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Differential effects of chlordiazepoxide on comparable rates of responding maintained by food and shock avoidance
Authors:Nancy A. Ator
Affiliation:(1) Department of Psychology, University of Maryland, College Park, MD, USA;(2) Present address: Division of Behavioral Biology, Johns Hopkins University School of Medicine, 720 Rutland Avenue, Rm 623, 21205 Baltimore, MD, USA
Abstract:
Comparable rates and patterns of lever-pressing by rats were obtained under a multiple variable interval schedule of food reinforcement and continuous shock avoidance. Chlordiazepoxide (1.0–17.0 mg/kg) produced increases in food maintained responding at doses that decreased avoidance responding. Removing food, shock, or both in separate individual probe sessions did not produce differential effects. Under certain circumstances, the effects of chlordiazepoxide appear to be best predicted by knowledge of maintaining conditions.
Keywords:Chlordiazepoxide  Avoidance  Schedules of reinforcement  Rate dependency  Rats
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