说话速度变化对成年人语音运动变量的影响
Emily W Wang1, Maria I Grigos1
1Department of Communicative Sciences and Disorders, New York University, USA.
Language and speech
|May 24, 2024
概括
说话速度影响语音运动的变化,较慢的速度增加了所有成年年龄组的变化. 然而,更长的演讲时间不仅仅决定了更高的可变性.
科学领域:
- 语音运动控制 语音运动控制
- 神经典型的成年人语音动力学
- 与年龄相关的语音变化
背景情况:
- 了解语音运动控制对于识别与年龄相关的变化至关重要.
- 说话速度是影响语音产生和可变性的关键因素.
研究的目的:
- 研究不同年龄组的神经类型成年人说话速度和语音运动变异性之间的复杂关系.
- 检查语音产生的动力学和声学测量如何随着说话速度和年龄而变化.
主要方法:
- 在习惯性,快速和缓慢的说话速度下,在连接的语音任务中收集动态 (下唇运动) 和声学数据.
- 分析了三个年龄组的持续时间和可变性指标:年轻人 (18-30岁),成年人 (31-40岁) 和中年成人 (41-50岁).
主要成果:
- 缓慢的说话速度导致所有参与者的言语运动变化最大.
- 较年轻的成年人 (18-30岁) 与老年人相比,在快速讲话时表现出下唇孔的变化.
- 尽管与年龄相关的持续时间差异,但在不同年龄段之间没有发现声学变异的显著差异.
结论:
- 虽然缓慢的说话速度增加了语音运动的变化,但仅仅持续时间并不能预测更高的变化.
- 时机会影响语音运动的变化,但其他因素也会有很大影响.
- 语音运动变化的年龄相关差异依赖于速度,在动态与声学测量方面表现不同.
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