title: Acquisition of a bar-press response to escape frustrative nonreward and reduced reward.
mesh_terms: D000818:Animals; D001362:Avoidance Learning; D003216:Conditioning, Operant; D003463:Cues; D004193:Discrimination Learning; D005108:Extinction, Psychological; D005247:Feeding Behavior; D005639:Frustration; D006799:Housing, Animal; D008027:Light; D008297:Male; D051381:Rats; D012201:Reward; D014796:Visual Perception