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脑震荡后走路时说话:脑震荡对语音暂停和步行速度的急性影响

Shu Yang, Paula K Johnson, Colby R Hansen

medRxiv : the preprint server for health sciences

|August 30, 2024

概括

脑震荡患者经历双重任务 (DT) 走路障碍,在走路和说话时表现出较慢的速度和增加的暂停. 这些DT缺陷与前体症状相关,影响日常活动.

科学领域:

神经科学是一个神经科学.
康复科学康复科学康复科学

背景情况:

在脑震荡 (轻度创伤性脑损伤) 后,双重任务 (DT) 缺陷很常见.
传统的DT测试可能缺乏现实世界的相关性.
一边走一边说话是一项挑战认知和运动功能的日常活动.

研究的目的:

为了研究脑震荡对走路的影响,同时随意说话.
探索DT表现和急性脑震荡后症状之间的关系.

主要方法:

最近脑震荡 (<14天) 和对照组的参与者进行了单任务步行,单任务语音和走路而说话的DT.
语音暂停测量认知负载;步态被惯性传感器跟踪.
线性混合模型分析了群体差异和症状关联.

主要成果:

与单一任务条件相比,两组都在DT期间表现出增加的语音暂停和较慢的步伐.
脑震荡组表现出较慢的步行速度和DT期间速度的更大下降.
在语音暂停持续时间方面没有发现群体差异.
在单任务和DT条件下,静脉的症状与语音暂停时间和步行速度有很强的相关性.

结论:

在脑震荡后,随时走路而说话是一个挑战.
DT缺陷似乎与特定的脑震荡后症状有关,特别是前庭问题.
DT性能受损可能会对脑震荡后的日常功能产生负面影响.

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