谈话者和口音变化的影响 快速适应和对年轻和老年人的非母语口音演讲的概括
1Department of Hearing and Speech Sciences, University of Maryland College Park, College Park MD, US.
Auditory perception & cognition
|August 16, 2024
概括
老年人可以适应不熟悉的英语口音,类似于年轻人. 在非母语英语演讲中,说话者的变化有助于学习泛化,特别是熟悉的口音.
科学领域:
- 听觉感知是一种听觉感知.
- 语音处理 语音处理
- 认知老龄化 认知老龄化
背景情况:
- 听众很容易适应非母语英语口音.
- 谈话者变异性影响语音学习,但研究结果不一致.
- 关于老年人适应发音的研究有限.
研究的目的:
- 调查适应和概括不熟悉的说话者与熟悉和不熟悉的口音.
- 将年轻的正常听力成年人与老年人 (有/没有听力损失) 进行比较.
- 检查说话者变异性对老化时语音学习的影响.
主要方法:
- 使用了通用线性混合效应回归和通用添加混合效应建模.
- 评估的适应和概括率和大小.
- 包括年轻人和老年人,有和没有听力损失.
主要成果:
- 谈话者的变化没有影响适应率或幅度.
- 越来越多的说话者增加了对熟悉的非母语口音的概括性,而不是不熟悉的口音.
- 老龄化并没有影响适应能力或概括能力.
结论:
- 演讲者变异性为非母语口音学习的概括提供了有限的好处.
- 这些发现也适用于老年人群.
- 老年听众表现出强大的适应能力和对英语发音的概括能力.
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