INTRADIMENSIONAL AND EXTRADIMENSIONAL SHIFTS IN MONKEY WITHIN AND ACROSS SENSORY MODALITIES

被引:19
作者
ROTHBLAT, LA
WILSON, WA
机构
来源
JOURNAL OF COMPARATIVE AND PHYSIOLOGICAL PSYCHOLOGY | 1968年 / 66卷 / 02期
关键词
across sensory modalities; touch; discrimination learning within &; vision tasks; rhesus monkey;
D O I
10.1037/h0026375
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
After learning a series of successive tactual reversals in which 1 dimension (form or size) was relevant, 8 monkeys received intradimensional (ID) or extradimensional (ED) shifts within and across sensory modalities. Within the tactual modality, reversals were characterized by a flattening or reversal midplateau and ID was superior to ED. Across modalities (tactual-visual), no difference was found between ID and ED shifts. The results give evidence for the existence of stimulus analyzing mechanisms in a nonvisual modality and provide support for a 2-stage chaining model of discrimination learning. The results of the cross-modal shifts suggest, however, that tactual and visual analyzers are modality specific. (PsycINFO Database Record (c) 2006 APA, all rights reserved). © 1968 American Psychological Association.
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页码:549 / &
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