[Direct current self stimulation in rats].
In experiments on 16 male albino rats a phenomenon of self-stimulation of the hypothalamic structures has been produced by a DC anode and cathode, with 20 to 100 microamperes intensity. DC self-stimulation consists in regular succession of approaching the pedal, staying on the pedal and leaving it, i. e. a succession of states of motivational drive, reinforcement and avoidance. In a number of cases the conditioned reflex of self-stimulation is not extinguished for two to three days after switching off the current.
D000818:Animals; D001931:Brain Mapping; D003216:Conditioning, Operant / Q000502:physiology*; D007031:Hypothalamus / Q000502:physiology*; D008297:Male; D011301:Preoptic Area / Q000502:physiology*; D051381:Rats; D012653:Self Stimulation / Q000502:physiology*
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