Effects of extinction on wheel running and lever pressing as operant behaviors within a multiple schedule of reinforcement

作者: Terry W. Belke , Sydney Mann , W. David Pierce

DOI: 10.1016/J.LMOT.2015.09.002

关键词:

摘要: Abstract Rats were exposed to a multiple schedule in which they pressed lever on variable-ratio for wheel-running reinforcement one component and or completed wheel revolutions fixed-ratio 15% sucrose solution the changed component. After 20 sessions, was replaced with water (0% sucrose) operant behavior (lever pressing running) placed extinction Extinction markedly reduced lever-pressing rate lengthened postreinforcement pause (PRP) duration component, but only modestly actually shortened PRP duration. In unchanged when either running rate, reinforcers decreased while increased The effect of differed as function type operant, not This ruled out automatic bridge transferring between components. Arousal, negative induction, shift from high low valued considered potential accounts effects

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