Biofeedback is the process of receiving feedback from sensors on the human body. Which can include a persons heart rate, blood pressure, stress levels, blinking and even brainwaves.
Biofeedback is being used and experiment with a lot for therapy, such as for controlling fear, anger and concentration.
There is also some small games that have been made using these sensors, some of which where on Kickstarter.
Respiratory: This sensor measures your breathing by detecting the strain a band is under around your chest.
Galvanic Skin Response (GSR): Normally worn around the fingers or wrest this sensor measures sweat.
Electrocardiography: Measure heart rate over time. Can be used to measure stress.
Electromyography: Worn on the leg and detects voltage given out by a muscle when it is tensed.
Temperature: User can blow on this sensor to change the temperature.
Eye Tracking: Tracks eye movement via a camera such as the Kinect.
Blinking: Detects the blinking of a persons eye lids.
Brainwaves: Detects Alpha, Beta and Theta signals.
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Lennart Nacke. (2011). Biofeedback Game Design: Using Direct and Indirect Physiological Control to Enhance Game Interaction (CHI 2011). [Online Video]. NA. Available from: http://vimeo.com/18807782. [Accessed: 04 February 2014].
Nacke, Lennart E., 2011. Biofeedback Game Design. Biofeedback Game Design: Using Direct and Indirect Physiological Control to Enhance Game Interaction, [Online]. NA, AN. Available at: http://hci.usask.ca/uploads/202-Nacke-Biofeedback_Game_Design.pdf [Accessed 05 February 2014].
Peper, E, 2009. Biofeedback an evidence based approach in clinical practice. Japanese Journal of Biofeedback Research, [Online]. 36(1), 3-10. Available at: http://www.bfe.org/articles/Clinical%20biofeedback.pdf [Accessed 03 March 2014].
Mike Ambinder. (2011). Biofeedback in Gameplay: How Valve Measures Physiology to Enhance Gaming Experience. [Online Video]. NA. Available from: http://www.gdcvault.com/play/1014734/Biofeedback-in-Gameplay-How-Valve. [Accessed: 07 March 2014].
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