Biofeedback Definition

A technique of seeking to control certain emotional states, such as anxiety or depression, by training oneself, with the aid of electronic devices, to modify autonomic bodily functions, such as blood pressure or heartbeat.
Webster's New World
The technique of using monitoring devices to furnish information regarding an autonomic bodily function, such as heart rate or blood pressure, in an attempt to gain some voluntary control over that function. It may be used clinically to treat certain conditions, such as hypertension and migraine headache.
American Heritage Medicine

A technique consisting of measuring a person's quantifiable bodily functions, such as blood pressure, heart rate, skin temperature, sweat gland activity, and muscle tension, then conveying the information to the person in real-time.


Origin of Biofeedback

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