Acquired distinctiveness is controlled by stimulus relevance not correlation with reward

被引:56
作者
George, DN [1 ]
Pearce, JM [1 ]
机构
[1] Univ Wales Coll Cardiff, Sch Psychol, Cardiff CF1 3YG, S Glam, Wales
来源
JOURNAL OF EXPERIMENTAL PSYCHOLOGY-ANIMAL BEHAVIOR PROCESSES | 1999年 / 25卷 / 03期
关键词
D O I
10.1037/0097-7403.25.3.363
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
In 2 experiments, the relationship between the role of a stimulus in signaling trial outcome and the attention paid to it was investigated. In Experiment 1, an intradimensional-extradimensional shift effect was shown in pigeons using autoshaping. In Experiment 2, pigeons were trained with a biconditional discrimination, using stimulus compounds varying on 3 dimensions (color, orientation, and position), 2 of which were relevant to the solution of the discrimination, and 1 of which was irrelevant. Acquisition of a subsequent biconditional discrimination was more rapid if the same stimulus dimensions were relevant to the solution of both discriminations than if a previously irrelevant discrimination became relevant. These results indicate that the amount of attention paid to a stimulus is determined by its relevance to the solution of a discrimination, and not by its correlation with reward.
引用
收藏
页码:363 / 373
页数:11
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