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[bahy-oh-feed-bak] /ˌbaɪ oʊˈfidˌbæk/
a method of learning to control one's bodily functions by monitoring one's own brain waves, blood pressure, degree of muscle tension, etc.
the feedback thus obtained.
Origin of biofeedback
First recorded in 1970-75; bio- + feedback Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for biofeedback


(physiol, psychol) a technique for teaching the control of autonomic functions, such as the rate of heartbeat or breathing, by recording the activity and presenting it (usually visually) so that the person can know the state of the autonomic function he or she is learning to control Compare neurofeedback
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for biofeedback

also bio-feedback, 1969, from bio- + feedback. Said to have been coined by U.S. psychologist and parapsychologist Gardner Murphy (1890-1975).

Online Etymology Dictionary, © 2010 Douglas Harper
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biofeedback in Medicine

biofeedback bi·o·feed·back (bī'ō-fēd'bāk')
A training technique that enables a person to gain some element of voluntary control over autonomic body functions. It is based on the principle that a desired response is learned when received information indicates that a specific thought or action has produced the desired response.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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biofeedback in Science
The technique of using monitoring devices to obtain information about an involuntary function of the central or autonomic nervous system, such as body temperature or blood pressure, in order to gain some voluntary control over the function. Using biofeedback, individuals can be trained to respond to abnormal measurements in involuntary function with specific therapeutic actions, such as muscle relaxation, meditation, or changing breathing patterns. Biofeedback has been used to treat medical conditions such as hypertension and chronic anxiety.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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biofeedback in Culture
biofeedback [(beye-oh-feed-bak)]

A training technique by which a person learns how to regulate certain body functions, such as heart rate, blood pressure, or brain wave patterns, that are normally considered to be involuntary. The person learns by watching special monitoring instruments attached to the body that record changes in these functions.

Note: Biofeedback has had some success in the treatment of such disorders as chronic headaches and back pain.
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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