PROGRESSIVE RATIO APPLICATION
Contents
1. Starting PR Type 1 Only Step Value Type 1 Only Step Frequency SoftCR Data Array Yes 1 No 0 In this example only 1 box is described in the Hardware Configuration so Figure 3 8 will appear next If more than 1 box is in the Hardware Configuration then Figure 3 9 will appear Figure 3 8 Send Start Command Screen for Single Box Configuration MED ASSOCIATES INC SOF 700RA 2 PROGRESSIVE RATIO APPLICATION Figure 3 9 Send Start Command Screen for Multiple Box Configuration In both cases Figure 3 8 and Figure 3 9 the screens are where the researcher decides to either load more boxes send a start signal to boxes that are already loaded or enter the MED PC IV run time environment without sending a start signal by selecting I am finished with the wizard This option results in the screen shown in Figure 3 10 Figure 3 10 The MED PC IV Run Time Screen MED PC IV File Configure View Macros Help sloje alale amp epi 2 ej Bos Subject Experiment Group Load Program 1 Subject 1 Experi 1 6 il 16 51 essive Ratio LeverCode 1 00 Reward 1 00 Reward Time 0 05 Time Out 0 00 Session Length 60 0C PR Type 1 00 PR Start 1 00 PR Step 1 00 PR Freg 1 00 SoftCR Code 1 00 SHOWS 11 15 mim gt 12 15 2008 4 54 47 PM File A Meee G4 Open Session Ctr O E MED ASSOCIATES INC SOF 700RA 2 PR2. 000 000 000 000 000 1055 000 000 000 000 000 000 H OOoOoOoooocoococococooo uoo 5 Wo NK SSCGCHHNAONTORZSHFPAGHROAAH o MED ASSOCIATES INC SOF 700RA 2 PROGRESSIVE RATIO APPLICATION A 0 1 000 1 000 5 000 0 000 60 000 5 1 000 3 000 1 000 1 000 1 000 B 0 8 000 3 000 5 000 C 0 0 500 85 600 0 500 12 600 0 500 iEn 77 600 0 500 18 600 0 500 53 600 10 0 500 161 100 0 200 140 100 135 100 15 0 200 X 0 1 000 2 000 3 000 4 000 5 000 5 6 000 7 000 8 000 10 000 12 000 10 14 000 16 000 18 000 20 000 22 000 Ler 24 000 28 000 32 000 36 000 40 000 20 44 000 48 000 52 000 56 000 64 000 25 72 000 80 000 88 000 96 000 104 000 30 112 000 120 000 128 000 136 000 144 000 35 3 152 000 160 000 168 000 176 000 184 000 40 192 000 200 000 208 000 216 000 224 000 45 232 000 240 000 248 000 256 000 264 000 50 272 000 280 000 288 000 296 000 304 000 55 312 000 320 000 328 000 336 000 344 000 60 352 000 360 000 368 000 376 000 384 000 65 392 000 400 000 408 000 416 000 424 000 70 432 000 440 000 448 000 456 000 464 000 Breakdown of Sample File Simple Variables The following simple variables are shown immediately following the header information D 0 375 D x 100 Percent Correct Responses E 0 625 E x 100 Percent Incorrect Responses F 2 000 Total Rewards G 0 000 Not Used H 0 000 Not Used I 16 000 Subscript for the IRT Array C J 0 000 Not Used K 0 000 Not Used L 0 000 Ratio
3. 13 Chapter 4 EE TEE 14 Understanding the Data 65 14 Sample Data Elezioni d tae Pn ei taret De LE DR n 14 Breakdown of Sample File Simple Variables ssssss se 15 Breakdown of Sample File Arrays memememee e 16 Array A Raw Data reete ol a 16 Array A WIth EDIDIT 16 Array B Raw 17 Array C SoftCR Pro Datacenter ves bees D usted taddd 17 Array C with Labels olestie dn tena eile dte Feste diede dau Raider ale n Ea 17 Array X array with assigned values sssssssssseee mene 18 Chapter e 19 SOftCR Procura 19 Lenin 19 Control Code Comporietits 5 5 adse ides doe ERE HR RUE T FUE 19 Data Element Format iiie ien ete Riese vs wed pui ke remp a ence i nn RP E 19 Example of SOTECR PEO abel za st GR t i a ted rue t Cu a d Ru 21 MED ASSOCIATES INC SOF 700RA 2 PROGRESSIVE RATIO APPLICATION CHAPTER 1 Getting Started Introduction The purpose of this manual is to give an explanation of the MED State Notation Procedures that comprise the SOF 700RA 2 Progressive Ratio Procedures The files in this package can be found on the
4. Box Time 11 24 20 End Time essiveRatio 94 zi a J T 0 00 00 00 0 00 01 15 0 00 02 30 0 00 03 45 0 00 05 00 a E o LI 1 1 1 L L 1L 1 a a Ready NUM oa al ie
