title: Biofeedback: the need for a flexible approach.
mesh_terms: D000328:Adult; D001676:Biofeedback, Psychology; D004431:Ear, External; D005260:Female; D006801:Humans; D006973:Hypertension / Q000523:psychology / Q000628:therapy; D008297:Male; D009128:Muscle Spasticity / Q000628:therapy; D059408:Pain Management; D011602:Psychophysiologic Disorders / Q000175:diagnosis / Q000628:therapy; D011613:Psychotherapy