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Publikováno v:
Psychopharmacology. 141:413-420
Repeated administration of cocaine often results in tolerance to its effects on operant behavior. The tolerance is often associated with an initial drug effect that results in loss of reinforcement. Cocaine can also produce effects that result in a g
Tolerance to the effects of cocaine on performance under behavior-correlated reinforcement magnitude
Publikováno v:
Journal of the experimental analysis of behavior. 76(2)
Four pigeons responded under a fixed-interval 8-min schedule of food delivery in which the amount of food delivered at the end of each interval depended on performance during the interval (i.e., a correlated schedule). Specifically, duration of acces