Repeated testing attenuates conditioned place preference with cocaine.

TitleRepeated testing attenuates conditioned place preference with cocaine.
Publication TypeJournal Article
JournalPsychopharmacology
Volume89
Issue2
Pagination239-43
Date Published1986
ISSN0033-3158
Abstract

Cocaine-treated rats acquired a preference for cocaine-associated contextual stimuli (CS) relative to saline-injected control rats. However, when animals were given repeated tests for conditioned place preference intermittent between conditioning trials, they displayed an attenuation in strength of conditioning. This attenuation was not due to pharmacologic tolerance (Experiment 1), but rather reflected a disruption in learning due to exposure to the CS alone (Experiment 2). Like other examples of classical conditioning, the strength of the conditioned response (CR) as assessed by the conditioned place preference model may be influenced by partial reinforcement.

Short TitlePsychopharmacology (Berl)
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