在双重任务行走期间的声音变化在帕金森病中
Yi-Fang Chiu1, Jason K Longhurst2, Annalise R Fletcher3
1Department of Speech, Language & Hearing Sciences, Saint Louis University, Saint Louis, MO.
Journal of communication disorders
|January 6, 2026
概括
患有帕金森病 (PD) 的人在双重任务中优先考虑说话而不是走路,表现出类似的声音增加,但与健康成年人相比,步态下降更大. 运动症状可能会影响这些效应.
科学领域:
- 神经科学是一个神经科学.
- 发动机控制器的控制器
- 语音科学 语言科学
背景情况:
- 同时说话和走路是必不可少的日常活动.
- 了解帕金森病 (PD) 中的双重任务挑战对于保持独立至关重要.
研究的目的:
- 调查双重任务步行与自发言语对PD患者的音声和步行参数的影响.
- 为了比较PD患者和健康的老年人 (HOA) 之间的这些影响.
主要方法:
- 三十六名患有PD和11名HOA的个体执行了单个和双重任务 (单口 + 简单/复杂的步态).
- 分析了声参数 (SPL,F0) 和步态变量 (速度,步长,eGVI).
- 多层线性模型评估了群体和条件效应.
主要成果:
- 在双重任务中,两组都增加了声声压力水平 (SPL) 和基本频率 (F0).
- 患PD组的步行速度和步伐长度显著减少,特别是在复杂的步行过程中.
- 在PD患者的双重任务条件下,与HOA相比,PD患者的步行障碍更大.
结论:
- 患有PD的个体在双重任务时优先考虑声音输出而不是步行稳定性,类似于HOA,但步行更大的妥协.
- 这表明任务优先级偏好了PD中的语音.
- 运动症状和平衡控制可能会调节PD语音产生的双重任务的好处.
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