Processing rhythm in speech and music: Shared mechanisms and implications for developmental speech and language disorders.
Processing rhythm in speech and music: Shared mechanisms and implications for developmental speech and language disorders.
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DOI：
10.1037/neu0000766
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发表时间：
2021-11
期刊：
影响因子：
2.4
通讯作者：
Tillmann B
中科院分区：
文献类型：
--
作者：
Fiveash A;Bedoin N;Gordon RL;Tillmann B
音乐和语音是复杂的信号，包含着它们如何在时间中展开的规律性。音乐和言语/语言在听觉特征、节奏结构和等级结构方面的相似之处导致了大量文献表明这两个领域之间的联系。然而，这种联系背后的确切潜在机制仍有待阐明。在这篇理论综述文章中，我们综合前人的研究，提出了一个音乐和语音节奏处理的潜在共享神经机制的框架。我们概述了音乐和言语中节奏信号的结构相似性，综合了突出的音乐和言语节奏理论，讨论了发育性言语和语言障碍中的计时障碍，并讨论了音乐节奏训练作为一种额外的、潜在有效的治疗工具来增强这些障碍的言语/语言处理。我们提出了语音和音乐中的处理节奏(PRISM)框架，该框架概述了音乐和语音/语言处理中似乎共享的三种潜在机制：精确的听觉处理，神经振荡对外部刺激的同步/夹带，以及感觉-运动耦合。这个框架的目的是为未来的研究提供方向，整合关于音乐和语音中节奏处理之间关系的认知和生物学证据。目前的框架可以作为一个基础，以调查在发育障碍中观察到的时间缺陷、拟议机制中的损伤和病理特异性缺陷之间的潜在联系，这些缺陷可以作为支持语言治疗结果的治疗和培训的靶点。在这些基础上，我们提出了未来的研究方向，并讨论了我们的框架的启示。
Music and speech are complex signals containing regularities in how they unfold in time. Similarities between music and speech/language in terms of their auditory features, rhythmic structure, and hierarchical structure have led to a large body of literature suggesting connections between the two domains. However, the precise underlying mechanisms behind this connection remain to be elucidated. In this theoretical review paper, we synthesize previous research and present a framework of potentially shared neural mechanisms for music and speech rhythm processing. We outline structural similarities of rhythmic signals in music and speech, synthesize prominent music and speech rhythm theories, discuss impaired timing in developmental speech and language disorders, and discuss music rhythm training as an additional, potentially effective therapeutic tool to enhance speech/language processing in these disorders. We propose the processing rhythm in speech and music (PRISM) framework, which outlines three underlying mechanisms that appear to be shared across music and speech/language processing: precise auditory processing, synchronization/entrainment of neural oscillations to external stimuli, and sensorimotor coupling. The goal of this framework is to inform directions for future research that integrate cognitive and biological evidence for relationships between rhythm processing in music and speech. The current framework can be used as a basis to investigate potential links between observed timing deficits in developmental disorders, impairments in the proposed mechanisms, and pathology-specific deficits which can be targeted in treatment and training supporting speech therapy outcomes. On these grounds, we propose future research directions and discuss implications of our framework.
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