title: Psychophysiological effects of therapist's active presence during biofeedback as a simple psychotherapeutic situation.
mesh_terms: D001676:Biofeedback, Psychology; D004594:Electrophysiology; D006261:Headache / Q000628:therapy*; D006801:Humans; D010817:Physician-Patient Relations; D011602:Psychophysiologic Disorders / Q000628:therapy*; D011603:Psychophysiology