Influence of deprivation and availability of goal box cues on the temporal gradient of reinforcement


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Abstract

A factorial design, using 3 intervals of delay, 2 levels of food deprivation, and presence or absence of goal related stimuli in the delay chamber, was employed to study acquisition and extinction performance of rats in a straight alley runway. The well established temporal gradient of reinforcement was obtained; this gradient was affected by drive level and availability of goal box cues, with drive level and delay combining additively, and with the cues facilitating performance only when reinforcement was delayed. High drive animals extinguished faster than low drive animals. The acquisition and extinction performance of the animals was discussed in terms of delay of reward as a frustration. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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