Processing e Delete Right click at a timepoint with an event marker and choose Delete Event from the resulting pop up menu No confirmati
201. s automatically included Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 229 11 Data and Disk Management Database Management Tools This section discusses two management tools for the Neurotravel EEG database DBSave and DB_Util DBSave makes a copy of your DATA archive and DB_Util rebuilds your database index Both data management tools are downloaded during the Neurotravel installation process and reside in Neurotravel Eeg for Windows Utility These tools should be used only by qualified personnel Please read the following information carefully before performing any of the operations Creating a Copy of the DATA Archive Every two weeks you should use DBSave to make a copy of the DATA archive which contains your databases The copy will allow you to retrieve previous versions of your files if necessary Choose Start My Computer D Neurotravel Eeg for Windows Utility to locate DBSave Figure 11 1 Utility loj x Fie Edit View Favorites Tools Help ae Back d 2 Search lc Folders fz Address C D Neurotravel Eeg_For_Windows Utility Go File and Folder Tasks 2 Make a new folder A Publish this folder to the Web 5 DOS Batch File DISK12 16 x 16 Icon Share this Folder PDF Manual A Adobe Acr obat Document Other Places 2 obal 106 kB Eeg for Windows L3 My Documents Shared Documents
202. s spectral brain maps channel spectrum and coherence spectra Figure 5 26 S MAN 200 WINC 001 March 31 2005 Channel Spectral spectrum brain maps Coherence spectra EP button is dimmed because unavailable Figure 5 26 Automatic calculation buttons 107 5 Review and Processing Spectral Brain Maps Button This button multicolored scalp provides access to the spectral brain mapping features For more information see Spectral Brain Mapping on page 130 Channel Spectrum Button This button multicolored graph provides access to the channel spectrum features For more information see Channel Spectrum on d page 138 Coherence Spectra Button This button highlighted scalp provides access to the spectral coherence features for a channel pair For more information see Coherence Spectra on page 146 Analysis Buttons At the bottom of the Review control panel are the analysis controls Figure 5 27 These buttons Analyze enable you to apply the automatic calculation EJ functions of spectral brain mapping channel Current Interval spectrum and coherence spectra to specific epochs l of data as well as to the entire exam For more Length b sec information see Analyzing Selected Data on i page 117 Figure 5 27 Analysis controls 108 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 5 Review an
203. s the Resolutions pane Display configuration Parameters EEG Markers Resolution Maps Graphs window height in mm 216 i Pixels mm Bis 1 7 2 zB 10248768 B 99 1260 1024 Other 4 30 x 4 Figure 9 5 Resolutions pane The Resolutions pane contains controls for specifying the maximum window height in millimeters and the pixel per millimeter resolution 184 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 9 Options Menu Maps Pane Figure 9 6 shows the Maps pane Display configuration Parameters EEG Markers Resolution Maps Graphs Color Schemes Elements Map High O B Inactive E Dotted browse button Mde EI Indicator 2 allows you to select a E E _ different color EE Default Cancel Apply Figure 9 6 Maps pane The Maps pane contains controls for color coding elements in maps generated from the EEG data such as amplitude maps or spectral brain maps see Amplitude Mapping on page 123 and Spectral Brain Mapping on page 130 for more information You can choose from the preset color schemes offered or manually select a color for each element by clicking on the dotted browse button Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 185 9 Options Menu Graphs Pane Figure 9 7 shows the Graphs pane Display configurat
204. se check the Contents on page v or the Index on 243 for coverage of your issue or question You can also perform an electronic search using Find or Search in the PDF version of this manual posted on the Documents page of the EGI website www egi com documentation html In addition the Support page of the EGI website www egi com support html may have the information you need If you need more help EGI recommends the following Try to isolate the problem Is your problem well defined and repeatable e Document the problem Carefully record and organize the details gleaned from the above step and report the problem to EGI Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 Contacting EGI EGI Support web page www egi com support html Email support support egi com Sales info egi com information Telephone 541 687 7962 Fax 541 687 7963 Address Electrical Geodesics Inc 1600 Millrace Drive Suite 307 Eugene OR 97403 USA 237 A Software Technical Support 238 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 appendix B APPLICATION EXAMPLES Neurotravel Win Recording To make an EEG recording apply the 32 sensors to the patient s head following the instructions in the Geodesic Sensor Net Technical Manual Example EEG Acquisition Recording Once you have properly applied the sensors you can begin preparations
