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  • Title: [Direct current self stimulation in rats].
    Author: Pavlygina RA, Mikhaĭlova NG, Simonov PV.
    Journal: Zh Vyssh Nerv Deiat Im I P Pavlova; 1975; 25(1):29-34. PubMed ID: 1210677.
    Abstract:
    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.
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