在没有听觉反的情况下,快速语音运动校正
Morgane Bourhis1, Pascal Perrier1, Christophe Savariaux1
1Univ. Grenoble Alpes, CNRS, Grenoble-INP, GIPSA-Lab, Grenoble, France.
Frontiers in human neuroscience
|June 21, 2024
概括
语音稳定依赖于快速的舌头纠正. 这项研究表明,这些快速的舌头运动主要使用体感反,而不是听觉线索,这表明一种学习的基于体感的语言机制.
科学领域:
- 神经科学是一个神经科学.
- 语音科学 语言科学
- 生物力学 生物力学
背景情况:
- 一个快速的舌头校正机制稳定了突然扰动后的言语姿势.
- 短暂的延迟 (<150毫秒) 表明,仅体感反可以驱动这种反应.
研究的目的:
- 测试快速舌头校正机制是否仅依赖于体感反.
- 调查听觉反在语音姿势稳定中的作用.
主要方法:
- 十一名参与者低声说出母音/e/,同时他们的舌头被机器人装置扰乱.
- 用电磁关节学记录了关节的位置.
- 响应在正常和掩盖的听觉反条件下进行了比较.
主要成果:
- 观察到一种快速的补偿性舌头反应,类似于之前的发现.
- 在正常和掩盖的听觉条件之间没有发现响应幅度的显著差异.
- 舌头的移位和声音的产生都显示出类似的补偿模式.
结论:
- 快速语音校正机制似乎主要是由体感反驱动的.
- 这种机制可以通过学习来维持听觉目标,只使用体感官信息.
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