5. FLUSH The file name that is used to save the data in depends on the option that was chosen in the Hardware Configuration Utility and may also be dependent on the Subject Experiment and Group name provided in the MED PC IV load wizard Within each data file the headings are created for each Subject Experiment Group Box etc see below Data files may be opened with note pad word pad or any word processor or spreadsheet however be sure they are always saved unformatted in case a data extraction utility such as MED PC to Excel might ever be used Data file formats are explained in detail in the MED PC IV User s Manual Sample Data File Select Annotated on the file options page during hardware installation to produce a raw data file similar to the following Data files are located in C MED PC IV Data unless an alternate path was defined during hardware installation They may be opened with note pad word pad or any word processor however make sure they are always saved unformatted in the occasion a data extraction utility such as MPC2XL is used The header information should be self explanatory Data file formats are explained in detail in the MED PC IV User s Manual File C MED PC IV DATA 2004 03 10 Start Date 03 10 04 End Date 03 10 04 Subject 1 Experiment 1 Group 1 Box 1 Start Time 10 16 13 End Time 10 19 11 MSN Progressive Ratio D 375 625 000 000 000 000 000 000 000 000 000
6. PC Run Time Screen shown in Figure 3 9 If the choice to continue with the Loading Wizard is made then click the Next button MED ASSOCIATES INC SOF 700RA 2 PROGRESSIVE RATIO APPLICATION The Box Selection screen will appear next as shown in Figure 3 3 From this screen the researcher chooses which boxes will be used in the experiment Select the boxes that will run the experiment by clicking in the radio button next to the box number The figure shows that the Hardware Configuration included only 1 box which was selected Click Next to continue Figure 3 3 The Box Selection Screen The Select a Procedure screen appears next as seen in Figure 3 4 This is where the application to be run is selected The screen displays a list of all the currently compiled procedures Select the desired procedure and then click Next Figure 3 4 The Select a Procedure Screen PROGRESSIVE RATIO MED ASSOCIATES INC SOF 700RA 2 PROGRESSIVE RATIO APPLICATION The Enter Experiment Data Screen should display next as shown in Figure 3 5 The purpose of this screen is to allow annotations to be added to the data file that is produced by MED PC IV These annotations will help identify the Subject Experiment and Experiment Group upon which data was collected Comments can be added here as well and the data file can be given a customized file name to help identify it from other data files Enter the information desired and click Next
7. 00 18 600 0 500 53 600 102 0 500 161 100 0 200 140 100 135 100 15 0 200 Array C with Labels 0 C 1 2 3 C 4 Row SoftCr is Response Response Marker Activated Incorrect PECEREN DOWN Incorrect SEL EEN DOWN 0 0 500 86 100 0 500 12 600 0 500 C 5 6 C 7 C 8 9 Row Response Response Response Marker Incorrect Incorrect PERREN DOWN Incorrect 5 77 600 0 500 18 600 0 500 53 600 C 10 C 11 C 12 C 13 C 14 Row Marker Set Pen Down Response Correct Reinforcement Response Correct Response Correct 10 0 500 161 100 0 200 140 100 135 100 C 10 Row Marker Reinforcement 15 0 200 Array X array with assigned values Sample file contains X array with assigned values This array is declared with LIST command on line 83 of Progressive Ratio mpc file Every sample file will contain this array with the same values CHAPTER 5 SoftCR Pro Each Operant Conditioning Laboratory procedure stores IRT data in array C that may be used by the SoftCR Pro Cumulative Recorder program to generate a graphical record on screen or to print a Cumulative Record after the data has been collected Each element in this Cumulative Record data array consists of two components The integer value or value to the left of the decimal point is the time component The decimal value or value to the right of the decimal point is a SoftCR Pro code component Time Components Time components may be Relative or Absolute Ina Relative file the t
