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| Animal Behavior | 1 |
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| Behavioral Science Research | 1 |
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| Reinforcement | 1 |
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| Journal of the Experimental… | 1 |
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Direct linkPinkston, Jonathan W.; Branch, Marc N. – Journal of the Experimental Analysis of Behavior, 2004
Effects of repeated administration of cocaine to animals behaving under operant contingencies have depended on when the drug is given. Moderate doses given presession have generally led to a decrease in the drug's effect, an outcome usually referred to as tolerance. When these same doses have been given after sessions, the usual result has been no…
Descriptors: Reinforcement, Classical Conditioning, Multivariate Analysis, Cocaine
