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语音运动规划期间的感知形式歧视

Hantao Wang¹, Yusuf Ali¹, Ludo Max¹

¹Department of Speech and Hearing Sciences, University of Washington, Seattle, Washington, United States of America.

|April 2, 2024

概括

语音规划降低了元音感知灵敏度. 这项研究发现,在准备发言时,发言者对母音的微妙变化不那么敏感,这会影响发言过程中的听觉处理.

科学领域:

听觉神经科学听觉神经科学
语音制作语音制作
精神声学是一种精神声学.

背景情况:

唤起的潜在研究表明,语音规划会影响听觉皮层活动.
这种语音诱导的听觉调制的功能意义仍然不清楚.

研究的目的:

调查语音规划是否影响对元音形成区别的感知敏感性.
在语音规划时间框架内确定听觉调制的功能相关性.

主要方法:

参与者评价了相同/不同的自我产生的元音对和形式转移的版本.
在说话,被动倾听或沉默阅读之前,刺激被呈现出来.
在形式歧视中测量了刚刚可见的差异 (JND).

主要成果:

与沉默阅读相比,发音形成区分的敏感性在说话之前显著降低.
这种降低灵敏度的发生,不管刺激-声音/计划语音一致性.
没有观察到显著的一致性效应.

结论:

语音规划损害了对元音形式的听觉感知灵敏度.
这一发现提供了关于在语音准备过程中听觉处理调制的功能作用的见解.
听觉敏感度降低可能是语言规划的神经需求的结果.

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