205. sition Mode 7 89 1211 20 00 Length 0 0 sec TES EE Relative No Patient Montage 2a N u Adult 2a Number reciprocal Neurotravel Win Technical Manual Time between first and second timepoints frequency Figure 6 10 Amplitude differential S MAN 200 WINC 001 e March 31 2005 129 6 Automatic Calculations 130 Spectral Brain Mapping Spectral brain mapping allows you to view the frequency distribution on a patient s a P a scalp in either acquisition or review mode To apply click the spectral brain maps button Figure 6 11 in the control panel Figure 6 11 Spectral brain maps button Maps representing delta theta alpha beta and other frequency bands are available with user definable parameters such as amplitude energy relative energy maximum spectral density and average spectral density As many as 32 maps over a 30 Hz frequency range using a variety of colors can be visualized for creating finely differentiated images Color Schemes The software assigns default colors to the maps To change the color schemes used for the maps choose Options gt Display and click the Maps tab Figure 6 12 Display configuration Parameters EEG Markers Resoluion Maps Graphs Color Schemes Default d Elements Scale High P Inactive Middle Indicator oo M Default OK Cancel Apply Figure 6 12 Map
206. st e List displays the patient records of all patients with recorded exams Lists the patient records and includes the patient name patient code gender age number of exams recorded to the hard drive and number of exams archived to the archive disk e Query allows you to search for a patient record by code last name first name middle name or exam date e Exams lists the selected patient s recorded and archived exams providing information such as exam number date time duration and storage disk The exams of the patient selected in the Patient List tab are displayed Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 169 8 Patient Menu Selecting a Record To select a record using the mouse 1 Choose Patient gt List 2 From the alphabetical list of patients click to select a patient record and click OK or double click on the selected patient record 3 The name of the selected patient is displayed in the patient status bar see Figure 8 1 on page 161 To select a record using the keyboard 1 Press Alt press the P key to open the Patient menu and press the L key to open the Patient List 2 Press the arrow keys to move the cursor through the list and select a patient 3 Press the Enter key to choose a patient The Print button in the window enables you to print the entire list of patients in the database or a list of patients selected through a search Opening the Current Patient E
207. stalling erases program folders and all their contents Therefore before uninstalling Neurotravel Win copy the entire DATA folder located at D Neurotravel Eeg_for_Windows DATA to a temporary folder Failure to do so will result in irreversible data loss including the patient and exam databases After installation replace the installed DATA file with the copied one For information about routine backing up and maintenance of the Neurotravel database see Database Management Tools on page 230 To uninstall Neurotravel Win 1 Return to the Add or Remove Programs window 2 Select Neurotravel and click the Change Remove button Figure 1 5 Add or Remove Programs Ed Currently installed programs 1 Show updates Sort by Name Change or Adobe Acrobat 5 0 Size 12 44MB Programs AVG 6 0 Anti Virus FREE Edition Size 14 80MB 15 Conexant 0480 92 Modem Size 0 47MB p 15 Dell ResourceCD Size 2 73MB Programs c gy Neurotravel Size 17 03MB Used frequently Add Remove Used 12 2 Windows Last Used On 12 14 2004 Components To change this program or remove it From your computer click Change Remove Change Remove Set Program windows Service Pack 2 Access and jl WinRAR archiver Size 1 27MB Defaults Workshare Technology Synergy Editor Size 6 70MB Figure 1 5 Remove Neurotravel 26 Neurotravel Win Technical Manual S MAN 200 WINC 001
