title: The role of mental relaxation in experimental desensitization.
mesh_terms: D000339:Affect; D001521:Behavior Therapy; D006801:Humans; D009129:Muscle Tonus; D009132:Muscles / Q000502:physiology; D010698:Phobic Disorders / Q000628:therapy*; D012063:Relaxation; D013112:Spiders