| Literature DB >> 1126363 |
Abstract
Four Squirrel monkeys were trianed on a bar-press response with reinforcement available every 80 sec. The effects of d-amphetamine and caffeine upon this response were studied in both light and dark. In addition to differential drug effects it was found that both illumination and sex of the subjects were important variables.Entities:
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Year: 1975 PMID: 1126363 DOI: 10.1016/0014-2999(75)90109-0
Source DB: PubMed Journal: Eur J Pharmacol ISSN: 0014-2999 Impact factor: 4.432