title: Conditioned and unconditioned fear inhibition in rats.
mesh_terms: D000161:Acoustic Stimulation; D000818:Animals; D001307:Auditory Perception; D001362:Avoidance Learning; D003214:Conditioning, Classical; D003216:Conditioning, Operant; D003213:Conditioning, Psychological; D004327:Drinking Behavior; D005108:Extinction, Psychological; D005239:Fear; D007266:Inhibition, Psychological; D008297:Male; D051381:Rats