What is Biofeedback? Control body functions using feedback of the function

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Definition: Biofeedback describes the process whereby a person learns to control a biological function, such as heart rate, blood pressure, or muscle tension. The biofeedback tool provides a visual or audio signal proportional to the bodily function, such as heart rate.

Biofeedback training
Biofeedback training – image by blogspot.com

A person can be trained to reduce the function by focusing conscious effort on the feedback mechanism and adjusting the effort until feedback indicates the function is moving in the desired direction.

Biofeedback
Biofeedback therapy – image by ultrahealers.com

Example: Jennifer learned to reduce stress using a biofeedback tool that measured the tension in her muscles and provided a light which flashed fast for tense muscles and slow for lack of tension. After some practice at focusing on the light and consciously relaxing her muscles in the lab, she was able to reduce stress on her own without the feedback device.

 

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