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处理手写草书时的半球差异。

Hemispheric differences in processing handwritten cursive.

作者信息

Hellige Joseph B, Adamson Maheen M

机构信息

Department of Psychology, University of Southern California, Los Angeles, CA 90089-1061, USA.

出版信息

Brain Lang. 2007 Sep;102(3):215-27. doi: 10.1016/j.bandl.2006.11.003. Epub 2006 Dec 8.

Abstract

Hemispheric asymmetry was examined for native English speakers identifying consonant-vowel-consonant (CVC) non-words presented in standard printed form, in standard handwritten cursive form or in handwritten cursive with the letters separated by small gaps. For all three conditions, fewer errors occurred when stimuli were presented to the right visual field/left hemisphere (RVF/LH) than to the left visual field/right hemisphere (LVF/RH) and qualitative error patterns indicated that the last letter was missed more often than the first letter on LVF/RH trials but not on RVF/LH trials. Despite this overall similarity, the RVF/LH advantage was smaller for both types of cursive stimuli than for printed stimuli. In addition, the difference between first-letter and last-letter errors was smaller for handwritten cursive than for printed text, especially on LVF/RH trials. These results suggest a greater contribution of the right hemisphere to the identification of handwritten cursive, which is likely related visual complexity and to qualitative differences in the processing of cursive versus print.

摘要

研究了以英语为母语的人在识别以标准印刷形式、标准手写草体形式或字母间有小间隔的手写草体形式呈现的辅音-元音-辅音(CVC)非单词时的半球不对称性。在所有这三种情况下,当刺激呈现给右视野/左半球(RVF/LH)时出现的错误比呈现给左视野/右半球(LVF/RH)时少,并且定性错误模式表明,在LVF/RH试验中最后一个字母比第一个字母更容易被遗漏,但在RVF/LH试验中并非如此。尽管总体上有这种相似性,但两种草体刺激的RVF/LH优势都比印刷刺激小。此外,手写草体的首字母和末字母错误之间的差异比印刷文本小,尤其是在LVF/RH试验中。这些结果表明右半球在识别手写草体方面的贡献更大,这可能与视觉复杂性以及草体与印刷体处理的定性差异有关。

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