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Biofeedback with the eSense Temperature!

The eSense Temperature is a small sensor to measure your skin temperature with the microphone input of your smartphone or tablet (Android or Apple iOS).

Handwarming training is an especially effective and common biofeedback method. The temperature of our hands is connected to our stress level: When we are stressed, we tend to have cold hands. Immediate feedback enables you to voluntarily increase the skin temperature in your fingers, thus increasing your peripheral blood circulation, leading to relaxation and stress reduction.

The eSense provides you in various ways with exact feedback about your momentary stress level, e.g. with measurement curves, video display and audio feedback features.

With all those functions, you can use the eSense in combination with the app to

☑ create and practice given or your own biofeedback training

☑ create and use a guide for meditation

☑ measure and reduce your stress level

For the audio biofeedback, the eSense has a headphone jack, so you can additionaly listen to music or audio books while training your stress level down. We also implemented biofeedback via smart bulbs. Smart bulbs can change their colors and brightness and can be controlled via Bluetooth. Currently the eSense app supports the Magic Blue™ and Philips Hue™ products.

The app for eSense is free and you can export the measured data as a CSV-file. We also enhance and update the app regulary and add ever more features over time.

Included with eSense Temperature!

Mindfield® eSense Temperature Sensor

One velcro strap for the Sensor

Free app from Mindfield via the App Store or Google Play

Extensive instructions for effective training

 

Downloads for the eSense

eSense app from Mindfield

The eSense comes with the eSense app which you can load for free in the in the Google Play Store (Android), in the Apple App Store (iOS) or the Amazon Appstore. The app contains a variety of functions for an effective biofeedback training in a modern design. Essential function are the display of the measured values app as bargraph and oscilloscope, a feedback by video, music, tones, vibration and new: by light via a bluetooth smart bulb.

Available in English, German, Spanish, French and Italian.

Download Manual

Supported iOS devices

  • Apple® iPhone® from 4S or higher
  • Apple® iPad® from 3rd generation or higher
  • Apple® iPad® Pro from 1st generation or higher (in combination with a USB-C to 3.5 mm Headphone Jack Adapter)
  • Apple® iPod touch® from 5th generation or higher
  • Apple® iPhone® 7, iPhone® 7 Plus, iPhone® 8, iPhone® 8 Plus, iPhone® X, iPhone® XR and iPhone® XS (in combination with a Lightning to 3.5 mm Headphone Jack Adapter)

Supported Android devices

  • Android smartphones and tablets from Android 4.4. Your Android device requires a 3,5mm jack (headphone jack) for external microphones!
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Skin temperature in general

The temperature at the surface of the skin changes according to blood circulation through body tissue. The small blood vessels (arterioles) crossing through the tissue are surrounded by fibers of smooth muscle, which are controlled by the sympathetic nervous system.
In a state of increased exertion, excitement and stress, these muscle fibers contract, causing a stenosis of vasculature. This leads to a reduction of skin temperature, since blood circulation through the tissue is reduced. In contrast, in a state of relaxation, the musculature is also bound to relax, causing the vasculature to expand. Hence, the skin temperature rises.
Mental stress often leads to a lower peripheral perfusion and a decrease of skin temperature at the hands, caused by increased activity of the sympathetic nervous system. This has a sense of evolution because tension and anxiety originally served the preparation for an impending flight or an attack. As a result, as much blood as possible is available in the working muscles (upper arms, thighs and torso), which is achieved by the narrowing of vessels in the hands, feet and forearms. For example, think of a speech that you gave in front of an audience or a job interview panel. If you were anxious in those situations, can you remember having cold (and sweaty) hands?
This physiological stress reaction can be useless or even harmful in many contexts in modern society (e. g. mental exertion, worries, psychosocial stress, and anxiety disorder). A conscious control of physiological stress can help you react in a more relaxed and efficient manner to many situations. Biofeedback is an established way to learn this kind of control!
Skin temperature and biofeedback training
To reduce stress and its vegetative symptoms, biofeedback-training can be conducted by striving for a rise of the skin temperature. Biofeedback with skin temperature is mainly applied in relaxation exercises. It’s easy to handle and learn. Experience with this technique shows a high rate of success and improvement of subjective well-being. In the therapeutic field, skin temperature biofeedback is often used in migraine and chronic pain. If you suffer from a serious disorder or medical condition, always consult a professional physician or therapist, and do not attempt to treat yourself. Biofeedback training is not an officially recognized medical procedure. Hence the eSense Temperature is not a medical device and may only be used for stress reduction training.
A particularly easy and effective biofeedback method is hand warming training. It works with the eSense Temperature sensor attached to a finger, or simply held between the thumb and index fingers. You will learn through direct feedback to intentionally raise the temperature of your fingers, thus increasing perfusion in your hands. The biological temperature sensors in our hands give us only an inaccurate impression of our skin temperature. We can just roughly decide between warm, cool, cold and so on. The real-time feedback with the precise eSense Sensor will give you much more precise information on the perfusion and temperature of your hands, enabling you to learn conscious control of these parameters and your relaxed well-being. Read more... eSense Temperature Manual (PDF)

Engineered in Germany

The eSense is completely engineered at Mindfield in Germany.


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