title: Hurdle jumping from S+ following discrimination and reversal training: a frustration analysis of the ORE.
mesh_terms: D000818:Animals; D003213:Conditioning, Psychological; D004193:Discrimination Learning; D005108:Extinction, Psychological; D005639:Frustration; D008124:Locomotion; D008297:Male; D009042:Motivation; D009043:Motor Activity; D010056:Overlearning; D051381:Rats; D012055:Reinforcement Schedule; D012193:Reversal Learning; D012201:Reward