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eSense Skin Response User Manual

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1. iPod touch in vertical format www mindfield de www mindfield biosystems com eSense MINDFIELD BIOFEEDBACKSYSTEM MINDFIELD BIOSYSTEMS Same values E Plus a ae 64 m TO Teit Minimum Differenz Min Max like in vertical aN ges Ee uS 4 62 uS Stop aia ane stop oft the fo rm at Akt Wert Maximum Durchschnitt 60s reco rd l ng 14 65uS 16 62uS 13 48 uS A Moveable AE ba training Ne thresholds for the color gradient green to red Sweep your finger over the display to change between the horizontal format and the animation Double tap on the animation to maximize it 14 00 20 00 1100 40 00 60 00 Display on iPhone iPod touch in horizontal format a E Plus Zeit Minimum 250 20 Sec 5 74 uS Akt Wert Maximum 5 76uS 11 65yS 11 34 100 E Differenz Min Max Durchschnitt 60s P 6 95 uS Display on iPhone iPod touch in horizontal format Zeit Minimum 10 20 Sec 0 43 pS Akt Wert Maximum 0 44uS 0 44yS 0 44 uS 73 loa 16 12 Differenz Min Max 0 01 yS Durchschnitt 60s Werte versenden Standardvideo Eigenes Video Hilfe Indicator for rising or falling values Time scale in seconds Falling skin conductance keeps the animation going while rising values will stop it You want to bring your skin conductance down so keep the animation going Tap on Custom Video to choose your own video
2. an on Default Video to return to the standard video www mindfield de www mindfield biosystems com eSense MINDFIELD BIOFEEDBACKSYSTEM MINDFIELD BIOSYSTEMS a E Plus 11 35 100 SE Click on Werte eSense versenden send After stopping a recording you 10 00 can transfer the MOT ELD BRNCEDOACR YIM values to send a CSV measured comma separated value values via e file to your personal or mail You need 8 00 i any other email i Werte versenden The file can be processed account in your OS for this Teit l in Microsoft Excel or T 8 00 296 40 Sec Open Office Akt Wert 5 values per 8 12 uS second are _ Minimum saved to a CSV a 5 70 yS file where every l line is a value aeons so 5 lines 11 65 ys correspond to 6 00 Differenz Min Max one second of 9 96 US measurement Durchschnitt 60s 7 13 uS 5 00 at E Plus 14 16 54 m Abbrechen eSense Skin Response 16 05 2012 14 16 E An Kopie Blindkopie Von Betreff eSense Skin Response 16 05 2012 14 16 Die gemessenen Werte befinden sich in Form einer CSV Datei im Anhang If you are using an iPad all functions described above are displayed on a single screen The functionality itself is identical www mindfield de www mindfield biosystems com
3. BIOFEEDBACKSYSTEM MINDFIELD BIOSYSTEMS 3 You should neither tape the electrodes too firm where you would block blood circulation nor too weak letting them slip and move around Put your hand down onto a comfortable support where it can rest calm and relaxed 4 Start the application and have a first glance on the values If they are below 1S the electrical contact through the clip is bad or your skin is very dry and eventually callused Check the contact clips or change your hand or the position of the electrodes if necessary 5 In comparison with other biofeedback techniques you will need fewer sessions for a reliable success 6 10 sessions should be sufficient To keep focused throughout the entire session you should limit session length to about 15 minutes If you start feeling tired while training you should shorten your sessions and practice more often instead www mindfield de www mindfield biosystems com MINDFIELD BIOSYSTEMS 6 For the interpretation of the measurement we distinguish between tonic and phaseal effects The tonic component is the longer term average of skin conductance and its development during one session Values for the tonic level can vary between 1 to 15 uS depending on the individual and the situation In contrast rapid changes fluctutations of skin conductance often caused by a sudden stimulus but also appearing spontaneously are the phaseal component of the skin r
4. measurement relies A scientific theory for this effect assumes that our ancestors needed it to have a firmer grip on things for example in a flight or pursuit through difficult terrain When the threatening situation is over the parasympathetic nervous system becomes dominant Pulse blood pressure and glucose level are falling The body enters a rest state to allow recuperation and the hands become dry again The increased activity of the perspiratory glands through a stress stimulus is easily visible through the associated increase in skin conductance The stimulus can be mental or emotional strain or taking a sudden deep breath or a startling action like someone unexpectedly clapping his hands Just try it with the eSense you will easily see the effects Stress and its vegetative symptoms can be greatly reduced through biofeedback training where you intentionally work on lowering your skin response How to use skin response in biofeedback training Skin response is a quite universal tool for biofeedback training It is widely used in the therapy of anxiety panic disorders and specific phobias Further fields of use are high blood pressure tinnitus and sleep disorders If you suffer from a serious disorder or medical condition always consult a professional physician or therapist and do not attempt a treatment on your own The eSense Skin Response is not a medical device and may only be used for stress reduction training Measuremen
