Glossary

autonomic nervous system (ANS) A branch of the peripheral nervous system that controls any vital functions in the body, especially those involved in adaptation to environmental demands.

biofeedback The process of using information from one's own biological signals to regulate a physiological and/or psychological process.

electroencephalogram (EEG) Electrical activity from the brain is summarized on a graphic display that separates frequency components.

electromyogram (EMG) Electrical activity emitted from the nerves enervating muscle displayed as a raw signal or an integrated average (in microvolts).

neurofeedback Brain wave information is shown and used to achieve a change in function.

parasympathetic nervous system (PNS) One of two branches of the autonomic nervous system usually associated with the restoration of steady states or homeostasis.

respiratory sinus arrhythmia (RSA) The fluctuation of heart rate with normal respiration (heat rate increases with inspiration and decreases with expiration).

sympathetic nervous system (SNS) A branch of the autonomic nervous system usually associated with readiness for fight, flight, or a freeze response.

Biofeedback, the process of using one's own biological signals to achieve a change in physiological functioning, has become increasingly popular for disorders that do not respond well to standard medical treatment, for performance enhancement, and as an adjunct to various meditative or relaxation techniques. This article describes the different ways biofeedback is used in current contexts and briefly summarizes the scientific basis for its efficacy.

Biofeedback Mastery

Biofeedback Mastery

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