Cocaine withdrawal produces behavioral disruptions in rats

Marilyn E. Carroll, Sylvie T. Lac

Research output: Contribution to journalArticlepeer-review

65 Scopus citations

Abstract

There is currently no laboratory or clinical evidence from animal or human studies documenting a withdrawal syndrome associated with cocaine dependence, although many users report that withdrawal disturbances are responsible for their repeated use of the drug. In the present study rats self-administered i.v. cocaine and a sweetened drinking solution. When cocaine access was terminated there was a marked suppression in operant behavior reinforced by the sweetened solution, and this withdrawal disruption was immediately reversed when cocaine was reinstated. There were no physical signs of withdrawal, and food intake increased when cocaine was withdrawn. The results suggest that sensitive behavioral tests reveal aspects of drug dependence that may account for persistent abuse.

Original languageEnglish (US)
Pages (from-to)2183-2190
Number of pages8
JournalLife Sciences
Volume40
Issue number22
DOIs
StatePublished - Jun 1 1987

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