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Chinese dyslexics show neural differences in morphological processing
Liu, Li1; Tao, Ran1; Wang, Wenjing1; You, Wenping2; Peng, Danling1; Booth, James R.3; Booth, JR (reprint author), Northwestern Univ, Dept Commun Sci & Disorders, Evanston, IL 60208 USA.
2013
发表期刊DEVELOPMENTAL COGNITIVE NEUROSCIENCE
ISSN1878-9293
文章类型期刊论文
卷号6页码:40-50
产权排序2
摘要Previous behavioral studies have suggested that morphological awareness is impaired in Chinese children with reading disability (RD), but how this is reflected in brain alterations is not known. Using functional magnetic resonance imaging (fMRI), the current study compared morphological processing in a RD group (11-13-years old) to an age-matched typically developing (TD) group. Participants made semantic relatedness judgments to incongruent word pairs that were either semantically related but did not share a morpheme or semantically unrelated but did share a morpheme. This was compared to conditions where semantic relatedness and morphemic information was congruent. A smaller incongruency effect was found in left dorsal posterior (BA9) and ventral anterior (BA47) inferior frontal gyrus (IFG) in the RD compared to the TD, suggesting that the RD is less sensitive to morphological information. This was a specific deficit as a phonological control task that manipulated congruency between orthography and phonology did not show group differences in the IFG. Moreover, brain activation in the IFG for the incongruency effect in the semantic task was negatively correlated with reading skill for the RD group only, suggesting that higher skill children with RD may rely on a compensatory whole-word strategy by ignoring the morphemic information. (C) 2013 Elsevier Ltd. All rights reserved.
关键词Functional magnetic resonance imaging (fMRI) Chinese dyslexia Morphological processing
学科领域Cognitive Neuroscience
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收录类别SCI
语种英语
项目资助者National Natural Science Foundation of China [31000500, 31070899] ; Fundamental Research Funds for the Central Universities ; National Institute of Child Health and Human Development [HD042049]
项目简介This study was supported by grants to Dr. Li Liu from National Natural Science Foundation of China (31000500, 31070899) and the Fundamental Research Funds for the Central Universities, and by grants to Dr. James R. Booth from the National Institute of Child Health and Human Development (HD042049).
WOS记录号WOS:000328298700005
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被引频次:11[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/311026/10622
专题中国科学院行为科学重点实验室
通讯作者Booth, JR (reprint author), Northwestern Univ, Dept Commun Sci & Disorders, Evanston, IL 60208 USA.
作者单位1.Beijing Normal Univ, State Key Lab Cognit Neurosci & Learning, Beijing 100875, Peoples R China
2.Chinese Acad Sci, Inst Psychol, Key Lab Behav Sci, Beijing 100101, Peoples R China
3.Northwestern Univ, Dept Commun Sci & Disorders, Evanston, IL 60208 USA
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Liu, Li,Tao, Ran,Wang, Wenjing,et al. Chinese dyslexics show neural differences in morphological processing[J]. DEVELOPMENTAL COGNITIVE NEUROSCIENCE,2013,6:40-50.
APA Liu, Li.,Tao, Ran.,Wang, Wenjing.,You, Wenping.,Peng, Danling.,...&Booth, JR .(2013).Chinese dyslexics show neural differences in morphological processing.DEVELOPMENTAL COGNITIVE NEUROSCIENCE,6,40-50.
MLA Liu, Li,et al."Chinese dyslexics show neural differences in morphological processing".DEVELOPMENTAL COGNITIVE NEUROSCIENCE 6(2013):40-50.
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