Abstract
Methamphetamine was found to serve as a reinforcer for the rat. Long-term drug self-administration was characterized by periods of responding and not responding for drug injection. Response rate varied as a function of drug dosage and value of a fixed-ratio reinforcement schedule.
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1. Preparation of the article was supported in part by training grant MH-08565 and research grant MH-11135 to the University of Minnesota.
2. A portion of this article was based on a thesis submitted by L. E. McGuire in partial fulfillment of the requirements for the Ph.D. degree at the University of Mississippi.
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Pickens, R., Meisch, R. & McGuire, L.E. Methamphetamine reinforcement in rats. Psychon Sci 8, 371–372 (1967). https://doi.org/10.3758/BF03332245
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DOI: https://doi.org/10.3758/BF03332245