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The US Department of Defense (DoD), coordinator and supervisor of all agencies and functions of the US government, has released BioZen, a free smartphone application to help service members use the therapeutic benefits of biofeedback. The app was developed as a pilot project to study the feasibility of using smartphones to receive signals from biosensor devices.

Developed by T2 (The National Center for Telehealth and Technology), BioZen represents an approach to mobile monitoring of biosensor devices that may be further developed to support future projects.

The app provides users with live biofeedback data from multiple wearable body sensors covering a range of biophysiological signals, including electroencephalogram (EEG), electromyography (EMG), galvanic skin response (GSR), electrocardiogram (ECG or EKG), respiratory rate, and temperature biofeedback data and display it on a mobile phone.

“Mastering biofeedback successfully is difficult and frustrating for many people,” said Dr. David Cooper, T2 psychologist. “This app takes many of the large medical sensors found in a clinic and puts them in the hands of anyone with a smart phone. BioZen makes it easier for anyone to get started with biofeedback.”

The system can display Delta, Theta, Alpha, Beta, and Gamma brain waves. It can also combine the brain waves to show meditative and attentive cognitive states. Users can document their session with biofeedback data recorded in the phone or tablet. BioZen generates graphical feedback from the recording sessions to show the user’s progress over time.

BioZen has been built on an open source framework and it is currently available free for Android devices. The app requires the purchase of compatible biosensor devices. Among many other products BioZen is compatible with the NeuroSky MindWave and the BrainAthlete brain-computer interface headsets. A list of compatible sensors is available on the BioZen website.


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