ATTENTIONAL FACTORS IN VISUAL-FIELD ASYMMETRIES

被引:51
作者
BRYDEN, MP
MONDOR, TA
机构
[1] Department of Psychology, University of Waterloo, Ontario
来源
CANADIAN JOURNAL OF PSYCHOLOGY-REVUE CANADIENNE DE PSYCHOLOGIE | 1991年 / 45卷 / 04期
关键词
D O I
10.1037/h0084305
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
Over the past 30 years, numerous studies have reported left/right asymmetries in visual field performance, with performance generally superior in the right visual field for verbal tasks and in the left visual field for spatial tasks. These asymmetries parallel those found in neurological studies of hemispheric specialization. Consequently, many investigators have concluded that visual hemifield differences are primarily a reflection of the functional differences between the, two cerebral hemispheres. However, alternative explanations proposing that visual field effects are dependent on other factors such as inadequate fixation, eye movements during presentation, postexposural scanning, and attentional biases have been offered. The potential impact of each of these factors on visual field differences are reviewed and discussed. Evidence is provided suggesting that attention and hemispheric functional differences interact to produce the magnitude and direction of visual field differences.
引用
收藏
页码:427 / 447
页数:21
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