听力损失和工作记忆能力对上下文使用和依赖上下文的影响在老年人中
Jiayuan Shen1, Jiayu Sun2, Zhikai Zhang3
1School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Zhejiang, China.
Ear and hearing
|January 26, 2024
概括
老年人使用语义上下文来改善语音理解和回忆,特别是在听力损失或工作记忆较低的情况下. 这种依赖上下文受噪声水平的影响.
科学领域:
- 听觉神经科学 听觉神经科学
- 认知心理学 认知心理学
- 老年学是一门学科.
背景情况:
- 老年人在杂的环境中面临沟通挑战.
- 语义上下文有助于语音识别,但老年人不同听力和认知能力的使用情况尚不清楚.
研究的目的:
- 研究语义上语境如何影响老年人的语音识别,回忆,倾听力度和噪音耐受性.
- 确定听力损失和工作记忆能力对上下文使用和依赖的影响.
主要方法:
- 研究包括106名老年人 (正常听力与轻度至中度听力损失),按工作记忆能力分类 (高与低).
- 参与者在高和低上下文条件下完成了语音重复和回忆任务,跨越各种信号噪声比 (SNR).
- 计算了上下文使用 (CU) 和上下文使用 (PCU) 的比例;主观地评估了听力和噪声耐受性.
主要成果:
- 语义上语境改善了语音识别,回忆,减少了听力,并增加了所有参与者的噪音耐受性.
- 听力损失在低语境条件下加剧了语音识别困难,但在高语境条件下影响了回忆和噪音耐受性.
- 患有听力损失和工作记忆能力低的老年人使用语义上下文和依赖性增加,特别是在中度SNR时.
结论:
- 语义上下文增强了语音可理解性,并释放了老年人记忆的认知资源.
- 听力损失和低工作记忆能力显著增加了老年人的使用和依赖语义上下文,由SNR调节.
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