title: Paradoxical enhancement of learned anxiety responses.
mesh_terms: D001007:Anxiety / Q000209:etiology; D001362:Avoidance Learning; D001521:Behavior Therapy; D003214:Conditioning, Classical; D003888:Desensitization, Immunologic; D005221:Fatigue; D006801:Humans; D009125:Muscle Relaxants, Central / Q000627:therapeutic use; D010551:Personality; D010698:Phobic Disorders / Q000628:therapy; D011582:Psychological Theory; D012054:Reinforcement, Psychology; D012107:Research Design; D013997:Time Factors
chemical_list: D009125:Muscle Relaxants, Central