视觉偶联对单侧痉挛性脑瘫双手协调能力的影响

S. A. Mutalib, M. Mace, H. Ong, E. Burdet
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引用次数: 3

摘要

在手工任务中同时控制两个物体是一个认知要求很高的过程;为了实现共同的任务目标,两只手需要在时间和空间上进行协调。患有单侧痉挛性脑瘫(USCP)的儿童表现出身体一侧严重的感觉和运动障碍,这使得协调双手运动的过程特别疲惫。先前的研究表明,在不耦合的双手任务中,执行视觉耦合任务可以减少与“同时执行两项任务”相关的认知干扰。对于患有USCP的儿童,他们也有认知延迟,执行这种类型的任务可以让他们更快地处理和计划他们的运动。我们通过检查7名USCP儿童在单手和视觉耦合的双手任务中的握力控制来验证这一假设。结果表明,尽管视觉偶联,但这些儿童的双手协调能力仍然受损。然而,视觉耦合任务可能有一个潜在的好处,即鼓励两只手一起启动。讨论了本研究对USCP患儿的意义。
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Influence of visual-coupling on bimanual coordination in unilateral spastic cerebral palsy
Controlling two objects simultaneously during a bimanual task is a cognitively demanding process; both hands need to be temporally and spatially coordinated to achieve the shared task goal. Children with unilateral spastic cerebral palsy (USCP) exhibit severe sensory and motor impairments to one side of their body that make the process of coordinating bimanual movements particularly exhausting. Prior studies have shown that performing visually-coupled task could reduce cognitive interference associated with performing ‘two tasks at once’ in an uncoupled bimanual task. For children with USCP, who also present with cognitive delay, performing this type of task may allow them to process and plan their movement faster. We tested this hypothesis by examining the grip force control of 7 children with USCP during unimanual and visually-coupled bimanual tasks. Results demonstrated that despite the visual coupling, the bimanual coordination of these children remained impaired. However, there may be a potential benefit of visually-coupled task in encouraging both hands to initiate in concert. The implication of the study for children with USCP is discussed.
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