208. t Exams List Exams List Quen avis Nick Charles 3000 7 12 15 2004 1 42 03 Ft Chiang Timothy Scott 13 12 15 2004 1 34 09 00 01 01 Chiang Timothy Scott 12 12 15 2004 1 29 55 Pv 00 01 25 Chiang Timothy Scott 11 12 15 2004 1 27 24 00 01 00 Chiang Timothy Scott 10 12 15 2004 1 28 33 00 00 59 Chiang Timothy Scott 9 1271672004 1 21 07 PR 00 01 06 3 Chiang Timothy Scott a 12 16 2004 1 17 42 Pl 00 00 56 Tasha Inu 11 10 8 2004 1 53 20 00 17 35 Tasha Inu e 10 5 2004 53 20 Pe 00 17 35 J Tasha Inu g 10 8 2004 1 5320 Pe 00 17 35 Yasha Inu 10 5 2004 1 20 53 Ph 00 32 14 Tasha Inu 12 10 8 2004 1 20 53 00 32 14 Tasha Inu B 10 5 2004 2 57 79 00 23 19 Figure 7 2 Select exams to export from the Exams List Data Archive Archiving exams saves computer space and ensures the safe storage of exam information and analysis Recording exams to the hard disk does not archive them To archive exams you must e Transfer the exams to an archive disk partition e Transfer the exams to a media support such as an optical disk Neurotravel systems are shipped with all the software installed and configured for operation including data archiving The system disk is partitioned into three sections C operating system D Neurotravel Win and E archives Partitioning divides the hard drive into isolated sections For information about archiving disks see Archive D
209. t 15k yellow lt 50k and red gt 50k Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 4 Acquisition and Recording Event Table Section Een fable Tab testd Below the impedance and signal indicator Event buttons is the event table section Event timer Lg Figure 4 21 which enables you to toggle insert events from an event table manual which is described in the following Event paragraphs in the trace area while buttons recording EEG Figure 4 22 you cannot insert events if you are only ui Figure 4 21 Event table section acquiring EEG signals b Chiang Jane Lisa Figure 4 22 An eyes open event inserted in the trace using the EO button in the event table section The event table section in the control panel displays buttons for as many as 12 different event types each linked to its own mnemonic code You can color code events to make them easier to identify in the trace area To apply colors choose Options Display and click the Markers tab For more information see Markers Pane on page 183 Defining Events in the Event Table Dialog An event table is a defined set of events events are defined by their two letter names expanded descriptions called comments and their timer settings these are described on page
210. t remove data from recording Delete ngert Figure 9 20 Adding an event comment Montage Command EXpees 00 Print Filters Acquisition The seventh command in the Options menu dealt Event b is Montage which enables you to define ANC Frequency Bands gt List Ctrl F10 montages for use during acquisition or EP Schemes gt Edit Ctrl F11 review Photostimulator gt Hot Keys System Users Choose Options gt Montage to open the montage pop up menu Figure 9 21 umm ha iad sla 5 Figure 9 21 Montage pop up menu Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 197 9 Options Menu The montage pop up menu enables you to create select or edit montages You can use the keyboard to select some montage values but it is better to use the mouse because of the variety of data you must enter Creating a Montage Choose Options gt Montage gt New to define a new montage The new montage window consists of five tabbed panes Parameters Channels AV1 AV2 and AV3 Each is described in the following paragraphs Parameters Pane Figure 9 22 shows the Parameters pane Montage GSN 32 Channel Average Ref Parameters Channels avi Av2 Name GSN324R Comment GSN 32 Channel Average Ref ui Channels 32 m Sens y V mm LP Hz Bandpass filter in revision HP Hz Notch i Cancel Figure 9 22
211. the VideoEEG window before recording an EEG exam Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 49 1 Installing Neurotravel Win Installation Troubleshooting This section provides solutions to problems that might occur during any of the installation processes Hardware Key Hardware Key Not Found This message appears before the Login dialog if there is a problem accessing the SuperPro hardware key Solution Follow these instructions checking after each step to see if the problem has been fixed e Make sure that the hardware key is inserted correctly into the computer s USB port see Figure 1 23 on page 38 for the locations of the PC s USB ports e Make sure that the Sentinel System Driver is installed Double click on the Add Remove Programs icon in the Windows control panel to view the list of installed programs If the Sentinel System Driver is not installed see Installing the Hardware Key Drivers on page 31 e Make sure that the serial number on the hardware key matches the number on the Neurotravel installation CD see Figure 1 12 on page 31 e Check the Windows Device Manager to make sure that the hardware key is enabled and that the Sentinel System Driver is functioning properly e Use the Sentinel SuperPro Medic program to find and test the hardware key see Running Sentinel SuperPro Medic on page 43 e Contact EGI Support Appendix A if the hardware key is damaged
