Preliminary study on multiple cognitive processing characteristics in Chinese children with developmental dyslexia

HU Xiao-yun; WANG Qi; CHEN Yu-xia; GUO Yang-feng; WU Jing; LI Xiu-hong

doi:10.11852/zgetbjzz2018-26-04-03

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Chinese Journal of Child Health Care ›› 2018, Vol. 26 ›› Issue (4) : 357-360. DOI: 10.11852/zgetbjzz2018-26-04-03

Preliminary study on multiple cognitive processing characteristics in Chinese children with developmental dyslexia

HU Xiao-yun¹, WANG Qi², CHEN Yu-xia², GUO Yang-feng², WU Jing¹, LI Xiu-hong¹

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Abstract

Objective To study eight cognitive processing abilities in Chinese children with developmental dyslexia (DD),and to initially explore the main characteristics of cognitive processing defects and its causal relationship with DD. Methods A total of 28 DD children were enrolled in case group,and 28 normal children with matched reading-level (RL) and 28 normal children with equivalent chronological age(CA) were selected as control group.The Dyslexia Checklist for Chinese Children (DCCC) was used to compare the multiple of cognitive processing characteristics in children of three groups. Results The T scores of DCCC(F=8.05),written expression disorder(F=12.20),unhealthy reading habits(F=4.14),attention deficits(F=4.57),visual perception deficits(F=12.29),writing disorder(F=7.26),auditory perceptual deficits(F=5.56)and meaning comprehension disorder(F=4.79)in DD children were significantly higher than those of the controls (P<0.05).But the scores of spoken language barriers(F=1.55)among three groups were not significantly different (P>0.05).Logistic regression analysis showed that compared with reading level,visual impairment (OR=0.915,95%CI:0.838~0.999) was the main defect in Chinese DD children;Compared with chronological age,visual impairment (OR=0.908,95%CI:0.828~0.996) and written expression disorder (OR=0.818,95%CI:0.695~0.963) were the main defects of Chinese DD children. Conclusions Multiple cognitive deficits exist in Chinese DD children.The core defect of Chinese DD is visual impairment,and written expression disorder may be greatly influenced by reading level.

Key words

developmental dyslexia / children / Dyslexia Checklist for Chinese Children / cognitive abilities / literacy

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HU Xiao-yun, WANG Qi, CHEN Yu-xia, GUO Yang-feng, WU Jing, LI Xiu-hong. Preliminary study on multiple cognitive processing characteristics in Chinese children with developmental dyslexia[J]. Chinese Journal of Child Health Care. 2018, 26(4): 357-360 https://doi.org/10.11852/zgetbjzz2018-26-04-03

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