title: Hippocampal electrical activity and behavior elicited by nonreward.
mesh_terms: D000818:Animals; D001522:Behavior, Animal / Q000502:physiology*; D003216:Conditioning, Operant / Q000502:physiology*; D004594:Electrophysiology; D005639:Frustration; D006624:Hippocampus / Q000502:physiology*; D051381:Rats; D012055:Reinforcement Schedule; D012054:Reinforcement, Psychology