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口吃者喉肌和口面部肌肉活动的频谱分析。

Spectral analyses of activity of laryngeal and orofacial muscles in stutterers.

作者信息

Smith A, Luschei E, Denny M, Wood J, Hirano M, Badylak S

机构信息

Department of Audiology and Speech Sciences, Purdue University, West Lafayette, Indiana.

出版信息

J Neurol Neurosurg Psychiatry. 1993 Dec;56(12):1303-11. doi: 10.1136/jnnp.56.12.1303.

Abstract

Previous studies have reported that the disfluent speech of stutterers is often associated with tremor in orofacial muscle systems. In the present report, spectral analyses of the amplitude envelopes of laryngeal and orofacial EMGs revealed that tremor-like oscillations of EMG activity, similar to those observed in orofacial muscles, are also present in laryngeal muscles during stuttered speech. Furthermore, tremor-like oscillations in orofacial and laryngeal muscles appear to be entrained in some subjects. It is speculated that autonomic systems may provide a mechanism whereby oscillations in different muscle groups may become entrained.

摘要

先前的研究报告称,口吃者言语不流畅往往与口面部肌肉系统的震颤有关。在本报告中,对喉部和口面部肌电图(EMG)幅度包络的频谱分析显示,在口吃言语期间,喉部肌肉中也存在类似于在口面部肌肉中观察到的肌电活动震颤样振荡。此外,在一些受试者中,口面部和喉部肌肉的震颤样振荡似乎是同步的。据推测,自主神经系统可能提供了一种机制,通过该机制不同肌肉群的振荡可能会同步。

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本文引用的文献

5
Neural drive to muscles in stuttering.口吃中对肌肉的神经驱动。
J Speech Hear Res. 1989 Jun;32(2):252-64. doi: 10.1044/jshr.3202.252.
10
Laryngeal muscle activity during stuttering.口吃期间的喉部肌肉活动。
J Speech Hear Res. 1978 Sep;21(3):538-62. doi: 10.1044/jshr.2103.538.

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