Atypical development of sequential manual motor planning and visuomotor integration in children with autism at early school-age: A longitudinal kinematic study.

IF 5.2 2区 心理学 Q1 PSYCHOLOGY, DEVELOPMENTAL
Autism Pub Date : 2025-01-06 DOI:10.1177/13623613241311333
Anna Bäckström, Anna-Maria Johansson, Thomas Rudolfsson, Louise Rönnqvist, Claes von Hofsten, Kerstin Rosander, Erik Domellöf
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Abstract

Lay abstract: Many children with autism struggle with movement difficulties, yet the causes of these difficulties remain unclear. One possible explanation is atypical motor planning and integration of visual and motoric information. Before performing a goal-directed movement, the brain creates a prediction of the movement based on visual and sensory information and previous experience, forming a "blueprint" of the motor steps needed to achieve the goal. This process is called motor planning. During movement, adjustments to the plan can be made through feedback mechanisms. This longitudinal study aimed to examine the development of motor planning in children with autism and typically developing children over early school-age (7-9 years). The children performed a sequential manual peg-rotation task, which involved grasping, rotating, and placing a peg, while detailed measures of movement were collected. Task end-goal difficulty varied, and the goal was either initially occluded or fully visible. The results revealed that children with autism showed atypical motor planning development compared with typically developing peers, and these differences became more pronounced as the children grew older. As the typically developing children matured, they appeared to rely more on initial visual information, which assisted them in motor planning. However, this facilitation did not occur for children with autism. These findings suggest that the differences in motor planning seen in children with autism may be linked to atypical visuomotor integration, highlighting the need for individualized interventions. Furthermore, it is crucial to consider developmental aspects to fully understand motor planning in children with autism.

学龄前自闭症儿童的顺序手动运动规划和视觉运动整合的非典型发展:一项纵向运动学研究。
摘要:许多自闭症儿童与运动困难作斗争,但造成这些困难的原因尚不清楚。一种可能的解释是不典型的运动规划以及视觉和运动信息的整合。在进行目标导向的运动之前,大脑根据视觉和感官信息以及之前的经验对该运动进行预测,形成实现目标所需的运动步骤的“蓝图”。这个过程被称为运动规划。在运动过程中,可以通过反馈机制对计划进行调整。这项纵向研究旨在检查自闭症儿童和典型发展儿童在学龄早期(7-9岁)运动规划的发展。孩子们执行一个连续的手动旋转木栓任务,包括抓握、旋转和放置木栓,同时收集详细的运动测量。任务最终目标的难度各不相同,目标要么最初被遮挡,要么完全可见。结果显示,与正常发育的同龄人相比,自闭症儿童表现出非典型的运动计划发育,随着孩子年龄的增长,这些差异变得更加明显。随着正常发育的儿童逐渐成熟,他们似乎更多地依赖于最初的视觉信息,这有助于他们进行运动规划。然而,这种促进作用并没有发生在自闭症儿童身上。这些发现表明自闭症儿童运动规划的差异可能与非典型视觉运动整合有关,强调了个性化干预的必要性。此外,考虑发育方面对充分理解自闭症儿童的运动规划是至关重要的。
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
Autism
Autism PSYCHOLOGY, DEVELOPMENTAL-
CiteScore
9.80
自引率
11.50%
发文量
160
期刊介绍: Autism is a major, peer-reviewed, international journal, published 8 times a year, publishing research of direct and practical relevance to help improve the quality of life for individuals with autism or autism-related disorders. It is interdisciplinary in nature, focusing on research in many areas, including: intervention; diagnosis; training; education; translational issues related to neuroscience, medical and genetic issues of practical import; psychological processes; evaluation of particular therapies; quality of life; family needs; and epidemiological research. Autism provides a major international forum for peer-reviewed research of direct and practical relevance to improving the quality of life for individuals with autism or autism-related disorders. The journal''s success and popularity reflect the recent worldwide growth in the research and understanding of autistic spectrum disorders, and the consequent impact on the provision of treatment and care. Autism is interdisciplinary in nature, focusing on evaluative research in all areas, including: intervention, diagnosis, training, education, neuroscience, psychological processes, evaluation of particular therapies, quality of life issues, family issues and family services, medical and genetic issues, epidemiological research.
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