语音和灰色质量体积的年龄相关差异:多语言主义的调节作用
Hanxiang Yu1, Keyi Kang1, Christos Pliatsikas2
1Centre for Cognitive and Brain Sciences, University of Macau, Taipa, Macau SAR, China; Department of Psychology, University of Macau, Taipa, Macau SAR, China.
NeuroImage
|March 18, 2025
概括
老龄化会影响语言质量和大脑结构. 多语言可能会增强老年人的言语,与特定的大脑区域,如右侧中圈至关重要.
科学领域:
- 神经科学是一个神经科学.
- 语言学的语言学.
- 老年学是一门学科.
背景情况:
- 语音能力自然会随着年龄的增长而下降,影响流性和复杂性.
- 老年人表现出灰质体积减少,但其与语音变化的联系尚不清楚.
- 多语言可能会根据语言背景不同地影响与年龄相关的语音模式.
研究的目的:
- 为了研究与年龄相关的大脑结构差异和多语言语言之间的关系.
- 检查多语言体验如何影响老年人不同语言的语言质量.
- 识别老年人参与多语言语言的特定大脑区域.
主要方法:
- 计算了语音质量的综合测量.
- 在母语 (广东语) 和非母语 (普通话) 语言中比较语音表现.
- 与年龄和多语言经验相关的语音质量和大脑灰质量.
主要成果:
- 与年轻人相比,老年人的整体语音质量较低.
- 母语表达优于非母语表达,特别是在老年人中.
- 广泛的多语言使用与母语和非母语语言的更好的语音质量相关.
- 年长的成年人有较低的全脑灰质体积.
- 在老年人中,右侧中旋对于两种语言的言语至关重要.
- 在老年人的言语中观察到对多语言体验的双边门敏感性.
结论:
- 年龄显著影响言语和灰质体积.
- 多语言学可以提高老年人的言语表现.
- 特定的大脑区域,包括右侧中旋和双边膜,是理解年龄,多语言和语言的关键.
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