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LEFT-LATERALIZED N170 RESPONSE TO UNPRONOUNCEABLE PSEUDO BUT NOT FALSE CHINESE CHARACTERS-THE KEY ROLE OF ORTHOGRAPHY
Lin, S. E.1,2; Chen, H. C.3; Zhao, J.1; Li, S.1; He, S.4; Weng, X. C.1,5; Weng, XC (reprint author), Hangzhou Normal Univ, Ctr Cognit & Brain Disorders, Hangzhou 310000, Zhejiang, Peoples R China.
2011-09-05
发表期刊NEUROSCIENCE
ISSN0306-4522
文章类型Article
卷号190期号:1页码:200-206
产权排序1
摘要A negative event-related potential (ERP) component, known as N170, can be readily recorded over the posterior left brain region when skilled readers are presented with visual words. This left-lateralized word-related N170 has been attributed either to linguistic processes, particularly phonological processing, or to the role of orthographic regularity, emphasizing a perceptual origin. This debate, however, is difficult to resolve in the context of alphabetic scripts because of the tight relations between orthography and phonology. In contrast, Chinese characters have arbitrary mappings between orthographic and sound forms, making it possible to tease apart these two properties of visual words. We therefore addressed this issue by examining ERP responses to Chinese characters and three types of structurally matched but unpronounceable stimuli: pseudo-characters, false-characters, and stroke combinations. A content-irrelevant color matching task was adopted to minimize potentially different top-down modulations across stimulus types. Results show that, relative to false-characters and stroke combinations, real- and pseudo-characters evoked greater N170 in the left posterior brain region. Critically, despite being unpronounceable, pseudo-characters produced the same amplitude and left-lateralized N170, just as real-characters. These results provide strong evidence that orthography rather than phonology serves as the main driver for the enhanced and left-lateralized N170 to visual words. (C) 2011 IBRO. Published by Elsevier Ltd. All rights reserved.
关键词N170 Chinese character orthography phonology
学科领域Cognitive Psychology,Cognitive Neuroscience
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收录类别SCI
语种英语
项目资助者Chinese Ministry of Science and Technology [2007CB512300] ; National Science Foundation of China [31070905] ; Chinese Academy of Sciences ; National Science Foundation (NSF) [BCS-0818588] ; Chinese University of Hong Kong
项目简介This work was supported by the Chinese Ministry of Science and Technology (grant no. 2007CB512300), the National Science Foundation of China (grant no. 31070905), the Chinese Academy of Sciences, the National Science Foundation (NSF BCS-0818588), and a departmental grant from the Chinese University of Hong Kong.
WOS记录号WOS:000294878800021
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被引频次:39[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/11884
专题中国科学院心理健康重点实验室
通讯作者Weng, XC (reprint author), Hangzhou Normal Univ, Ctr Cognit & Brain Disorders, Hangzhou 310000, Zhejiang, Peoples R China.
作者单位1.Chinese Acad Sci, Inst Psychol, Key Lab Behav Sci, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
3.Chinese Univ Hong Kong, Dept Psychol, Shatin, Hong Kong, Peoples R China
4.Univ Minnesota, Dept Psychol, Minneapolis, MN 55455 USA
5.Hangzhou Normal Univ, Ctr Cognit & Brain Disorders, Hangzhou 310000, Zhejiang, Peoples R China
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Lin, S. E.,Chen, H. C.,Zhao, J.,et al. LEFT-LATERALIZED N170 RESPONSE TO UNPRONOUNCEABLE PSEUDO BUT NOT FALSE CHINESE CHARACTERS-THE KEY ROLE OF ORTHOGRAPHY[J]. NEUROSCIENCE,2011,190(1):200-206.
APA Lin, S. E..,Chen, H. C..,Zhao, J..,Li, S..,He, S..,...&Weng, XC .(2011).LEFT-LATERALIZED N170 RESPONSE TO UNPRONOUNCEABLE PSEUDO BUT NOT FALSE CHINESE CHARACTERS-THE KEY ROLE OF ORTHOGRAPHY.NEUROSCIENCE,190(1),200-206.
MLA Lin, S. E.,et al."LEFT-LATERALIZED N170 RESPONSE TO UNPRONOUNCEABLE PSEUDO BUT NOT FALSE CHINESE CHARACTERS-THE KEY ROLE OF ORTHOGRAPHY".NEUROSCIENCE 190.1(2011):200-206.
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