8. Count M 0 000 Not Used N 0 000 Not Used O 0 000 Not Used P 0 000 Not Used Q 0 000 Not Used R 0 000 Not Used S 173 000 Elapsed Time in Session T 1055 000 Elapsed Time in 0 01 second Increments for SoftCR Data U 0 000 Not Used V 0 000 Reward Count Between Ratio Changes W 0 000 Not Used Y 0 000 Not Used Z 0 000 Subscript for List X The L variable holds current number of presses from the correct lever which gets compared to the ratio value If ratio value has been met L gets reset to 0 V holds the value for how many times current ratio has been rewarded and is also reset to 0 when ratio is incremented Breakdown of Sample File Arrays The arrays are presented in rows of 5 elements each The first row begins with element 0 and ends with element 4 the second row begins with element 5 and ends with element 9 etc Each row begins with an element marker followed by a colon 0 5 10 15 20 25 30 etc Size of Array C was set to 10000 with the DIM command which means that Array C was defined for 10001 data points Under MED PC Version IV this array may be enlarged up to 1 million elements however 10 000 was felt to be adequate for this application An end of array seal 987 987 will limit the saved file to only those elements used during the running of the procedure Each array has been defined in the comments section at the beginning of the mpc file That information was used to add th
9. Figure 3 5 Enter Experiment Data Screen Subje ct Subject_1 Experiment Experiment 1 Grup ei Comments PR Expeimen Optional Custom Filename PR_Subject _Grouptl The next screen to appear is the Review Choices screen as seen in Figure 3 6 This is a method of confirming that the information received from the Box Procedure Selected is correct If it is not correct select Previous and edit the data If it is correct select Next Figure 3 6 Review Choices Screen Review the data below Box 1 Procedure PROGRESSIVE RATIO Subject Subject_1 Experiment Experiment_1 Group Group 1 Comment PR Experiment Filename PR Subjectl Groupl Click Next to finish loading the box or Previous to correct errors i MED ASSOCIATES INC SOF 700RA 2 PROGRESSIVE RATIO APPLICATION The Alter Session Parameters Screen shown in Figure 3 7 is the next screen to appear and is an important screen for the researcher The Alter Session Parameters screen allows the researcher to alter the parameters by which a procedure executes The Send Start Command Screen appears next The options available on the screen vary depending upon how many boxes are described in the Hardware Configuration Figure 3 7 Alter Session Parameters Screen Correct Lever Left 1 Right 2 Reward Pelletz1 Dipper 2 Drug 3 Reward Time sec Time Out Following Reward sec Session Length min Type of PR Step 1 List 2
10. OGRESSIVE RATIO APPLICATION Viewing Changing Variable Values Before a start command has been issued any variable may be changed on the MED PC IV run time screen Simply highlight the value to change and then enter the new value Once a session is in progress change variables by selecting Configure Change Variables or click the 4th tool bar item AX In the lower left hand corner of the Change Variables window find the Display Data from Box display and choose the chamber s to modify By clicking additional boxes in the Additional Boxes to Update section changes made to a single box are automatically loaded to all of the selected boxes Figure 3 11 Changing Variables Screen Displaying Variables from Box 1 A Array B Array C Array er ee 00 Named Vars F G H k J Vars 0 000 0 000 0 000 0 000 0 000 K d M N 0 0 000 0 000 0 000 0 000 0 000 Refresh P Q R 8 T 0 000 0 000 0 000 0 000 0 000 Issue U W Y 0 000 0 000 0 000 X Array 0 000 Close E 0 000 A Help Display Data from Box Additional Boxes to Update D from Box 1 ot E 0 000 Select All Deselect All The value of any simple variable may be viewed from this screen by clicking an array on the table and each element in that array can be viewed as shown in Figure 3 12 To change a value simply highlight and replace the value in the lower right hand box or use the up down arrows to increment by 1 Click t
