Characterization of the discriminative s
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Kenneth W. Locke; Stephen G. Holtzman
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Article
📅
1985
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Springer
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English
⚖ 649 KB
The discriminative stimulus effects of centrally administered morphine were characterized in rats trained to discriminate 3.0 mg/kg SC morphine from saline in a two-choice discrete-trial avoidance paradigm. The intracerebroventricular (ICV) administration of 0.3-10 micrograms morphine engendered mor