对于年轻和年长的成年人来说,用调制过的语音段进行句子识别:听力损伤和认知的影响
Daniel Fogerty1, Jayne B Ahlstrom2, Judy R Dubno2
1Department of Speech and Hearing Science, University of Illinois Urbana-Champaign, Champaign, Illinois 61820, USA.
The Journal of the Acoustical Society of America
|November 20, 2023
概括
患有听力损失的老年人与语音调制处理斗争,特别是在较慢的速度. 认知和语音见能力显著影响他们的词识别表现.
科学领域:
- 听觉神经科学 听觉神经科学
- 语音感知 语音感知
- 精神声学是一种精神声学.
背景情况:
- 语音识别依赖于处理声信号中的时间调制.
- 老年人,尤其是听力受损者,在杂的环境中往往难以理解言语.
研究的目的:
- 为了研究时间调节在语法 (0-8 Hz) 和缓慢的语音 (8-16 Hz) 速率如何影响老年人的词识别.
- 为了比较正常听力和听力受损的老年人和年轻的正常听力成年人之间的语音识别能力.
- 确定导致老年人听力损失语音识别缺陷的因素.
主要方法:
- 参与者包括正常或听力受损的老年人和正常听力年轻的成年人.
- 语音刺激被暂时过在音声声学段内和横跨音声学段,以语法和缓慢的语音速率.
- 评估了认知能力和语音识别措施.
主要成果:
- 音节语音调制 (0-8 Hz) 对单词识别在母音和辅音两部分都至关重要.
- 患有听力损失的老年人表现出处理调制过语音的显著损伤,特别是在8-16赫兹时.
- 与听力损失相关的听力障碍不仅仅是通过年龄或听力值来解释的.
结论:
- 在有听力损失的老年人中,语音识别受到时间调制处理缺陷的显著影响.
- 认知能力和语音见是导致老年人听力损失语音识别差异的关键因素.
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