Difficulties in perceptual–motor coordination of reaching behavior in children with autism spectrum disorder

IF 3.2 2区心理学 Q1 BEHAVIORAL SCIENCES

Cortex Pub Date : 2024-09-30 DOI:10.1016/j.cortex.2024.08.005

Ken Kikuchi , Manami Honda , Yusuke Baba , Yosuke Kita , Takahiro Higuchi

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引用次数: 0

Abstract

Increased risk of injury from collisions with objects is an important issue in children with autism spectrum disorder (ASD). The purpose of the present study was to examine whether impaired perceptual–motor coordination may underlie the high frequency of collisions. Specifically, we hypothesized that collisions are likely to occur frequently in children with ASD due to their difficulty with body-related spatial perception and their inadequate motor planning, due to their detail-focused processing style, i.e., a tendency to focus attention on specific details rather than on the overall context. To evaluate impairment of perceptual–motor coordination in children with ASD, an original action selection task was developed to assess (a) body-related spatial perception and (b) predictive attentional properties for planning the subsequent movements based on the measures of hand movement and gaze behavior. Twenty-six children (13 diagnosed as ASD and 13 with typical development [TD]) completed the task, and their parents completed a questionnaire regarding their child's susceptibility to injury. Results showed that children with ASD displayed inaccurate body-related spatial perception and inadequate motor planning under conditions that induced their detail-focused processing style. In addition, analyses of gaze behavior reflected the characteristics of a detail-focused processing in children with ASD. This was correlated with the severity of ASD and the measure of motor planning. The present findings suggest that difficulty with perceptual–motor coordination, resulting in part from the detail-focused processing style, might contribute to susceptibility to injury in children with ASD. We consider that our evaluation of the difficulty with perceptual–motor of individuals with ASD provides a framework for understanding their high rate of collision-related injuries and could inform strategies for preventing these injuries.

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自闭症谱系障碍儿童伸手行为的感知与运动协调困难

自闭症谱系障碍（ASD）儿童与物体碰撞受伤的风险增加是一个重要问题。本研究的目的是探讨感知-运动协调能力受损是否是导致碰撞事故频发的原因。具体来说，我们假设，由于自闭症谱系障碍儿童注重细节的处理方式，即倾向于将注意力集中在具体细节而非整体环境上，因此他们在与身体相关的空间感知方面存在困难，并且运动规划不足，从而导致碰撞事故频发。为了评估 ASD 儿童在感知-运动协调方面的障碍，我们开发了一项原创的动作选择任务，以评估（a）与身体相关的空间感知和（b）基于手部运动和注视行为测量的规划后续动作的预测注意特性。26 名儿童（13 名被诊断为 ASD，13 名为典型发育[TD]）完成了这项任务，他们的父母则填写了一份关于孩子易受伤程度的调查问卷。结果表明，在诱导ASD儿童注重细节的处理方式的条件下，他们表现出与身体相关的空间感知不准确和运动规划不足。此外，对注视行为的分析也反映出 ASD 儿童注重细节的处理方式的特点。这与自闭症的严重程度和运动规划的测量结果相关。目前的研究结果表明，知觉与运动协调方面的困难，部分源于注重细节的处理方式，可能会导致 ASD 儿童容易受伤。我们认为，我们对 ASD 患儿在感知-运动协调方面的困难所做的评估为理解他们与碰撞相关的高受伤率提供了一个框架，并可为预防这些伤害的策略提供参考。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Cortex 医学-行为科学

CiteScore

7.00

自引率

5.60%

发文量

250

审稿时长

74 days

期刊介绍： CORTEX is an international journal devoted to the study of cognition and of the relationship between the nervous system and mental processes, particularly as these are reflected in the behaviour of patients with acquired brain lesions, normal volunteers, children with typical and atypical development, and in the activation of brain regions and systems as recorded by functional neuroimaging techniques. It was founded in 1964 by Ennio De Renzi.