SIMPLE REACTION-TIMES TO LATERALIZED VISUAL-STIMULI IN A CASE OF CALLOSAL AGENESIS

被引：38

作者：

MILNER, AD ^{[1
]}

机构：

[1] UNIV ST ANDREWS, ST ANDREWS KY16 9ST, FIFE, SCOTLAND

来源：

NEUROPSYCHOLOGIA | 1982年 / 20卷 / 04期

关键词：

D O I：

10.1016/0028-3932(82)90040-9

中图分类号：

B84 [心理学]; C [社会科学总论]; Q98 [人类学];

学科分类号：

03 ; 0303 ; 030303 ; 04 ; 0402 ;

摘要：

Simple reaction times (RTs) of a young acallosal woman were measured, using 3 different intensity levels of the visual stimulus. It was found that crossed stimulus/hand combinations yielded finger RTs .apprx. 20 ms longer, on average, than uncrossed combinations. In addition, an inverse relation was found between stimulus intensity and the magnitude of this crossed/uncrossed difference in RT. It was also found that vocal RTs displayed a large advantage (18 ms) for right visual-field stimulation. It is suggested that the stimulus information in crossed finger reactions must cross the midline through visually-coded neurons in the acallosal brain.

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收藏

页码：411 / 419

页数：9

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