The role of gestures in spatial working memory and speech

被引:149
|
作者
Morsella, E [1 ]
Krauss, RM [1 ]
机构
[1] Columbia Univ, New York, NY 10027 USA
来源
AMERICAN JOURNAL OF PSYCHOLOGY | 2004年 / 117卷 / 03期
关键词
D O I
10.2307/4149008
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
Co-speech gestures traditionally have been considered communicative, but they may also serve other functions. For example, hand-arm movements seem to facilitate both spatial working memory and speech production. It has been proposed that gestures facilitate speech indirectly by sustaining spatial representations in working memory. Alternatively, gestures may affect speech production directly by activating embodied semantic representations involved in lexical search. Consistent with the first hypothesis, we found participants gestured more when describing visual objects from memory and when describing objects that were difficult to remember and encode verbally. However, they also gestured when describing a visually accessible object, and gesture restriction produced dysfluent speech even when spatial memory was untaxed, suggesting that gestures can directly affect both spatial memory and lexical retrieval.
引用
收藏
页码:411 / 424
页数:14
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