Abstract：Objective To investigate the features of intelligence development, facial expression recognition ability, and the association between them in children with autism spectrum disorder (ASD). Methods A total of 27 ASD children aged 6-16 years (ASD group, full intelligence quotient > 70) and age- and gender-matched normally developed children (control group) were enrolled. Wechsler Intelligence Scale for Children Fourth Edition and Chinese Static Facial Expression Photos were used for intelligence evaluation and facial expression recognition test. Results Compared with the control group, the ASD group had significantly lower scores of full intelligence quotient, verbal comprehension index, perceptual reasoning index (PRI), processing speed index (PSI), and working memory index (WMI) (P < 0.05). The ASD group also had a significantly lower overall accuracy rate of facial expression recognition and significantly lower accuracy rates of the recognition of happy, angry, sad, and frightened expressions than the control group (P < 0.05). In the ASD group, the overall accuracy rate of facial expression recognition and the accuracy rates of the recognition of happy and frightened expressions were positively correlated with PRI (r=0.415, 0.455, and 0.393 respectively; P < 0.05). The accuracy rate of the recognition of angry expression was positively correlated with WMI (r=0.397; P < 0.05). Conclusions ASD children have delayed intelligence development compared with normally developed children and impaired expression recognition ability. Perceptual reasoning and working memory abilities are positively correlated with expression recognition ability, which suggests that insufficient perceptual reasoning and working memory abilities may be important factors affecting facial expression recognition ability in ASD children.
PAN Ning,WU Gui-Hua,ZHANG Ling et al. Association between intelligence development and facial expression recognition ability in children with autism spectrum disorder[J]. CJCP, 2017, 19(3): 275-279.
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