|eSense GSR - Skin Response|
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The Mindfield eSense Skin Response uses two small sensors attached to the pads of two fingers to measure your Galvanic Skin Response using a free app and the microphone input of your iPhone , iPad, iPod touch, and Android.
This eSense Skin Response biofeedback device from MindField is a remarkable piece of equipment for the home biofeedback market. All professional quality biofeedback systems have the capability to train the relaxation response through the skin response. Until now it has been difficult for the home based consumer to obtain effective and inexpensive hand warming equipment that can also save data. And, because the eSense Skin Response biofeedback device works with iPods, iPads and Android devices it is truly easy to use and portable.
The sweat glands on the palms of your hands show how relaxed or stressed you are. The eSense Skin Response sensor monitors the moisture of your hands to show your state of relaxation. The GSR (Galvanic Skin Response) is commonly used by biofeedback therapists to quickly determine the general state of the nervous system and it is useful for training the relaxation response. Commonly, even thinking about a stressful situation will show a change in the skin response measured but he eSense GSR and this can be used to de-sensitize you from stress reactions to situations to which you may have noticed you were sensitive. This is a popular method for learning good relaxation skills.
The eSense Skin Response sensor is attached with the included straps to two fingers. It is important that the metal tabs on the inside of each velcro strap touches the pads of the finger. The velcro straps then hold the metal sensor onto the fingers for ease of use.
Attention: Never use the eSense Skin Response while charging your iOS/Android device!
Requires one of the following:
Apple iPhone® (3G and higher)
Android devices (versions 2.3 or higher)
Apple iPad® (first generation and higher, visual feedback only for some iPads)
Apple iPod touch® (fourth generation and higher, visual feedback only for some iPods)
Measurement at 10 Hz (10 values per second)
Five values per second (averaged) are stored in the app and can be exported via e-mail. In the resulting CSV file, five rows represent one second of data Resolution: 18bit, rounded to 2 digits after the decimal point. Not rounded for export to CSV With the free app visual feedback is displayed as a line graph and bar graph with high and low points. You can export the measured data via e-mail.
Included in the Package:
Mindfield eSense Skin Response Sensor
2 Electrodes attached to Velcro straps
Free App by Mindfield on the App Store & Google play
Detailed instructions for effective biofeedback training.
Adapter for Android devices
Download the free App on iTunes
Download the app on Google play
What to expect and how to get the best results:
The Skin Response has been used for decades as a reliable measure of stress for biofeedback. It is known by many names: the galvanic skin response (GSR), the electrodermal response (EDR) or skin conductance (SC). It is based on measuring the conductance of the moisture content of the fingers and palms of the hands by sending a very slight, unnoticeable current (voltage much smaller than static electricity) from one sensor to another. The amount of moisture in the hands determines the amount of conductivity and therefor the degree of stress response.
The sweat glands of the hands are controlled by the sympathetic nervous system (the stress portion of the autonomic nervous system), so how active they are is a a good measure for stress or relaxation. The stress effect can easily be seen through the quick increase in skin conductance following a stressful thought, anticipation of a stressful event, a sudden deep breath, or startling to an unexpected event.
The Galvanic Skin Response is commonly used by biofeedback therapists to help desensitize patients to situations and events that can cause stress.
Learning to consciously lower the stress response can help you learn to stay relaxed.
Make sure that the finger strap isn't covering the metal sensor, and that the sensor is directly touching the skin
Plan to spend from 5 to 15 minutes sitting and relaxing while you work with the device. Within a few sessions you will notice you have begun learning conscious control over your relaxation response.Then, as you practice more and more you will get better at relaxing and can learn to relax easily even in challenging situations. A complete lesson plan is included in the Help section of the app.