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Zh Vyssh Nerv Deiat Im I P Pavlova. 1990 May-Jun;40(3):467-74.

[The dependence of the rate of learning on the probability of the random performance of an acquired reaction under different regimens of aversive reinforcement in rats].

[Article in Russian]


Learning of rats in the process of elaboration of instrumental conditioned reflex takes place much faster at the probability of random fulfillment of correct reaction (PRCR) equal to 0.25 and 0.125 than at PRCR 0.5 and 0.05. Decrease of the frequency of positive reinforcements of correct reactions from 100 to 25% does not influence the speed of learning at PRCR 0.25 and 0.125, however significantly retards the process of learning at PRCR 0.05. There exist optimum and pessimum for learning PRCR values at different regimes of reinforcement.

[Indexed for MEDLINE]

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