title: Extinction of avoidance behavior and the problem of residual fear.
mesh_terms: D000818:Animals; D001007:Anxiety; D001143:Arousal; D001362:Avoidance Learning; D001521:Behavior Therapy; D001522:Behavior, Animal; D003214:Conditioning, Classical; D003216:Conditioning, Operant; D003213:Conditioning, Psychological; D004192:Discrimination, Psychological; D004285:Dogs; D004328:Drive; D004597:Electroshock; D005108:Extinction, Psychological; D005239:Fear; D006801:Humans; D009042:Motivation; D010698:Phobic Disorders / Q000628:therapy; D011582:Psychological Theory; D051381:Rats; D014705:Verbal Behavior