212. the patient status bar displays No Patient the EEG gt Current Patient List option is unavailable Open in New Window J Open in New window 9A oe eh Current Patient Exam List Exams List Quer cm 4 1 fed fe 2005 1 50 1 Refresh 3 1 21 2005 11 23 2 1219 2005 2 29 30 MUS view 1 1 19 2005 2 03 40 Exam Info Cerl Edit Exam Info View Patient Info Ctrl I Edit Patient Info Delete Ctrl Del Exam Path Print Open Figure 5 4 Current Patient Exam List Neurotravel Win Technical Manual Query tab S MAN 200 WINC 001 March 31 2005 5 Review and Processing Exams List Pane The Exams List pane contains the following controls e Print button Prints the current patient s exam list showing the patient s name exam number date duration and storage volume Figure 5 5 Electrical Geodesics Inc Ges Ver 2 4 02 Patient Hame Code Ho Date Duration Volume Hartman Colin Joshua 1 24 2005 00 00 12 DEFAULT Hartman Colin Joshua 1 21 2005 00 00 14 DEFAULT Hartman Colin Joshua 1 19 2005 00 02 59 DEFAULT FR HH p N oC au Hartman Colin Joshua 1 19 2005 00 03 00 DEFAULT Figure 5 5 Section of printout of current patient s exam list e Open button Opens the selected exam exam 4 is selected in Figure 5 4 replacing the currently displayed exam Select multiple exams by Control clicking on the exams in the list
213. timulator to isolation transformer Power cable from PC to isolation transformer Serial port for photostimulator Isolation transformer Keyboard port Power cable from monitor to isolation transformer USB port for amp Monitor port Power cable from isolation transformer to system breaker Coaxial cable from camera to PC System breaker Power cable from camera to isolation transformer Figure 1 39 Cabling for a VideoEEG system 11 Choose Start gt All Programs gt XPress gt XVCR to open the XVCR window 48 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 1 Installing Neurotravel Win 12 In the XVCR window choose Tools gt Settings and accept the following default settings Standard PAL Type Composite Frame Size 15 000 Camera 1 Record Limit unselected Frame Rate 30 frames second 13 Click OK to view a video image in the XVCR window 14 Start Neurotravel 15 In the Acquisition control panel click the VideoEEG button to open the VideoEEG window Figure 1 40 move the window to corner of the Acquisition VideoEEG button window Bade emm inter a Bm r E m act pum mm o Rm eU Ei Figure 1 40 VideoEEG window 16 Click the Acquisition toggle to begin video EEG acquisition Note To record a video file with the EEG file you must always open
214. u The event pop up menu enables you to create select or edit an event table to be used during EEG recording The event pop up menu also enables you to create predefined comments which you can insert into the trace as the data are being recorded Events and comments are then codified and recorded in the trace to indicate the patient s status during the exam You can create one event table to codify a large number of events that you can insert into different exams Or you can create an event table for each exam the table used during recording is automatically used during review 194 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 9 Options Menu Creating an Event Table Choose Option gt Event gt New to define a new event table in the Event Table dialog Figure 9 17 Event table New Default Standard table of events Comment Eyes opened Eve nt Eyes closed ti mer Hyperventilation setti ngs End of 1 st minute 2 nd minute 3 rd minute 4 th minute m EC Rv m im am Ey am TT Figure 9 17 Event Table dialog An event table is a defined set of events events are defined by their two letter names expanded descriptions called comments and their timer settings In the Event Table dialog define the events by filling in the Name and Comment text boxes and by typing in the desired definitions in the Events Comment and Timer columns
