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Deficits of visual search in Chinese children with dyslexia.

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Title: Deficits of visual search in Chinese children with dyslexia.
Authors: Liu, Sisi, Wang, Li‐Chih, Liu, Duo
Source: Journal of Research in Reading. May2019, Vol. 42 Issue 2, p454-468. 15p.
Subjects: Children with dyslexia, Dyslexia, Children with developmental disabilities, Phonological awareness, Comprehensive instruction (Reading), School children, Early childhood education
Abstract: Background: There is emerging evidence that individuals with developmental dyslexia show deficits in visual–spatial attention. This study focused on visual searches and examined whether visual search deficits would be found in Chinese children with dyslexia. More importantly, we examined the associations between dyslexia and distinct types of visual searches, to determine whether deficits are specific to some visual searches but not others. Methods: The dyslexic children and their age‐matched typical peers completed both the inefficient and relatively efficient search tasks. Results: The dyslexic children were generally impaired in visual searches, although the deficit in inefficient searches was more severe than in efficient searches. After phonological awareness, working memory and nonverbal IQ were considered; inefficient searches were found to be selectively impaired. Conclusions: These findings suggest that visual search deficits in dyslexia are universal across alphabetic and logographic writing systems. They highlight the importance of further study on the role of top‐down attention on reading. Highlights: What is already known about this topicReading difficulties are related to impairment of visual–spatial attention.Dyslexic readers of alphabetic orthographies show deficits in visual searches, especially inefficient searches.Visual skills are particularly important for reading in Chinese, a logographic writing system known for visual complexity and lacking of grapheme–phoneme correspondence. What this paper addsChinese children with dyslexia showed impaired visual searches compared with typically developing children.Deficits of dyslexic children were more severe in inefficient searches than in efficient ones.After phonological awareness and working memory were considered, visual search dysfunction of dyslexic Chinese children was specific to the inefficient searches. Implications for theory, policy or practiceInefficient visual search skill is uniquely related to dyslexia in Chinese beyond phonological awareness, supporting sensory‐cognitive accounts of dyslexia.Selective impairment in inefficient searches underscores the importance to study top‐down attentional mechanism in reading. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Research in Reading is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Deficits of visual search in Chinese children with dyslexia.
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  Data: <searchLink fieldCode="AR" term="%22Liu%2C+Sisi%22">Liu, Sisi</searchLink><br /><searchLink fieldCode="AR" term="%22Wang%2C+Li‐Chih%22">Wang, Li‐Chih</searchLink><br /><searchLink fieldCode="AR" term="%22Liu%2C+Duo%22">Liu, Duo</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Research+in+Reading%22">Journal of Research in Reading</searchLink>. May2019, Vol. 42 Issue 2, p454-468. 15p.
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  Data: <searchLink fieldCode="DE" term="%22Children+with+dyslexia%22">Children with dyslexia</searchLink><br /><searchLink fieldCode="DE" term="%22Dyslexia%22">Dyslexia</searchLink><br /><searchLink fieldCode="DE" term="%22Children+with+developmental+disabilities%22">Children with developmental disabilities</searchLink><br /><searchLink fieldCode="DE" term="%22Phonological+awareness%22">Phonological awareness</searchLink><br /><searchLink fieldCode="DE" term="%22Comprehensive+instruction+%28Reading%29%22">Comprehensive instruction (Reading)</searchLink><br /><searchLink fieldCode="DE" term="%22School+children%22">School children</searchLink><br /><searchLink fieldCode="DE" term="%22Early+childhood+education%22">Early childhood education</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Background: There is emerging evidence that individuals with developmental dyslexia show deficits in visual–spatial attention. This study focused on visual searches and examined whether visual search deficits would be found in Chinese children with dyslexia. More importantly, we examined the associations between dyslexia and distinct types of visual searches, to determine whether deficits are specific to some visual searches but not others. Methods: The dyslexic children and their age‐matched typical peers completed both the inefficient and relatively efficient search tasks. Results: The dyslexic children were generally impaired in visual searches, although the deficit in inefficient searches was more severe than in efficient searches. After phonological awareness, working memory and nonverbal IQ were considered; inefficient searches were found to be selectively impaired. Conclusions: These findings suggest that visual search deficits in dyslexia are universal across alphabetic and logographic writing systems. They highlight the importance of further study on the role of top‐down attention on reading. Highlights: What is already known about this topicReading difficulties are related to impairment of visual–spatial attention.Dyslexic readers of alphabetic orthographies show deficits in visual searches, especially inefficient searches.Visual skills are particularly important for reading in Chinese, a logographic writing system known for visual complexity and lacking of grapheme–phoneme correspondence. What this paper addsChinese children with dyslexia showed impaired visual searches compared with typically developing children.Deficits of dyslexic children were more severe in inefficient searches than in efficient ones.After phonological awareness and working memory were considered, visual search dysfunction of dyslexic Chinese children was specific to the inefficient searches. Implications for theory, policy or practiceInefficient visual search skill is uniquely related to dyslexia in Chinese beyond phonological awareness, supporting sensory‐cognitive accounts of dyslexia.Selective impairment in inefficient searches underscores the importance to study top‐down attentional mechanism in reading. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Research in Reading is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1111/1467-9817.12277
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        Text: English
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      – SubjectFull: Children with dyslexia
        Type: general
      – SubjectFull: Dyslexia
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      – SubjectFull: Children with developmental disabilities
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      – SubjectFull: Phonological awareness
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      – SubjectFull: Comprehensive instruction (Reading)
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      – SubjectFull: School children
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      – SubjectFull: Early childhood education
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      – TitleFull: Deficits of visual search in Chinese children with dyslexia.
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            NameFull: Liu, Sisi
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            NameFull: Wang, Li‐Chih
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              M: 05
              Text: May2019
              Type: published
              Y: 2019
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