Biofeedback teaches people to control certain physiological functions. Practitioners place electrodes or sensors in specific areas on the body according to the condition that requires treatment. To treat stress reduction, for example, the therapist places the electrodes on the forehead, just above the eyes. These sensors and electrodes measure the heart rate, brain waves, or other body functions. The results appear on a monitor where the individual can see them. Using guided relaxation techniques, the therapist teaches the person to control these involuntary physiological processes and lower their body’s stress response.
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