biofeedback (bI-o-fed´bak)

A training technique that enables an individual to gain some element of voluntary control over autonomic body functions; based on the learning principle that a desired response is learned when received information such as a recorded increase in skin temperature (feedback) indicates that a specific thought complex or action has produced the desired physiological response.
EMG b. a form of b. that uses an electromyographic measure of muscle tension as the physical symptom to be deconditioned, such as tension in the frontalis muscle in the head which can cause headaches.


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