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The Effect of Differential Overtraining of the Positive and Negative Stimulus on the Aversiveness of the Negative Stimulus.

机译:正负刺激差分过度训练对负刺激厌恶的影响。

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Six discrimination sophisticated monkeys were trained on 18problems each of which contained intermixed trials on two discriminations. In six problems,the ratio of trials of the two discriminations was 4to 1. Following training a single test trial was given which consisted of a choice between the more-trained (MT) and less-trained (LT) negative stimuli. No consistent preference for either stimulus was demonstrated. In the remaining problems either the negative or positive stimulus of one discrimination was overtrained. In the former condition,on test trials,the LT negative stimuli were preferred,while in the latter,the MT negative stimuli were preferred. These results could be accounted for by the relative frequency during training of nonrewarded responses to the MT and LT negative stimuli. (Author)

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