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Science 14 February 1964:
Vol. 143. no. 3607, pp. 702 - 703
DOI: 10.1126/science.143.3607.702
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Articles

Intracranial Reward Delay and the Acquisition Rate of a Brightness Discriminaton

Richard E. Keesey 1

1 Department of Psychology, University of Wisconsin, Madison

An application of the techniques of intracranial self-stimulation to the study of delayed reward indicates that the rate of discrimination learning for stimulation of the hypothalamus is a decreasing function of the delay interval. The resulting delay-of-reward gradient does not appear to differ appreciably from other such gradients based on food reward.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)