Definition of biofeedback noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˌbaɪəʊˈfiːdbæk//
; NAmE NAmE//ˌbaɪoʊˈfiːdbæk//
[uncountable] (specialist)
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the use of electronic equipment to record and display activity in the body that is not usually under your conscious control, for example your heart rate, so that you can learn to control that activity
See the Oxford Advanced American Dictionary entry: biofeedback