11. PROGRESSIVE RATIO APPLI CATION MED STATE NOTATION PROCEDURE SOF 700RA 2 Manual DOC 022 Rev 1 2 Copyright O 2008 All Rights Reserved MED Associates Inc P O Box 319 St Albans Vermont 05478 www med associates com Trademarks MedState Notation MED Associates Inc Registered Trademark MED PC MED Associates Inc Delphi Borland International Inc MED ASSOCIATES INC SOF 700RA 2 PROGRESSIVE RATIO APPLICATION TABLE OF CONTENTS Le 1 erue etm i o LEE 1 EROGU CUIOM si LEE 1 Overview of the Procedure ec cece renee enna ea enne 2 e plged 3 Getting Started uiu xe voli iem eise e Ep ed as Pec ee eed eta Lads ie ENDE E E de 3 Software Installation eee nene nnne ene 3 Backing Up the SoftWare soar rtm recrear ne a P o En 3 ee Mn MM IE ux Ux M ux INR reer MEM errr 4 Beginning Running an Experiment ssssssssee emen 4 Translating The MED PC IV mpc memes 4 Using the MED PC IV Load Wizard cece ene eene 5 Viewing Changing Variable Values sss Hmmm 10 rrr aii a 12 Modifying the MedState Notation
12. cular type of interface card that is supplied in the interface cabinet may vary please refer to the User s Manual provided for instructions on how to configure the type of card that is in the cabinet A valid Hardware Configuration must exist in order for MED PC IV to interface correctly with the MED Associates Inc hardware This means that one should take the time to create a valid Hardware Configuration before attempting to run the procedures included in this package Should there be any problems the staff at MED Associates Inc is available to answer any questions that may arise Please e mail us at support med associates com with a detailed description of the problem or desired goals so that concise and detailed information may be provided The Progressive Ratio procedures are designed to be as easy to use as possible MED Associates Inc understands that researchers do not have the time to devote to programming and hardware design and for that reason we have undertaken that burden for you We sincerely hope that you are satisfied with the products and services we provide and look forward to meeting your future experimental needs as your research program evolves Overview of the Procedure The test animal is required to respond on the specified lever on a progressively increasing ratio schedule The ratio may be set to increase after each reward or after multiple rewards The subject is rewarded when the ratio is met A time out fo
13. disk provided by MED Associates Inc These procedures are intended to be run in MED Associates MED PC IV software The latest version of MED PC IV gives researchers the ability to use pre programmed procedures such as these to make hardware control and data collection easy These pre programmed procedures can also be modified to meet the evolving demands of a research protocol Again it is the intent of this manual to explain exactly what these procedures implement and provide guidance into how to interpret what the program code achieves in order to let the user determine how to modify them to match their research protocol demands The manual provides some examples of editing and modifying the procedure s programming code The manual also defines the elements in the raw data file produced by these procedures In addition to this manual refer to the MED PC IV User s Manual for the installation of the MED Associates interface drivers the MED PC IV Software and the Delphi Compiler Also refer to the User s Manual for instructions on developing a Hardware Configuration Data file structure file saving format and other related options are also determined by the Hardware Configuration Running the Hardware Configuration software utility that accompanies MED PC IV sets the Hardware Configuration Its purpose is to assign the inputs and outputs on the interface cards in the interface cabinet for each task controlled by MED PC IV The parti
