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理解节律异常的言语:当节奏不重要且学习无法发生时。

Understanding dysrhythmic speech: When rhythm does not matter and learning does not happen.

机构信息

Department of Communicative Disorders and Deaf Education, Utah State University, Logan, Utah 84322, USA

School of Communication Sciences and Disorders, Florida State University, Tallahassee, Florida 32306, USA

出版信息

J Acoust Soc Am. 2018 May;143(5):EL379. doi: 10.1121/1.5037620.

Abstract

A positive relationship between rhythm perception and improved understanding of a naturally dysrhythmic speech signal, ataxic dysarthria, has been previously reported [Borrie, Lansford, and Barrett. (2017). J. Speech Lang. Hear. Res. 60, 3110-3117]. The current follow-on investigation suggests that this relationship depends on the nature of the dysrhythmia. When the corrupted rhythm cues are relatively predictable, affording some learnable acoustic regularity, the relationship is replicated. However, this relationship is nonexistent, along with any intelligibility improvements, when the corrupted rhythm cues are unpredictable. Findings highlight a key role for rhythm perception and distributional regularities in adaptation to dysrhythmic speech.

摘要

先前有研究报道,节奏感知与对自然节律紊乱的言语信号(共济失调性言语障碍)的理解的改善之间呈正相关关系[Borrie、Lansford 和 Barrett(2017)。J. Speech Lang. Hear. Res. 60, 3110-3117]。目前的后续研究表明,这种关系取决于节律紊乱的性质。当受干扰的节奏线索相对可预测时,提供了一些可学习的声学规律性,这种关系就会得到复制。然而,当受干扰的节奏线索不可预测时,这种关系就不复存在,言语可懂度也没有任何提高。研究结果突出了节奏感知和分布规律在适应节律紊乱言语中的关键作用。

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