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通过皮肤进行的耳膜迷走神经刺激增强了老年人与年龄相关的听力损失的工作记忆

Junyoung Shin¹, Shinhee Noh¹, Jimin Park¹

¹Department of Communication Disorders, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemoon-gu, Seoul, 03760, South Korea.

Scientific reports

|July 22, 2025

概括

通过皮肤进行的耳膜迷走神经刺激 (taVNS) 改善了听力受损的老年人工作记忆. 这种干预措施对与年龄相关的听力损失相关的认知挑战有希望.

科学领域:

神经科学是一个神经科学.
老年学是指老年学的学科.
听力学听力学是指听力学.

背景情况:

与年龄相关的听力损失 (ARHL) 与更高的痴呆风险有关,需要早期认知干预.
通过皮肤进行的耳道迷走神经刺激 (taVNS) 显示了潜在的认知障碍,但其对听力障碍 (HI) 的老年人工作记忆 (WM) 的影响尚不清楚.

研究的目的:

这项研究调查了taVNS对老年HI和典型听力 (TH) 的老年人WM的影响.
它旨在确定taVNS是否可以提高HI个体的WM表现.

主要方法:

使用了对象内部,随机交叉,单盲模拟控制的设计.
参与者在20分钟的活跃或虚拟taVNS后完成了n-back任务 (口头和视觉空间,1-back和2-back).
在HI和TH组之间以及在HI组内,在活跃与假设条件下,性能进行了比较.

主要成果:

与TH组相比,HI组在双背任务上的表现较低.
与假刺激相比,taVNS在HI组的所有领域和复杂性中显著改善了WM性能.

结论:

在老年人中,taVNS有效地增强了听力障碍的工作记忆.
这表明taVNS是管理与ARHL相关的WM缺陷的潜在临床策略.

关键词:

与年龄有关的听力损失.认知干预是一种认知干预.在 N-back 任务任务中.通过皮肤进行耳道迷走神经刺激.工作记忆工作记忆

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