Effects of Contingent and Non-Contingent Cocaine on Drug-Seeking Behavior Measured Using a Second-Order Schedule of Cocaine Reinforcement in Rats - Morphine prompts and naltrexone discourages renewed responding after extinction

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Keywords: Animal model; Cocaine; Conditioned stimuli; Contingency; Craving; Drug-seeking; Drug-taking; Expectation; Priming; Psychomotor stimulant; Rat; Second-order schedule; Self-administration

Document Type: Research Article

DOI: http://dx.doi.org/10.1016/S0893-133X(98)00080-3

Affiliations: aDepartment of Neuropharmacology, The Scripps Research Institute, La Jolla, CA, USA

Publication date: June 1, 1999

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