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The visual magnocellular-dorsal dysfunction in Chinese children with developmental dyslexia impedes Chinese character recognition
Zhao, Jing1,2; Qian, Yi1,2; Bi, Hong-Yan1; Coltheart, Max3
2014-11-20
Source PublicationSCIENTIFIC REPORTS
ISSN2045-2322
SubtypeArticle
Volume4Issue:0Pages:7068
AbstractThe visual magnocellular-dorsal (M-D) deficit theory of developmental dyslexia (DD) is still highly debated. Many researchers have made great efforts to investigate the relationship between M-D dysfunction and reading disability. Given that visual analysis plays an important role in Chinese reading, the present study tried to examine how the M-D dysfunction affected Chinese character recognition in Chinese children with DD. Sixteen DD children with M-D deficit, fifteen DD children with normal M-D function and twenty-seven age-matched typically developing children participated in this study. A global/local decision task was adopted, in which we manipulated the spatial frequency of target characters to separate an M-D condition from an unfiltered condition. Results of reaction times and error rates showed that in the M-D condition both M-D normal dyslexics and controls exhibited a significant global precedence effect, with faster responses and lower error rates in global decision than in local decision. In contrast, this global advantage was absent for the M-D impaired dyslexics. Accordingly, we propose that the M-D impairment present in some but not all dyslexics might influence global recognition of Chinese characters in this subgroup of children with DD, which might be implicated in their difficulties in learning to read.
Indexed BySCI
Language英语
WOS IDWOS:000346177400001
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/13468
Collection中国科学院行为科学重点实验室
Affiliation1.Chinese Acad Sci, Inst Psychol, Key Lab Behav Sci, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Macquarie Univ, Ctr Cognit & Its Disorders, N Ryde, NSW 2109, Australia
Recommended Citation
GB/T 7714
Zhao, Jing,Qian, Yi,Bi, Hong-Yan,et al. The visual magnocellular-dorsal dysfunction in Chinese children with developmental dyslexia impedes Chinese character recognition[J]. SCIENTIFIC REPORTS,2014,4(0):7068.
APA Zhao, Jing,Qian, Yi,Bi, Hong-Yan,&Coltheart, Max.(2014).The visual magnocellular-dorsal dysfunction in Chinese children with developmental dyslexia impedes Chinese character recognition.SCIENTIFIC REPORTS,4(0),7068.
MLA Zhao, Jing,et al."The visual magnocellular-dorsal dysfunction in Chinese children with developmental dyslexia impedes Chinese character recognition".SCIENTIFIC REPORTS 4.0(2014):7068.
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