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自闭谱系障碍:一种主动性的社会认知控制缺陷 被引量:3

Autism Spectrum Disorder as A Disorder of Proactive Control in Social Cognition
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摘要 认知控制是一项高级的认知能力,是个体执行功能的一部分。包括认知控制在内的执行功能缺陷被认为是自闭谱系障碍的主要原因之一。本研究基于双重认知控制模型,通过非社会性和社会性两个领域的任务比较了自闭谱系障碍儿童(ASD)与其在智龄上匹配的正常发展儿童(TD)的认知控制能力的差异。结果发现:(1)ASD儿童在非社会性领域的认知控制上不存在缺陷,ASD儿童在社会性领域的认知控制上仅表现出了主动性认知控制缺陷,不存在反应性认知控制缺陷;(2)ASD儿童的主动性控制并不像TD儿童一样出现两个领域的加工分化,他们没有像TD儿童一样,表现出社会性领域的主动性控制的优势;(3)社会性领域的主动性控制和反应性控制可以显著从负、正两个方向上预测自闭症状的严重程度。本研究认为,可以把ASD看成是一种主动性的社会认知控制缺陷。社会性领域的认知控制指标可为ASD的诊断与训练提供重要参考。 Autism spectrum disorder(ASD) is a neurodevelopmental disorder marked by deficits in communication and social interaction, accompanied by restricted, repetitive patterns of behaviors and interests(American Psychiatric Association, 2013). Since the initial description of autism by Kanner(1943), problems in social and emotional reciprocity are considered a hallmark of the disorder.Cognitive control which is taken as a part of the individual executive function is an advanced cognitive ability and the executive function defects including cognitive control are considered to be one of the main causes of children with autistic spectrum disorders.This study investigated the traits of cognitive control in children with autistic spectrum disorders. On the basis of dual cognitive control model, this study compared the differences in cognitive control ability between children with autistic spectrum disorders(N=15) and normal development children(N=20) through the tasks in both non-social field and social field. We used the AX continuous performance test(AX-CPT)) to collect the reaction times and the number of correct response. In this task, participants were required to respond to the subsequently presented target stimulus(X/Y) based on the first presented cue stimulus(A/B). The target stimulus was defined as A-X pairing(i.e., only if the cue stimulus was A and the target stimulus was X, the response to the target stimulus needed to be made). A non-target response was designed to other pairing(A-Y, B-X, B-Y). The proportion of trial times of target pairing(A-X pairing) was 70%, and that of other pairing(A-Y, B-X, B-Y) was 10% respectively.We took the reaction times in AY trails as the parameter of proactive control, and the reaction times in BX trails as the parameter of reactive control. We furtherly calculated the proactive control level basing on the reaction times in trail AY and BX.To more accurately reflect the difference in the degree of proactive processing between the two groups of children, the researchers further calculated the proactive control rate(i.e., PR=[(AY-BX)/(AY)]). The results showed that :(1) Children with autistic spectrum disorders did not show defects in cognitive control in non-social field. On the contrary, they only showed defects in proactive cognitive in social field and their cognitive control was intact in reactive control in both social field and non-social field.(2) Children with autistic spectrum disorders did not show proactive preference in social filed and there was no differentiation between social field and non-social field when compared with normal development children;(3) Proactive control and proactive control rate in the social field could positively predict the severity of autistic symptoms, and reactive control in the social field could negatively predict the severity of autistic symptoms.According to this study, we concluded that: Children with autistic spectrum disorders could be regarded as a special case of proactive social cognitive control defect and the development in this field might be delayed. Proactive control and proactive control rate in social field can provide important reference of diagnosis and training for children with autistic spectrum disorders.
作者 宋永宁 俞晨曦 夏榕 Song Yongning;YuChenxi;Xia Rong(School of Psychology and Cognitive Science,East China Normal University,Shanghai,264200)
出处 《心理科学》 CSSCI CSCD 北大核心 2021年第3期745-753,共9页 Journal of Psychological Science
基金 上海哲社一般课题(A1812)的资助。
关键词 自闭谱系障碍 主动性控制 反应性控制 社会认知 Autistic spectrum disorder proactive control reactive control social cognition
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