Lateralization of object-shape information in semantic processing.

Lateralization of object-shape information in semantic processing.
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语义处理中物体形状信息的侧化。

DOI:
10.1016/j.cognition.2004.06.002
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发表时间:
2004
期刊:
Cognition.
影响因子:
--
通讯作者:
Yaxley,RichardH
Yaxley,RichardH
中科院分区:
--
文献类型:
--
作者:
Zwaan,RolfA;Yaxley,RichardH

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进行了一项实验来检查感知信息,特别是物体的形状,在语义处理过程中是否被激活。受试者判断目标词是否与主要词相关。不相关但所指对象具有相似形状(例如LADDER-RAILROAD)的主要-目标对比不相关的主要-目标对产生更长的“不”响应,表明形状信息已被激活。视野操作表明,在惯用右手的受试者中,这种效应局限于左半球。这一发现与行为、脑成像和病变数据一致,这表明类别级别的物体形状是在左半球中表示的。
An experiment was conducted to examine whether perceptual information, specifically the shape of objects, is activated during semantic processing. Subjects judged whether a target word was related to a prime word. Prime–target pairs that were not associated, but whose referents had similar shapes (e.g. LADDER-RAILROAD) yielded longer “no” responses than unassociated prime–target pairs, suggesting that shape information had been activated. A visual-field manipulation showed that, in right-handed subjects, this effect was localized in the left hemisphere. This finding is consistent with behavioral, brain imaging, and lesion data, which suggest that object shape at the category level is represented in the left hemisphere.
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