Timing during inhibitory conditioning

被引：8

作者：

Williams, Douglas A. ^{[1
]}

Johns, Kenneth W. ^{[2
]}

Brindas, Mirna

机构：

[1] Univ Winnipeg, Dept Psychol, Winnipeg, MB R3B 2E9, Canada

[2] Univ Manitoba, Winnipeg, MB, Canada

来源：

JOURNAL OF EXPERIMENTAL PSYCHOLOGY-ANIMAL BEHAVIORAL PROCESSES | 2008年 / 34卷 / 02期

关键词：

conditioned inhibition; temporal conditioning; appetitive conditioning; summation test; retardation test;

D O I：

10.1037/0097-7403.34.2.237

中图分类号：

学科分类号：

摘要：

Analyses of second-by-second conditioned responding into a food receptacle by hungry rats (Rattus norvegicus) found that inhibition varies across the duration of a conditioned stimulus (CS) in a manner consistent with initial training. Variations in the arrival time of the unconditioned stimulus (US) supported temporally specific suppression of responding (Experiment 1). Summation and retardation tests (Experiments 2 and 3, respectively) revealed that points of greatest inhibition coincided with US omission at the time normally specified by the excitor. Our data provide a clear demonstration of fine-grained changes in the time course of inhibitory conditioning for the first time.

引用

页码：237 / 246

页数：10

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