14. e default PR Frequency is set to one which increases the ratio after each reward By default the lever presses and rewards are recorded in the C array for later viewing in Med Associates Soft Cumulative Recorder SoftCR Pro Correct lever presses are recorded as steps rewards as pips and incorrect lever presses as event zero pens CHAPTER 2 Getting Started Software Installation Please refer to the MED PC IV User s Manual for a complete guide to installing the MED PC IV software building a valid Hardware configuration with the Hardware Configuration utility and opening and compiling a MSN procedure in the Trans IV utility To install the Progressive Ratio Procedure insert the CD into the CD ROM drive and click Install the Progressive Ratio Software The Progressive Ratio procedure is copied into the C MED PC IVAMPC folder Backing Up the Software Med Associates strongly encourages creating backup copies of the programs in case of disk failure Having copies of the original programs may be useful in the future should modifications be made to the existing programs CHAPTER 3 Beginning amp Running an Experiment Translating The MED PC IV mpc File Programs written in MedState Notation must be translated using Trans IV before they can be executed in this application Be sure that a copy of the file being translated is present in the directory C MED PC IV MPC Open Trans IV icon and select Translation Trans
15. e following labels to each array The lines were expanded to make room for the labels See MPC2XL for producing labeled data files with all or just some of the information below Array A Raw Data Array A contains the control variable values The values are preset to default values in State Set 1 State 1 They are displayed as named variables and can be changed by any of the methods described previously Once a session is started these values should not be changed to insure the integrity of the experiment A 0 1 000 1 000 5 000 0 000 60 000 53 1 000 3 000 1 000 1 000 1 000 Array A with Labels A 0 A 1 A 2 A 3 A 4 Row Correct Lever Reward Reward Time Time Out Session Time Marker 0 1 1 5 0 60 A 5 A 6 A 7 A 8 A 9 Row f SoftCR Data Marker Type of PR Starting PR Step Value Step Frequency Array 5 1 1 1 1 1 Array B Raw Data Array B is used for the working variables that may change as the session runs Elements for Correct Responses Incorrect Response and Total Responses will be incremented according to animal s responses as session runs 0 8 000 3 000 5 000 Array B with Labels rm B 0 B 1 B 2 Marker Total Responses Correct Responses Incorrect Reponses 0 8 3 5 Array C SoftCR Pro Data Array C contains summary information for SoftCR Pro The value of every variable conforms to the Data Element Format described in the SoftCR Pro chapter of this manual C 0 0 500 85 600 0 500 12 600 0 500 53 77 600 0 5
16. hanging the Step Frequency to 5 To begin open MED PC IV and going directly to the run time screen Close the load wizard if present Before loading or opening the procedure click Macro on the main menu and select Turn On Macro Recorder or click the 8th tool bar item with the cassette tape icon on top A note on the bottom of the display indicates that the recorder is running Open Progressive Ratio mpc by clicking Files Open Session Change the variables using any of the methods described above When all settings have been made turn the recorder off again by using the main menu or tool bar Save the macro with a distinctive name The example in Figure 3 14 was named PR StepFreq 25 mac since the Step Frequency was changed to 5 Figure 3 14 PR StepFreq_5 mac P PR StepFreq 5 MAC Notepad DER File Edit Format View Help LOAD BOX 1 50810 0 GROUP oy PROGRAM PROGRESSIVE RATIO SET Step Frequency VALUE 000 MAINBOX 1 BOXES 1 Once this macro is built use the macro editor to make simple changes such as replacing reward or correct lever values Review the Help file on screen or the MED PC IV User s Manual for more information on macros and the features offered A START command or message box followed by a START command could be added to the macro it was left off here so changes could be verified before starting the procedure N MED ASSOCIATES INC SOF 700RA 2 PROGRESSIVE RATIO APPLICATION Modifying the MedS
