Reports

Strychnine: Its Facilitating Effect on the Solution of a Simple Oddity Problem by the Rat

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Science  18 Sep 1964:
Vol. 145, Issue 3638, pp. 1331-1333
DOI: 10.1126/science.145.3638.1331

Abstract

The learning of a brightness discrimination, discrimination reversal, and a simple oddity problem by rats was facilitated when the rats were given injections of strychnine sulfate after daily training sessions. Control rats injected with saline made significantly more errors during training on the first two tasks and failed to solve the oddity problem.