title: Motivation as central organizing process: the psychophysical approach to its functional and neurophysiological analysis.
mesh_terms: D000698:Analgesia; D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects / Q000502:physiology*; D001921:Brain / Q000187:drug effects / Q000502:physiology*; D001933:Brain Stem / Q000502:physiology; D004327:Drinking Behavior / Q000502:physiology; D005247:Feeding Behavior / Q000502:physiology; D007031:Hypothalamus / Q000502:physiology; D009042:Motivation / Q000502:physiology*; D009482:Neurophysiology; D011603:Psychophysiology; D051381:Rats; D012032:Refractory Period, Electrophysiological; D012054:Reinforcement, Psychology; D012653:Self Stimulation; D013045:Species Specificity; D013687:Telencephalon / Q000502:physiology