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Similar alterations in brain function for phonological and semantic processing to visual characters in Chinese dyslexia
Liu, Li1,2; Wang, Wenjing2; You, Wenping2,4; Li, Yi2; Awati, Neha1; Zhao, Xu3; Booth, James R.1; Peng, Danling2; Booth, JR (reprint author), Northwestern Univ, Dept Commun Sci & Disorders, Evanston, IL 60208 USA.
2012-07-01
发表期刊NEUROPSYCHOLOGIA
ISSN0028-3932
文章类型Article
卷号50期号:9页码:2224-2232
产权排序4
摘要Dyslexia in alphabetic languages has been extensively investigated and suggests a central deficit in orthography to phonology mapping in the left hemisphere. Compared to dyslexia in alphabetic languages, the central deficit for Chinese dyslexia is still unclear. Because of the logographic nature of Chinese characters, some have suggested that Chinese dyslexia should have larger deficits in the semantic system. To investigate this, Chinese children with reading disability (RD) were compared to typically developing (TD) children using functional magnetic resonance imaging (fMRI) on a rhyming judgment task and on a semantic association judgment task. RD children showed less activation for both tasks in right visual (BA18, 19) and left occipito-temporal cortex (BA 37), suggesting a deficit in visuo-orthographic processing. RD children also showed less activation for both tasks in left inferior frontal gyrus (BA44), which additionally showed significant correlations with activation of bilateral visuo-orthographic regions in the RD group, suggesting that the abnormalities in frontal cortex and in posterior visuo-orthographic regions may reflect a deficit in the connection between brain regions. Analyses failed to reveal larger differences between groups for the semantic compared to the rhyming task, suggesting that Chinese dyslexia is similarly impaired in the access to phonology and to semantics from the visual orthography. (C) 2012 Elsevier Ltd. All rights reserved.
关键词Chinese dyslexia Orthography Phonology Semantics
学科领域Psycholinguistics
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收录类别SCI ; SSCI
语种英语
项目资助者Chinese national natural science foundation [31000500, 31070899, 81171016] ; Fundamental Research Funds for the Central Universities ; Beijing natural science foundation [7102089] ; National Institute of Child Health and Human Development [HD042049]
项目简介This study was supported by grants to Dr. Li Liu from Chinese national natural science foundation (31000500, 31070899, 81171016) and the Fundamental Research Funds for the Central Universities, and grants to Prof. Danling Peng from Beijing natural science foundation (7102089) and grants to Dr. James R. Booth from the National Institute of Child Health and Human Development (HD042049).
WOS记录号WOS:000307368100010
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文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/13261
专题中国科学院心理健康重点实验室
通讯作者Booth, JR (reprint author), Northwestern Univ, Dept Commun Sci & Disorders, Evanston, IL 60208 USA.
作者单位1.Northwestern Univ, Dept Commun Sci & Disorders, Evanston, IL 60208 USA
2.Beijing Normal Univ, State Key Lab Cognit Neurosci & Learning, Beijing 100875, Peoples R China
3.Beijing Normal Univ, Sch Psychol, Beijing 100875, Peoples R China
4.Chinese Acad Sci, Inst Psychol, Key Lab Behav Sci, Beijing 100101, Peoples R China
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Liu, Li,Wang, Wenjing,You, Wenping,et al. Similar alterations in brain function for phonological and semantic processing to visual characters in Chinese dyslexia[J]. NEUROPSYCHOLOGIA,2012,50(9):2224-2232.
APA Liu, Li.,Wang, Wenjing.,You, Wenping.,Li, Yi.,Awati, Neha.,...&Booth, JR .(2012).Similar alterations in brain function for phonological and semantic processing to visual characters in Chinese dyslexia.NEUROPSYCHOLOGIA,50(9),2224-2232.
MLA Liu, Li,et al."Similar alterations in brain function for phonological and semantic processing to visual characters in Chinese dyslexia".NEUROPSYCHOLOGIA 50.9(2012):2224-2232.
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