Biofeedback By Denise Millstine, MD, Mayo Clinic Reviewed / Revised Oct 2021 | Modified Sep 2022 View Patient Education Uses for Biofeedback References For biofeedback, a type of mind-body medicine, electronic devices are used to provide information to patients about biologic functions (eg, heart rate, blood pressure, muscle activity, skin temperature, skin resistance, brain surface electrical activity) and to teach patients to control these functions through mental exercises.