Fixed-interval schedules for drug self-administration in the rat
- 1 January 1989
- journal article
- research article
- Published by Springer Nature in Psychopharmacology
- Vol. 99 (1) , 136-139
- https://doi.org/10.1007/bf00634468
Abstract
The practicality of using second-order fixed-interval schedules in studies of heroin reinforcement with rats was examined. Optimum rates of responding were obtained with a dose of 0.03 mg/kg/infusion and an interval duration of 3 min. In addition, schedules consisting of a only a single interval were shown to be practical, leading to response rates comparable to those obtained with cocaine or food as reinforcer.This publication has 13 references indexed in Scilit:
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