215. ues do not affect any specific values defined for individual channels which are described in the next section Specific Values To define specific values for a channel click VENE on the channel tile Figure 5 24 which opens 8 the Parameters of Channel dialog Figure 5 25 Figure 5 24 Channel tile In the dialog selecting a Loc checkbox allows you to define a local or specific value for filter sensitivity highpass filter lowpass filter or signal color Deselecting the Loc checkbox returns the filter or color setting to the global value 106 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 Neurotravel Win Technical Manual 5 Review and Processing The On and Off option buttons in the dialog enable you to turn on or off the signal display an off channel is represented by a flat line Select the Loc checkboxes to set specific values 4 The underlined channel tile indicates that specific values are applied Click to turn the channel display on or off Cancel ae po ab ot Figure 5 25 Channel parameters After you specify local values and click OK in the parameters dialog the channel tile label is underlined to indicate that specific values have been applied Automatic Calculation Buttons Near the center of the Review control panel is a group of buttons related to the visualization of automatic calculations such a
216. ure 4 26 right the photostimulator operation follows a predefined protocol In this mode instead of the frequency selector the control panel contains indicators for the automatic protocol name session duration and flash frequency Mode toggle manual Mode toggle automatic toggle i of EN k xs E 2 Photostimulator Protocol Default fe 4 Freq 2 protocol T1090 s 5 He indicator a Duration Frequency Figure 4 26 Photostimulator controls in its two modes manual left and automatic right e Click the on off toggle the arrow button on the far left to start the photostimulator in either manual or automatic mode Click it again to stop the device 86 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 4 Acquisition and Recording For information about creating selecting and editing automatic photostimulation protocols see Photostimulator Command on page 208 Automatic Calculation Buttons In the upper middle of the Acquisition Channel __ 4 Spectral control panel is a group of toggle buttons spectrum brain maps related to visualization of automatic Coherence calculation features such as spectral brain A specira maps channel spectrum and coherence EP button is dimmed because unavailable spectra Figure 4 27 These features are useful for real time monitoring of critical M Figure 4 27 Automatic patients such as th
217. uring computer 28 Data File Path 40 hardware key drivers 31 Neurotravel Win 35 program manager 32 Sentinel SuperPro Medic 43 VideoEEG 47 installation CD serial number of 31 interrupt signal 80 isopleths 128 K Key Drivers Install 32 L Level Lines 134 Load Intervals command 115 Login dialog 41 M maximum spectral density uV 2 109 133 Measurements button Measurements palette 113 112 Measurements palette opening 111 comparing measurements making measurements menubar 59 menu items accessing 59 menus EEG 60 Help 62 Operations 61 Options 261 Patient 60 View 60 Windows 62 Misc Data pane 166 245 montage buttons patient record 162 Acquisition control panel 75 Additional Info pane 164 Review control panel 103 attaching files or documents 167 Montage command 197 Exams pane 165 AV1 AV2 and AV3 panes 201 Info pane 162 Channels pane 199 inserting anew 168 creating a montage 198 Misc Data pane 166 Parameters pane 198 Notes pane 165 montage statusbar 64 selecting 169 mouse use of 69 State pane 163 My Computer window 32 patient records deleting 176 editing 175 N printing 175 navigation bar 101 patient status bar 64 navigation controls 100 PCIslot 47 photostimulator Neurotravel files opening and closing xxii automatic mode 86 Neurotravel Win first start with 41 manual mode 86 cine Bs Photostimulator command 208 m creating a new protocol 209 manual organization xxi
218. ut these text boxes can also accept user defined values Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 4 Acquisition and Recording Global Values The filter selectors allow you to apply global values which means that they apply to all channels unless otherwise specified You can apply specific values to individual channels which override the global values for those channels In other words global values do not affect any specific values defined for individual channels which are described in the next section Specitic Values To define specific values for a channel click A on the channel tile Figure 4 12 which opens EE EN lim the Parameters of Channel dialog Figure 4 13 Figure 4 12 Channel tile In the dialog selecting a Loc checkbox allows you to define a local or specific value for filter sensitivity highpass filter lowpass filter or signal color Deselecting the Loc checkbox returns the filter or color setting to the global value The On and Off option buttons in the dialog enable you to turn on or off the signal display an off channel is represented by a flat line Select the Loc checkboxes Click to turn the channel to set specific values display on or off po E The underlined channel tile indicates that specific values are applied Figure 4 13 Channel parameters i ena TEN FEN FT ET RN aT T 2 vor