17. he Issue button for the change to take effect Click Named Variables to produce the display in Figure 3 13 Change variables here as needed 10 MED ASSOCIATES INC SOF 700RA 2 PROGRESSIVE RATIO APPLICATION Figure 3 12 Displaying Array A from Box 1 Displaying Array A from Box 1 Aft Al2 A S A 4 5 Named Vars Vars Refresh Issue Close S Help 0 from Box 1 1 000 A Additional Boxes to Update 1 Select All Deselect Al Figure 3 13 Displaying Named Variables from Box 1 Displaying Named Variables from Box 1 Correct Lever Left 1 Right 2 1 Named Vars Reward Pellet 1 Dipper 2 Drug 3 1 000 Reward Time sec 0 050 _ Time Out Following Reward sec 0 000 Refresh Session Length min 60 000 m Type of PR Step 1 List 2 1 000 Starting PR Type 1 Only 1 000 Close Step Value Type 1 Only 1 000 Help nol Additional Boxes to Update 1 Select All Deselect All sis MED ASSOCIATES INC GOF 700RA 2 PROGRESSIVE RATIO APP CATION MED ASSOCIATES INC SOF 700RA PROGRESSIVE RATIO APPLICATION Macros The simplest way to initially create a macro is to record keyboard functions while performing the steps manually Once the commands are in the macro it is easy to create a number of macros with the macro editor The following example illustrates the process of loading Box 1 and c
18. ime component of a given data element is equal to the elapse time since the previous element In an Absolute file it is equal to the elapse time since the beginning of the Record The elements used in Progressive Ratio are all Relative with a resolution of 0 01 seconds 10 milliseconds For example if array C contained just two elements 350 1 and 330 1 the record would consist of one Response Step at 3 5 seconds 350 0 01 and a second Response Step 3 3 seconds later at 6 8 seconds on the X Axis Control Code Components The control code component indicates whether the element is a Response Step Reinforcement Pip Pen Reset Event Pen Up or Event Pen Down element Up to 10 Event Pens 0 9 and 10 Trace Pens 0 9 may be specified in MED PC In addition Resets may be made with the Pen Up no vertical tracing or Down Additional coded information may be possible in the future Data Element Format Each data element must conform to the following format nnnnn xyz Where nnnnn Time Component xyz Control Code Component x Datum Type y Datum Index z Don t Care Digit NOTE If there are more then three numbers past the decimal point then the array will be considered invalid and will be ignored by SoftCR Pro Allowed datum types and indices are nnnnn lyz Response or Step y Index 0 9 for Multi Trace Files NULL for Single Trace Files nnnnn 2yz Reinforcement or Pip y Index 0 9 for Multi T
19. late and Compile Select the program s to use for the experiment and click Make Click OK to start the translator and it will automatically parse the MedState Notation and then open to a DOS screen to compile the Pascal code Depending on the speed of the computer each of these steps may not be seen If any problems are encountered during this process refer to the on screen help menu or the MED PC Version IV User s Manual or contact MED Associates Inc for assistance Figure 3 1 Trans IV Control Panel for Translating and Compiling MedState Notation Code ih Specify Files to Translate Progressive Ratio mpc Build No Trans Exclude J OK X Cancel Help MED ASSOCIATES INC SOF 700RA 2 PROGRESSIVE RATIO APPLICATION Using the MED PC IV Load Wizard MED PC IV is designed to help the researcher run an experiment by guiding selection choices through its Experiment Loading Wizard This section will describe how to initiate the Progressive Ratio mpc application however the following steps that will also apply to all other mpc procedures Open MED PC IV and the MED PC Experiment Loading Wizard s Welcome screen shown in Figure 3 2 will appear Figure 3 2 The MED PC IV Loading Wizard Welcome Screen To avoid this load wizard deselect the checkbox labeled Run this experiment automatically when starting MED PC Close this screen by clicking the Close button Closing this screen immediately reveals the MED
