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biofeedback

noun [U]
 
 
/ˌbaɪ.əʊˈfiːd.bæk/ US  /-oʊ-/

Definition

a method by which a person learns to control their heart rate or other physical or mental processes by using information from recordings of those processesAlternative and traditional therapies
(Definition of biofeedback noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of biofeedback