title: An investigation of responding on schedules of electrical brain-stimulation reinforcement.
mesh_terms: D000818:Animals; D003216:Conditioning, Operant / Q000502:physiology*; D005502:Food; D007031:Hypothalamus / Q000502:physiology; D008297:Male; D051381:Rats; D012055:Reinforcement Schedule; D012054:Reinforcement, Psychology; D012653:Self Stimulation / Q000502:physiology*