20. llowing the reward may be implemented The session ends based on time Correct and incorrect lever presses are counted and the percent correct and incorrect are calculated at the end of the session The correct lever should be set to 1 for left or 2 for right The default is set to left lever The reward should be set to 1 for a pellet 2 for a dipper presentation or 3 for a drug infusion The default is set to pellet The reward time specifies how long in seconds to activate the reward Pellet dispensers only need a 0 05 second pulse to activate A dipper presentation or drug infusion may be set to longer times as required If desired a time out in seconds following the reward may be implemented If it is not wanted set the time to zero seconds Lever presses made during the time out are not counted The default session time is 60 minutes This value is set in minutes The type of progressive ratio PR may be specified as Step or List If the progressive ratio is a Step type the Starting PR Value and Step Value must be specified too The ratio starts with the Start PR Value and is incremented by the Step Value each time the PR Frequency is met The List progressive ratio pulls the ratio values from the X list The list may be modified to any sequence desired see Modifying the MedState Notation Code The progressive ratio may be set to increase after each reward or after multiple rewards Th
21. race Files NULL for Single Trace Files nnnnn 3yz Unused nnnnn 4yz Unused nnnnn 5yz Set Event Pen To Level 0 Down or at baseline where y Event Pen Number 0 9 nnnnn 6yz Unused nnnnn 7yz Unused nnnnn 8yz Unused nnnnn 9yz Unused Data in the array being plotted that does not conform to the above rules will be ignored MED ASSOCIATES INC SOF 700RA 2 PROGRESSIVE RATIO APPLICATION Example of SoftCR Pro Figure 5 1 is an example of what a Progressive Ratio schedule will look like in SoftCR Pro after an experiment is run The red line records a Step for every correct response that is made A reward is recorded as a Pip or a hash mark on the red line The black lines at the bottom of the screen are called Event Pens and can be used in a variety of ways for a number of purposes The black line can go up and down creating quick Spikes like the ones seen here or long plateaus that represent certain periods of time during an experiment Here the Event Pen 0 records a Spike for every incorrect response that is made Event Pen 1 records plateaus for Time Out times if applicable Figure 5 1 Example of a Progressive Ratio Schedule Shown in SoftCR Pro SoftCR Pro 2008 12 16 DSR 52 File Preferences Plot View Window Help 5 Dg c 9 P 6 08 2240 X Experiment Start Date 16 08 File C MED PC IMDATAV2008 12 16 Subject t 0 Start Time 29 40 Source Code 67 647 Group End Date Comments
22. tate Notation Code Permanent changes to the Progressive Ratio procedure can be made to the MedState Notation code To make the same change to the Step Frequency as shown above do the following Open Trans IV and select File Open to place Progressive Ratio mpc into the text editor Scroll down to approximately line 114 note the line counter in the lower right hand corner of the editor to reveal the code shown in Figure 3 15 Figure 3 15 Progressive Ratio mpc Lines 114 ES TRANS IV C MED PC IV MPC Progressive Ratio mpc S File Edit Search Options Translation Window Help TATA AAA A AAA AAA AAA AAA AAA AAA AAA AAA AAA AAA AA AAA AAA AAT AT SET A CorrectLev Reward 1 1 Ai RewardTime D A SessionTime 1 1 60 A PRType 1 A StepFreq SET A TimeOut SET A StartingPR SET A SoftCR A StepVal 52 Change A StepFreq 1 to A StepFreq 5 and save the changes with the same or a new file name such as PR_StepFreq_5 mpc Remember if creating a new mpc file name and are using a macro to load boxes the file name in the macro also must be changed Translate and compile the new or changed file as described previously and run MED PC IV Use the Change Variables screen to view confirm the new values CHAPTER 4 Understanding the Data Files Unless otherwise specified data will be saved to C MED PC IV DATA Data can be saved manually by selecting FILE SAVE DATA MANUALLY or FILE SAVE DATA
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