在患有发育协调障碍 (DCD) 的儿童中,在双重任务时谈判障碍:一种增强现实方法
Emily Subara-Zukic1, Thomas B McGuckian1, Michael H Cole1
1Healthy Brain and Mind Research Centre, School of Behavioural and Health Sciences, Australian Catholic University, Australia.
Research in developmental disabilities
|October 5, 2024
概括
患有发育协调障碍 (DCD) 的儿童在同时执行运动和认知任务时表现出更大的挑战,特别是在障碍谈判期间. 这突显了双重任务时,DDC儿童的潜在安全风险.
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
- 生物力学 生物力学
背景情况:
- 患有发育协调障碍 (DCD) 的儿童在运动控制,平衡和认知处理方面遇到困难.
- 这些缺陷可能会影响他们在行走时安全地穿越障碍物的能力.
- 双重任务,即同时执行认知和运动任务,可能会加剧这些挑战.
研究的目的:
- 调查DDC儿童与典型发育 (TD) 同龄人之间的障碍谈判期间运动和认知双重任务的差异.
- 在这些群体中量化双重任务对步态和认知表现的成本.
主要方法:
- 34名6至12岁的儿童 (16 TD,18 DCD) 走路,跨越不同高度的障碍物.
- 一个认知视觉区分任务 (简单或复杂) 通过走路时的增强现实呈现.
- 按比例的双重任务成本 (pDTC) 在障碍前,跨越阶段和障碍后阶段进行了测量.
主要成果:
- 这两组在双重任务时,在转变阶段增加了前腿空隙.
- 在简单的认知负载下,DCD组在高障碍上表现出比TD组更大的pDTC.
- 复杂的认知任务导致 pDTC 在领先的腿部清除和障碍后的步态变化在两个组中都更大.
结论:
- 患有DCD的儿童可以在简单的双重任务条件下在障碍谈判期间采用补偿策略.
- 复杂的认知需求同样影响了这两组,这表明了一般的双重任务成本.
- 在障碍物谈判过程中认知和运动需求的相互作用对儿童,特别是患有DCD的儿童构成潜在的安全问题.
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