5. repeat it if you feel you had an unusual day a As amore challenging transfer exercise exert stress stimuli on yourself like in third Stage but this time without the aid of the feedback Try to maintain your calm and relaxation and check afterwards if you succeeded Have you been able to keep your skin conductance comparatively low and limit the amount of fluctuations even without the immediate feedback If you re able to do this and your baseline has also dropped in comparison to the first stage you have successfully completed the stress reduction training When you encounter stress situations in everyday life recall the training situation and use your new skills to stay relaxed www mindfield de www mindfield biosystems com j eSense MINDFIELD BIOFEEDBACKSYSTEM MINDFIELD BIOSYSTEMS How does the eSense Skin Response App work E Plus 54 m Start and stop of the eSense recording process 20 00 APG LO SSL iE oe Momentary value Moveable training Vv lt 4 Indicator for rising or thresholds for 13 falling values the color Zeit g gradient 157 40 Sec Time elapsed Akt Wert green to red Momentary value 8 13 63 pS 10 00 Minimum Overall minimum Maximum 17 61ys lt Overall maximum Scale for skin Differenz Min Max Last 60 second s average 17 03 pS value Durchschnitt om A 14 92 uS Instructions and help o conductance 5 00 uS Display on iPhone
6. smallest effects The training can reduce the tonic level of skin conductance and the immediate reaction to stimuli c Both the intensity of a stimulus and its subjective significance will influence the amplitude of the consecutive skin response The stimulus can be internal in nature thoughts memories and emotions or external images sounds and events Inevitably it will happen to you that you feel unable to relax for example because of negative thoughts If you notice a rising skin response as a result try to bring it down again Taking a deep breath brings up the skin response as well so try to bring it down again d The second stage is about lowering the tonic level of skin conductance and bringing it down after a stimulus So you re training to lower your general stress level as well as your ability calm yourself down after a stressful situation www mindfield de www mindfield biosystems com eSense MINDFIELD BIOFEEDBACKSYSTEM MINDFIELD BIOSYSTEMS 10 Third stage deliberate provocation relaxation and stress copin a We will now actively use stress stimuli stressors to improve your ability to deal with them Because of its immediate feedback and sensitivity skin response is particularly useful tool to work with direct provocation It helps to know that the amplitude of the skin reaction is proportional to the intensity of the stressor b The training begins with a period of rest so start t
7. e you can already find dependencies between the objective measurement and your subjective feelings of relaxation or excitation If you find no connection Don t worry you surely will during the sessions to come Keep notes on the general level of the curve and the approximate number of fluctuations per minute in order to know your initial training Status Keep in mind that your daily condition can affect the measurement You can send the measured values to your email address using the respective function of the application c If you find your skin conductance continuously rising without any reason you may have attached the electrodes too firmly making you sweat beneath At this point the humidity should be directly noticeable If necessary dry your hands and reattach the electrodes with a little more slack 9 Second stage Targeted Biofeedback training with the skin response a The second stage consists of multiple sessions These sessions should always follow the following scheme You shall now exercise conscious relaxation with the feedback signal b Start the measurement and watch the values for a while Then try to bring them down through active conscious intervention There are many ways to do this like breathing in a controlled and calm pattern techniques of muscle relaxation or autosuggestion The exact way is up to you your knowledge on relaxation and your will to experiment The device gives you real time feedback of even the
