Gabbard Carl, Cacola Priscila
Texas AM University, College Station, Texas, Estados Unidos.
Rev Neurol. 2010;50(1):33-8.
The study of children with developmental coordination disorder (DCD) has emerged as a vibrant line of inquiry over the last two decades. The literature indicates quite clearly that children with DCD display deficits with an array of perceptual-motor and daily living skills. The movements of children with DCD are often described as clumsy and uncoordinated and lead to difficulties with performing many of the activities of daily living and sports that typically developing children perform easily.
It has been hypothesized, based on limited research, that an underlying problem is a deficit in generating and/or monitoring an action representation termed the internal modeling deficit hypothesis. According to the hypothesis, children with DCD have significant limitations in their ability to accurately generate and utilize internal models of motor planning and control.
The focus of this review is on one of the methods used to examine action representation-motor imagery, which theorists argue provides a window into the process of action representation. Included are research methods and possible brain structures involved. An addition, a paradigm unique with this population-estimation of reachability (distance) via motor imagery, will be described.
在过去二十年中，对患有发育性协调障碍（DCD）儿童的研究已成为一个活跃的研究领域。文献清楚地表明，患有DCD的儿童在一系列感知运动和日常生活技能方面存在缺陷。患有DCD的儿童的动作通常被描述为笨拙和不协调，这导致他们在进行许多日常生活活动和体育活动时遇到困难，而正常发育的儿童则能轻松完成这些活动。
基于有限的研究，有人提出一个潜在问题是在生成和/或监控一种称为内部模型缺陷假说的动作表征方面存在缺陷。根据该假说，患有DCD的儿童在准确生成和利用运动计划与控制的内部模型的能力方面存在重大局限。
本综述的重点是用于检查动作表征的方法之一——运动想象，理论家认为它为动作表征过程提供了一个窗口。其中包括研究方法和可能涉及的脑结构。此外，还将描述一种针对该人群的独特范式——通过运动想象估计可达性（距离）。
