声调调可以使语音段的差异性运动学习成为可能
Robin Karlin1,2, Emily Tesch3,2, Ding-Lan Tang4,2
1Department of Speech, Language and Hearing Sciences, University of Missouri, Columbia, Missouri, United States.
Journal of neurophysiology
|March 18, 2025
概括
运动学习通过使用上下文来适应感官错误. 语音实验表明,喉音调的运动可以为口腔发音器的学习提供上下文,即使没有意义.
科学领域:
- 神经科学是一个神经科学.
- 语音运动控制器的控制器
- 运动学习是指运动学习.
背景情况:
- 精确的运动控制依赖于感官反.
- 感官运动适应允许对感觉错误做出反应,以纠正运动.
- 之前的研究表明,运动学习可以是上下文依赖的,但往往是在同一个效应系统内.
研究的目的:
- 调查喉运动 (音调) 是否可以为口腔关器在语音中的适应提供背景.
- 为了确定不同的效应因素是否可以为运动学习提供感觉运动环境.
主要方法:
- 与普通话和英语发言人进行了三次同时进行的适应实验.
- 参与者适应了元音形式的扰动,音高作为上下文提示.
- 在有意义的音调 (词汇),任意音调和听觉音调线索的条件下测量了适应性.
主要成果:
- 汉语说话者显示基于词汇音调背景的差异性适应.
- 英语发言者在任意音调背景下表现出差异性适应.
- 当仅提供听觉音调信息时,没有发生差异性适应.
结论:
- 运动学习的感觉运动上下文可以由与学习目标不同的效应器提供.
- 喉音调运动使口腔关器运动的分化学习为元音.
- 语境运动的积极生产,而不仅仅是听觉感知,对于语境感官运动学习至关重要.
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