Relationship between executive functions and motor stereotypies in children with Autistic Disorder.
Relationship between executive functions and motor stereotypies in children with Autistic Disorder.
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DOI：
10.1016/j.rasd.2012.03.001
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发表时间：
2012-07-01
影响因子：
2.5
通讯作者：
Goldman S
中科院分区：
文献类型：
--
作者：
Lemonda BC;Holtzer R;Goldman S
本研究旨在探讨自闭症儿童（AD）和发展性语言障碍（DLD）儿童的运动刻板与执行功能障碍（EF）之间的关系。我们假设，低EF性能将预测更高的频率和更长的持续时间的刻板印象，只有在AD组。从一项纵向多地点研究中招募了22名患有AD的儿童（年龄范围= 7-9岁6个月，女孩= 5），并与22名患有DLD的非自闭症儿童（年龄范围= 7-9岁6个月，女孩= 5）进行比较。两组在非语言智商和人口统计学特征上相匹配。频率和持续时间的刻板印象编码从录像半结构化的发挥会议。EF测量包括威斯康星州卡片分类任务（WCST）类别，韦氏儿童智力量表修订版（WISC-R）迷宫，斯坦福-比奈第四版（SB-IV）矩阵。AD组刻板印象的频率和持续时间得分较高。单独的线性回归显示，群体地位，EF，和他们的相互作用预测刻板印象。具体而言，较低的EF分数预测更高的频率和更长的持续时间的刻板印象在AD组。分析控制了年龄、性别和父母教育。研究结果表明，在AD中，EF损伤和刻板印象可能与共享的大脑通路有关。
This study reports on the relationship between motor stereotypies and impairments in executive functions (EF) in children with Autistic Disorder (AD) and in children with Developmental Language Disorders (DLD). We hypothesized that low EF performance would predict higher frequency and longer durations of stereotypies in the AD group only. Twenty-two children (age range = 7–9 years, 6 months, girls = 5) with AD were recruited from a longitudinal multi-site study and compared to twenty-two non-autistic children with DLD (age range = 7–9 years, 6 months, girls = 5). The two groups were matched on non-verbal IQ and demographic characteristics. Frequency and duration of stereotypies were coded from videotaped semi-structured play sessions. EF measures included the Wisconsin Card Sorting Task (WCST) Categories, Wechsler Intelligence Scale for Children-Revised (WISC-R) Mazes, and Stanford-Binet Fourth Edition (SB-IV) Matrices. The scores for frequency and duration of stereotypies were higher in the AD group. Separate linear regressions revealed that group status, EF, and their interactions predict stereotypies. Specifically, lower EF scores predicted higher frequencies and longer durations of stereotypies in the AD group only. Analyses controlled for age, gender, and parent education. Findings suggest that in AD, EF impairments and stereotypies may be linked to shared brain pathways.
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