Some Effects of Scopolamine on Acquisition and Extinction Performance in Rats
- 1 June 1972
- journal article
- research article
- Published by SAGE Publications in Psychological Reports
- Vol. 30 (3) , 867-873
- https://doi.org/10.2466/pr0.1972.30.3.867
Abstract
2 experiments indicated that .4- and .6mg/kg doses of scopolamine blocked the normal course of response decrement in extinction. In Exp. I, this extinction-suppression effect was observed over repeated extinction sessions, despite an intervening session without the drug. Exp. II also indicated that scopolamine inhibited learning and disrupted performance of a learned task. The relationship of these results to Carlton's (1963) cholinergic inhibition hypothesis is indicated.Keywords
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