站立时识别语音作为年轻人,中年人和老年人的多任务挑战
Mira Van Wilderode1, Nathan Van Humbeeck2, Ralf Krampe2
1Department of Neurosciences, Research Group Experimental ORL, KU Leuven, Leuven, Belgium.
Trends in hearing
|July 25, 2024
概括
即使在简单的听力任务中,多任务处理也会影响平衡. 听力表现下降,特别是在老年人中,而平衡有所改善,这表明听力和姿势之间存在联系.
科学领域:
- 听觉神经科学 听觉神经科学
- 生物力学 生物力学
- 人类因素 人类因素
背景情况:
- 众所周知,倾听和姿势控制相互作用,特别是在高认知负载下.
- 之前的研究主要在苛刻的语音识别任务中检查了这种相互作用.
研究的目的:
- 为了研究听力和姿势控制之间的相互作用,在语音识别任务与最小的认知需求.
- 确定多任务处理是否会影响认知负载较低时的听觉和姿势表现.
主要方法:
- 参与者 (年轻人,中年人,老年人) 执行了单一的听觉任务,单一的姿势任务和双重任务.
- 通过单词大声 (25/30 dB SPL) 和平台稳定性 (稳定/移动) 来操纵任务难度.
- 听力障碍通过提高声音水平来适应.
主要成果:
- 在双重任务条件下,听力表现下降,特别是在中年和老年人中.
- 姿势控制表现在双重任务期间表现出改善.
- 听力损失被确定为语音识别和姿势控制的更强有力的预测因素,而不是时间上的年龄.
结论:
- 倾听和姿势控制之间的相互作用存在,即使倾听的认知需求是最小的.
- 听力能力显著影响同时执行听觉和姿势任务的能力.
- 与年龄相关的听力损失可能在观察到的多任务效应中发挥关键作用.
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