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Winterbauer, Neil E.; Lucke, Sara; Bouton, Mark E. – Learning and Motivation, 2013
In resurgence, an operant behavior that has undergone extinction can return ("resurge") when a second operant that has replaced it itself undergoes extinction. The phenomenon may provide insight into relapse that may occur after incentive or contingency management therapies in humans. Three experiments with rats examined the impact of several…
Descriptors: Cognitive Processes, Operant Conditioning, Contingency Management, Animals
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Bradshaw, Ceri A.; Reed, Phil – Learning and Motivation, 2012
In three experiments, human participants pressed the space bar on a computer keyboard to earn points on random-ratio (RR) and random-interval (RI) schedules of reinforcement. Verbalized contingency awareness (CA) for each schedule was measured after the entire task (Experiments 1 and 2), or after each RR-RI trial (Experiment 3). In all three…
Descriptors: Intervals, Reinforcement, Computers, Task Analysis
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Klein, Emily D.; Gehrke, Brenda J.; Green, Thomas A.; Zentall, Thomas R.; Bardo, Michael T. – Learning and Motivation, 2007
The purpose of the present experiment was to determine whether repeated cocaine exposure differentially affects sucrose-reinforced operant responding in rats raised in an enriched condition (EC) or an isolated condition (IC). Specifically, the performance of EC and IC rats pressing a lever for sucrose under a high fixed-ratio schedule (FR 30)…
Descriptors: Cues, Cocaine, Reinforcement, Operant Conditioning
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Woods, Amanda M.; Bouton, Mark E. – Learning and Motivation, 2007
Three experiments with rats examined reacquisition of an operant response after either extinction or a response-elimination procedure that included occasional reinforced responses during extinction. In each experiment, reacquisition was slower when response elimination had included occasional reinforced responses, although the effect was…
Descriptors: Classical Conditioning, Reinforcement, Operant Conditioning, Animals