年龄相关听力损失对老年人工作记忆的影响:与事件相关的潜在研究
Sankalpa Madashetty1, Hari Prakash Palaniswamy1, Bellur Rajashekhar1
1Department of Speech and Hearing, Manipal College of Health Professions, Manipal Academy of Higher Education, Manipal, India.
Dementia and geriatric cognitive disorders extra
|April 11, 2024
概括
与年龄相关的听力损失 (ARHL) 会损害老年人的工作记忆 (WM),影响认知功能. 这项研究将听力下降与大脑活动减少以及对记忆任务至关重要的连接性联系起来.
科学领域:
- 神经科学是一个神经科学.
- 听力学 听力学是指听力学.
- 认知心理学 认知心理学
背景情况:
- 与年龄相关的听力损失 (ARHL) 影响像工作记忆 (WM) 这样的认知功能.
- 关于ARHL对WM的影响的研究,特别是使用N-back任务和电生理学,是有限的.
- 了解这些影响对于识别神经标记和认知过程至关重要.
研究的目的:
- 通过行为和电生理学措施调查ARHL对WM的影响.
- 探索ARHL与老年人语音噪音分数之间的相关性.
- 分析ARHL患者在WM任务期间的神经活动和功能连接.
主要方法:
- 两组 (每组n=20) 年龄为60-80岁:轻度至中度ARHL与正常听力对照.
- 听力学评估,N-back任务和简单的反应时间测试.
- 同时的脑电图 (EEG) 记录与行为数据,分析与事件相关的潜力,源估计和功能连接.
主要成果:
- 患有ARHL的个体表现出明显较低的准确性和更长的反应时间,P300幅度降低.
- 在ARHL组中观察到部和部区域的神经活动受损.
- 在一个1背任务中,上旋和岛屿之间减少了通信,与听力测量和WM结果相关.
结论:
- 在老年人中,ARHL与WM受损有关,这表明它与认知能力下降有关.
- 研究结果强调了评估WM在听力损失患者中的重要性.
- 同时的EEG和源估计为评估WM在这个人群中提供了一种有价值的方法.
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