219. vents To make a hot key 1 Click in a Hot Key text box next to the desired Action name 2 Type the button to be linked to the function 3 Click OK to accept If you click the Default button the hot key configuration uses only the function keys listed in the upper part of the keyboard Note The hot keys for recording events work only during the recording mode not during acquisition or review because you cannot add events during acquisition or review System Users Window The 11th command in the Options menu is System Users which enables the System Administrator to create user profiles Neurotravel offers three different user access levels e Administrator Defines other operators and associated protection standards e Doctor Performs the EEG exam and writes the medical report e Technician Performs the exam but cannot write a medical report modify the protection standards These levels help prevent fraudulent access and ensure that the medical report signature is not false Only an Administrator can access the System Users window where you create edit or delete user profiles of personnel who are authorized to work with the Neurotravel database Caution Do not delete the Administrator account Remember to record the password in a secure place Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 213 9 Options Menu Choose Options gt System Users to open the System Users window
220. ver 5 41 1 32 bit on your computer To continue click Next Window 1 Cancel 1 Installing Neurotravel Win i Sentinel System Driver 5 41 1 32 bit InstallShield Wizard License Agreement Please read the Following license agreement carefully Rainbow Technologies Inc License Agreement IMPORTANT Read this before using your copy of Rainbow s software This document is a legal agreement between you either an individual or an entity and Rainbow Technologies Inc Use of the software indicates your acceptance of these terms As used in this License Agreement the term Software means the Rainbow software included on the media or hardware provided with this License Agreement 1 PROPRIETARY RIGHTS The Software is a proprietary product of 1 accept the terms in the license agreement OI do not accept the terms in the license agreement InstallShield lt Back wet Window 2 ig Sentinel System Driver 5 41 1 32 bit InstallShield Wizard x Destination Folder Click Next to install to this Folder or click Change to install to a differe nt Install Sentinel System Driver 5 41 1 32 bit to C Program Files Rainbow Technologies Sentinel System Driver InstallShield lt Back Next gt Window 3 i Sentinel System Driver 5 41 1 32 bit InstallShield Wizard Setup Type Choose the setup type that best suits your needs Please select a setup type
221. vers 23 Uninstalling Neurotravel Win 26 Configuring YourComputer 28 Installing the Hardware Key Drivers 31 Installing the Neurotravel Software 35 First Start with Neurotravel 41 Running Sentinel SuperPro Medic 43 Installing the VideoEEG Kit 47 Installation Troubleshooting 50 chapter 2 Process Overview Linear System Routine 53 Unfiltered Recorded Data 54 The Options Menu 55 chapter 3 Neurotravel Win Interface Basics The Neurotravel Window 57 Dialogs 66 Using the Mouse 69 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 Contents chapter 4 Acquisition and Recording Acquisition Control Panel 72 Record Toggle and Exam Recording 88 chapter5 Review and Processing Current Patient Review 94 Hard Disk Review 97 Archive Review 98 Review Control Panel 99 Data Processing 110 Print Review Button 119 chapter6 Automatic Calculations Amplitude Mapping 123 Spectral Brain Mapping 130 Channel Spectrum 138 Coherence Spectra 146 chapter 7 Function Tools Import and Export 151 Data Archive 153 Exam Deletion 158 chapter 8 Patient Menu The Patient Record 162 Inserting a New Patient Record 168 Selecting a Patient Record 169 Opening the Current Patient Exam List 170 Editing Patient Records 175 Printing Patient Information 175 Deleting Patient Records 176 chapter9 Options Menu Display Configuration 180 Print Parameters 187 Filter Configuration 188 Data Acquisition Configuration 189
