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Left-lateralized early neurophysiological response for Chinese characters in young primary school children
Cao, Xiaohua2; Li, Su; Zhao, Jing; Lin, Si'en; Weng, Xuchu1; Weng, XC (reprint author), Chinese Acad Sci, Inst Psychol, Lab Higher Brain Funct, 4 Datun Rd, Beijing 100101, Peoples R China.
2011-04-04
发表期刊NEUROSCIENCE LETTERS
ISSN0304-3940
文章类型Article
卷号492期号:3页码:165-169
产权排序1
摘要Adult readers consistently show an enhanced early event-related potential (ERP) response, N170, for visual words compared with other stimuli at left posterior electrodes. Developmental studies with words in alphabetic languages showed that this neurophysiological specialization for print develops rapidly from 6 to 10-years of age and becomes established around 10-11 years of age. Here we report for the first time the development of the word-related N170 in Chinese children learning to read Chinese, a logographic writing system radically different from alphabetic scripts in visual and linguistic features. We recorded ERP responses elicited by Chinese characters and line drawings of common objects in three groups of primary school children at 7, 9, and 11 years of age as well as college students. Results showed that the amplitude of N170 evoked by Chinese characters in the 7-year-old group was significantly larger than that in the 11-year-old group and the adult readers. Remarkably, all four age groups - even the youngest group - showed an increased and left-lateralized N170 response for Chinese characters, as compared with line drawings, suggesting that a relatively specialized mechanism for processing Chinese characters is already emergent by as early as 7 years of age. Our results, combined with studies of non-Chinese child readers suggest that the developmental pattern of word-related N170 is highly similar across different scripts, possibly reflecting increased visual processing expertise that children acquire through everyday reading. (C) 2011 Elsevier Ireland Ltd. All rights reserved.
关键词N170 Chinese characters Visual word expertise Development
学科领域Cognitive Psychology
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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] ; Social Science Foundation of China [CKA080232] ; Chinese Academy of Sciences
项目简介This work was partly supported by Chinese Ministry of Science and Technology (grant no. 2007CB512300), National Science Foundation of China (grant no. 31070905), Social Science Foundation of China (grant no. CKA080232), and the Chinese Academy of Sciences. We thank Dr. Kang Lee for discussion.
WOS记录号WOS:000289317000008
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文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/11883
专题中国科学院心理健康重点实验室
通讯作者Weng, XC (reprint author), Chinese Acad Sci, Inst Psychol, Lab Higher Brain Funct, 4 Datun Rd, Beijing 100101, Peoples R China.
作者单位1.Chinese Acad Sci, Inst Psychol, Lab Higher Brain Funct, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
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Cao, Xiaohua,Li, Su,Zhao, Jing,et al. Left-lateralized early neurophysiological response for Chinese characters in young primary school children[J]. NEUROSCIENCE LETTERS,2011,492(3):165-169.
APA Cao, Xiaohua,Li, Su,Zhao, Jing,Lin, Si'en,Weng, Xuchu,&Weng, XC .(2011).Left-lateralized early neurophysiological response for Chinese characters in young primary school children.NEUROSCIENCE LETTERS,492(3),165-169.
MLA Cao, Xiaohua,et al."Left-lateralized early neurophysiological response for Chinese characters in young primary school children".NEUROSCIENCE LETTERS 492.3(2011):165-169.
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