患有DCD的儿童表现出更强烈的自动模仿效应,伴随着延迟的早期视觉处理.
Griet Warlop1, Silvia Formica2, Emiel Cracco3
1Department of Movement and Sports Sciences, Ghent University, Ghent, Belgium.
Cortex; a journal devoted to the study of the nervous system and behavior
|September 17, 2025
概括
患有发育协调障碍 (DCD) 的儿童比通常发育的同龄人表现出更强烈的自动模仿,挑战了关于DCD中运动表现受损的先前假设.
科学领域:
- 神经科学是一个神经科学.
- 发展心理学 发展心理学
- 发动机控制器的控制器
背景情况:
- 发育协调障碍 (DCD) 通常与内部运动表征受损有关.
- 据信,自动模仿效应依赖于这些内部运动表示.
研究的目的:
- 调查在有或没有DCD的儿童中自动模仿效应.
- 在两组中比较自动模仿的行为和神经基础.
主要方法:
- 在36名DDC儿童和36名对照儿童中,评估了使用手指敲击任务的自动模仿.
- 测量反应时间和电脑电图 (EEG) 事件相关潜力 (ERP).
主要成果:
- 与对照组相比,患有DCD的儿童表现出明显更强的自动模仿效应.
- 在患有DCD的儿童中观察到身体部位的视觉处理延迟 (N190延迟).
- 两组之间发动机准备 (准备能力) 没有发现差异.
结论:
- 研究结果不支持DDC儿童内在动作表现受损的假设.
- 患有DCD的儿童不会表现出减少的自动模仿.
- 改变的感知时间可能会导致DCD的运动控制缺陷.
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