222. view mode Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 5 Review and Processing Note Choose Options gt Acquisition to open the Data Acquisition Configuration window for the recorded data Figure 5 3 If a channel is not selected in the Acquired Electrodes pane its data will not be available for review Options Display C Aun Record time Event Montage Frequency Bands EP Schemes Photostimulator Hot Revs System Users System System Info Data acquisition configuration Data acquisition configuration Parameters Acquired electrodes Sample rate points per second Acquired Sampling rate _ 256 electrodes M Calibration voltage yu Calibration signal GE 4 All On As mortage Cancel Figure 5 3 Check the acquisition parameters by choosing Options gt Acquisition Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 93 5 Review and Processing Current Patient Review This option enables you to review recorded and archived exams of the current patient see Selecting a Patient Record on page 169 You can create view edit or delete exam information in this mode You can also generate reports of the recorded exams Choose EEG gt Current Patient List to open the Current Patient Exam List dialog which consists of the Exams List and Query panes Figure 5 4 If
223. w button A i VA f the peak of trace to move values from at left the Current to the vi Previous column Figure 5 34 Measurements palette 112 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 5 Review and Processing To perform a second measurement for comparison with the first one click the arrow button in the palette This moves the values from the Current to the Previous column Drag over a second area in the trace to highlight another portion The values from that measurement now appear in the Current column Figure 5 35 Measurements Ampl Time Freg d Measurements of Measurements of A the peak of trace the peak of trace in p t J at left Figure 5 34 Figure 5 35 Comparing two measurements Selecting Data With Neurotravel Win you can select data of interest and delete mark up or analyze the selection Deleting selections a feature available only in the review mode can save valuable disk space and ensure that most of the data for analysis are relevant and clean that is contain little noise The navigation bar see Figure 5 13 on page 101 is useful for finding events Once the area of interest is onscreen you can e Select a small region Press the Shift key while dragging over the area of interest onscreen The selection remains highlighted even if you make another selection allowing you to make multiple
224. xam List The selected patient s name is automatically displayed in the current patient status bar To review the current patient s exams choose EEG Current Patient to open the Current Patient Exam List window This window contains two panes Exams List and Query Figure 8 12 170 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 8 Patient Menu Current Patient Exam List X Exams List Query 3 1 21 2005 11 235 2 1 19 2005 2 29 30 ZUE MEW 1 1 19 2005 Z034 view Exam Info Edit Exam Info View Patient Info Ctrl I Edit Patient Info Delete Ctrl Del Exam Path Open in New Window Print Close Figure 8 12 Current Patient Exam List Exams List Pane The Exams List is arranged by recording date Scroll bars appear on the right border if the list is too long to display in its entirety In this case view the list items by using the mouse to drag the bars You can also scroll through the list by pressing an arrow key The Exams List tab includes the following columns e Number progressive number of patient s exam e Date recording date of exam e Time recording time of exam e Duration recording duration of exam Volume disk on which the exam is stored If the exam is still on the acquisition disk this field will contain the default value If the exam has been archived the field will show the label of the optical disk where the exam is
225. xt box to open a menu of frequency bands Figure 6 17 select the option that provides the desired number of maps and relative frequency for your analysis and click OK 9 Inthe Parameters pane select the minimum map size and map scale features the Level Lines are isopleths lines drawn on a map through all points of equal value of some measurable quantity see Figure 6 9 on page 128 134 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 6 Automatic Calculations 10 Choose a spectrum density estimator smoothed periodogram this nonparametric estimator which employs discrete Fourier transformation of the time series is the more common choice and is used mainly in spectral analysis systems autoregression this parametric estimator which uses a mathematical model that predicts the next variable based on the previous variable tends to be more precise because it focuses on a portion of the signal for example sharp peaks rather than the spectrum 11 Choose whether to display the points and labels of the electrodes on the maps by clicking the Points and Labels checkboxes in the Show electrodes section 12 Determine the interpolation setup by choosing the algorithm that interpolates the color on the maps kernel estimator a value that defines a statistical algorithm for interpolation that centers a kernel function at each datapoint and smooths out the contribution of each observed data