8. eSense MINDFIELD BIOFEEDBACKSYSTEM MINDFIELD BIOSYSTEMS Skin response Skin response also known as galvanic skin response GSR electrodermal response EDR or skin conductance SC is a measurement method based on bio electrical properties of the skin The eSense Skin Response applies a very small safe and unnoticeable electrical voltage and resulting electrical current to the skin Through the changes of this small current we can measure the activity of the perspiratory glands of the skin far below the threshold of self perception In terms of physics skin conductance is measured in Siemens or shortly uS where u denotes a millionth and Siemens is the unit of conductance Skin resistance is also a common term simply denoting the inverse of conductance The activity of the perspiratory glands is determined by the autonomic nervous system which contains two major subunits the parasympathetic nervous system and the sympathetic nervous system The perspiratory glands of the skin are solely controlled by the sympathetic nervous system making them a good indicator for inner strain and stress The sympathetic nervous system reacts to stress stimuli by activating all the emergency functions of the body bringing it to a state of heightened responsiveness Pulse and blood pressure are rising along with the glucose level in the blood and general alertness With these changes comes the effect of wet hands on which our
9. esponse The stimulus causing a phaseal effect can be internal thoughts memories and emotions or external images sounds and events 7 In a state of heightened excitation both the general tonic level and the rate of spontaneous fluctuations is increased With low excitation and rest comes a lower tonic level and fewer spontaneous fluctuations Example situation for rising excitation m E Plus 14 12 56 m Zeit Minimum Differenz Min Max 88 80 Sec 13 02 u5 2 94uS Akt Wert Maximum Durchschnitt 605 15 02 yuS 15 95yS 14 17 uS 19 00 14 00 40 00 60 00 60 00 Example for a consecutive rest phase a E Plus 11 33 100 Zeit Minimum Differenz Min Max 172 80 Sec 7 18 uS 447uS Akt Wert Maximum Durchschnitt 60s 7 18uS 11 6599 8 75S 11 00 10 00 9 00 120 00 140 00 160 00 www mindfield de www mindfield biosystems com eSense MINDFIELD BIOFEEDBACKSYSTEM MINDFIELD BIOSYSTEMS 8 First stage observe and experiment determine your initial status a Record your baseline state for 10 minutes at rest without influencing the measurement Relax as best as you can and do not watch the measured values as it would compromise a true baseline measurement b Have a look at the complete curve and its average tonic level Does it rise or fall in certain phases or is the general level constant throughout the measurement How would your judge your ability to relax during the exercise Mayb
10. he measurement and relax for a couple of minutes c Now a selective stressor should be applied This can be a certain thought sound or image with a negative connotation Almost every person knows certain things or situations that cause distress for him or her As an example If you have trouble speaking out loud before a larger group of people try to imagine the situation and hold a speech before them Under the influence of such a stressor you are likely to see a surge in skin response Try to relax to bring it down again and reduce the spontaneous fluctuations d Alternate phases of relaxation and stress stimuli during the session After three or four rounds you should finish the session with a relaxation phase Don t overstrain yourself Perform multiple sessions over a longer period of time until you have the impression that you stress response is significantly reduced or you recover quicker after a stress situation 11 Fourth stage Transfer relaxation without feedback a Now you can check if you can achieve improved relaxation with lower skin response levels and less fluctuations even without feedback Record a 10 minute baseline without watching the measurement while relaxing as best as you can Afterwards compare it to the baseline measurement from the first stage Your overall level of skin conductance should have dropped and or the spontaneous fluctuations should have reduced Your daily condition can affect the measurement so
11. ts are done by placing two electrodes on two fingertips of the same hand The dark colored lower side of the electrode should be in good skin contact The goal of the feedback training is twofold A reduction of the permanent basic level of stress and a reduction of the immediate stress response to a particular stimulus www mindfield de www mindfield biosystems com eSense MINDFIELD BIOFEEDBACKSYSTEM MINDFIELD BIOSYSTEMS How is the training done in detail 1 A quiet comfortably tempered room without phones and other sources of distraction and convenient seating and clothing are the conditions we need for successful training You should avoid all conditions that can make you sweat out of purely physical reasons like intense physical activity before training or intense sunlight and heat To obtain comparable results you should try to keep your initial and ambient conditions constant through the series of training sessions 2 Wrap the two electrodes around the upper or middle phalanges of your index and middle finger of the same hand The dark lower side of the electrodes shall be in good skin contact Using the non dominant hand is advisable e g the left hand for right handed people because the skin tends to be a little less callused there Attach the cables and wrap the tape another time around their clips to ensure a firm contact FOR USE WITH APPLE iPhone iPad iPod touch eSense MINDFIELD

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