title: Drive decay theory of self-stimulation: refractory periods and axon diameters in hypothalamic reward loci.
mesh_terms: D000818:Animals; D001369:Axons / Q000502:physiology*; D003216:Conditioning, Operant; D004328:Drive; D004558:Electric Stimulation; D004567:Electrodes, Implanted; D007031:Hypothalamus / Q000502:physiology*; D008854:Microscopy, Electron; D009413:Nerve Fibers, Myelinated / Q000166:cytology; D009431:Neural Conduction; D051381:Rats; D012032:Refractory Period, Electrophysiological; D012201:Reward; D012653:Self Stimulation; D013238:Stereotaxic Techniques; D013569:Synapses / Q000502:physiology