226. y active Figure 3 11 Patient status bar Figure 3 11 13 Lee Leila Wong You can hide this bar and the patient status bar by choosing Options gt System gt View and deselecting the Status Bar checkbox Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 3 Neurotravel Win Interface Basics Note that the patient status bar can display one patient name and the title bar can display a different patient name This is because the software produces two types of files patient and EEG The patient status bar is linked to the patient database archive and the title bar is linked to the exam database archive See Chapter 11 Data and Disk Management for more information To ensure that both status bars correspond to the same patient open an exam from within the desired patient record See Chapter 8 Patient Menu for information about how to access and edit patient files from the database Trace Area The trace area which occupies most of the window displays the acquired EEG signals scrolling from right to left Figure 3 12 Two vertical grids spaced either 15 or 30 millimeters apart and a horizontal grid spaced at each channel are available to enhance readability See Display Configuration on page 180 for more information Traces move from right to left in the window Figure 3 12 Trace area Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 65 3 Neurot
227. y tab ical Enter information for query Click on the Search button when ready Exams hom EMM to 7 B Fill in parameters qu C Click to initiate search Open in New Window Print Close Figure 7 13 Query pane 4 From the list of all exams that meet the search criteria right click on the desired exams and choose Delete from the resulting pop up menu Figure 7 14 x Exams Query Query PaenName No Date Durat D Chiang Jane Lisa MM 35 2 00 03 00 Frey Rachel Nikki 31 00 02 59 Frey Rachel Nikki v Query view p54 00 03 00 Frey Rachel View Ezun Infor CERO 48 00 03 00 Frey Rachel Nikki Edit Exam Info 42 00 02 59 Moore Mia Rosemei View Patient Info 27 00 02 59 Edit Patient Info Delete Ctrl Del Exam Path Open in New Window Print oen Close Figure 7 14 Query results 5 Click Yes to confirm the deletion and close the dialog 160 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 chapter 8 PATIENT MENU T he patient database is the central component of the Neurotravel Win software It is the repository of such confidential data as personal information exams performed exam results medical history and physician comments The Patient menu provides access to these data This chapter describes how to create a new patient record and how to view print or edit pati
228. yv Amm 4 Loc Label Pat Pgz LP Hz 50 i Lac Color HP Hz 02 Loc Lac A Figure 9 24 Specific values controls Specific values for the 24th channel To assign a specific value 1 Select a channel from the channel table 2 Inthe specific values section select a Loc checkbox Loc stands for local and click on the down arrow next to the value to open a pop up menu 3 Select a value from the pop up menu or type in your own value except for the color value where you can only choose from the available options 200 Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 9 Options Menu 4 Define other specific values for that channel if desired 5 Choose whether the channel is displayed or not by clicking the On or Off option button 6 Apply specific values to other channels if desired 7 Click OK To revert to a default value deselect the Loc checkbox AV1 AV2 and AV3 Panes The AV1 AV2 and AV3 panes Figures 9 25 9 26 and 9 27 allow you to create three different average references by clicking on the desired sensor s When clicked a sensor is highlighted with a bright color red To deselect a sensor as an average reference click the sensor again and it reverts to its original color black Figure 9 25 AV1 pane Neurotravel Win Technical Manual S MAN 200 WINC 001 March 31 2005 201 9 Options Menu Montage Default

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