title: Facilitation of retention by self-stimulation and by experimenter-administered stimulation.
mesh_terms: D000818:Animals; D001143:Arousal / Q000502:physiology; D004558:Electric Stimulation; D007031:Hypothalamus / Q000502:physiology*; D008297:Male; D008568:Memory / Q000502:physiology*; D051381:Rats; D012054:Reinforcement, Psychology / Q000502:physiology; D012153:Retention, Psychology / Q000502:physiology*; D012653:Self Stimulation / Q000502:physiology*; D013997:Time Factors