Analysis of intelligence structure and characteristics in children with high autistic trait

LIN Li-zi; ZHANG Zhe-qing; DAI Mei-xia; LUO Mei-fang; LIANG Jing-jing; LI Xiu-hong; JING Jin

doi:10.11852/zgetbjzz2018-26-04-02

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Chinese Journal of Child Health Care ›› 2018, Vol. 26 ›› Issue (4) : 352-356. DOI: 10.11852/zgetbjzz2018-26-04-02

Analysis of intelligence structure and characteristics in children with high autistic trait

LIN Li-zi¹, ZHANG Zhe-qing², DAI Mei-xia¹, LUO Mei-fang¹, LIANG Jing-jing¹, LI Xiu-hong¹, JING Jin¹

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Abstract

Objective To explore the differences of intelligence levels,intelligence structures and characteristics of cognitive processing among children with different autistic traits (AT). Methods A total of 423 normal children were recruited,and were divided into three groups (low AT,medial AT and high AT) according to the total score of Autism Spectrum Quotient from December 2015 to January 2017.Intelligence was assessed by the Chinese version of Wechsler Intelligence Scale for Children-Fourth Edition (WISC-Ⅳ) for children in different AT groups.After adjusted for covariates including gender,age,parents' educational levels and monthly family income,the full scale intelligence quotient (FIQ) and other composite indices of WISC-Ⅳ were compared among three AT groups. Results Children with high AT showed lower FIQ and composite indices of WISC-Ⅳ compared with other two groups,except for the processing speed index (PSI).After adjusted for covariates,the differences of verbal comprehension index (VCI) and cognitive proficiency index (CPI) remained statistically significant among three groups (P=0.025 and 0.033).Post hoc multiple comparisons suggested that only the VCI were higher in children with low AT than in those with medial AT,while other comparisons showed no differences.Significant strengths of children with high AT were observed on PSI compared with VCI (P=0.007). Conclusions The verbal comprehension is lower and the verbal working memory is relatively intact in children with high AT,which show the similar cognitive features with ASD children.Children with high AT show strengths on PSI when compared with VCI.

Key words

autistic trait / autism spectrum disorders / intelligence structure / verbal comprehension / working memory

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LIN Li-zi, ZHANG Zhe-qing, DAI Mei-xia, LUO Mei-fang, LIANG Jing-jing, LI Xiu-hong, JING Jin. Analysis of intelligence structure and characteristics in children with high autistic trait[J]. Chinese Journal of Child Health Care. 2018, 26(4): 352-356 https://doi.org/10.11852/zgetbjzz2018-26-04-02

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