Speech function of the oropharyngeal isthmus: A modeling study.

IF 1.3 Q4 ENGINEERING, BIOMEDICAL Computer Methods in Biomechanics and Biomedical Engineering-Imaging and Visualization Pub Date : 2014-01-01 DOI:10.1080/21681163.2013.851627

Bryan Gick, Peter Anderson, Hui Chen, Chenhao Chiu, Ho Beom Kwon, Ian Stavness, Ling Tsou, Sidney Fels

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引用次数: 28

Abstract

A finite element method (FEM) based numerical model of upper airway structures (jaw, tongue, maxilla, soft palate) was implemented to observe interactions between the soft palate and tongue, and in particular to distinguish the contributions of individual muscles in producing speech-relevant constrictions of the oropharyngeal isthmus (OPI), or "uvular" region of the oral tract. Simulations revealed a sphincter-like general operation for the OPI, particularly with regard to the function of the palatoglossus muscle. Further, as has been observed with the lips, the OPI can be controlled by multiple distinct muscular mechanisms, each reliably producing a different sized opening and robust to activation noise, suggestive of a modular view of speech motor control. As off-midline structures of the OPI are difficult to observe during speech production, biomechanical simulation offers a promising approach to studying these structures.

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口咽峡语言功能的模型研究。

采用基于有限元法(FEM)的上呼吸道结构(颌骨、舌头、上颌骨、软腭)数值模型，观察软腭和舌头之间的相互作用，特别是区分个体肌肉在产生口咽峡(OPI)或口腔“小舌”区域的语言相关收缩中的作用。模拟结果显示，对上睑肌进行了类似括约肌的一般手术，特别是腭舌肌的功能。此外，正如在嘴唇上观察到的那样，OPI可以由多种不同的肌肉机制控制，每一种机制都能可靠地产生不同大小的开口，并且对激活噪声具有鲁强性，这表明了语言运动控制的模块化观点。由于在语音产生过程中很难观察到OPI的中线外结构，生物力学模拟为研究这些结构提供了一种很有前途的方法。

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来源期刊

Computer Methods in Biomechanics and Biomedical Engineering-Imaging and Visualization ENGINEERING, BIOMEDICAL-

CiteScore

2.80

自引率

6.20%

发文量

102

期刊介绍： Computer Methods in Biomechanics and Biomedical Engineering: Imaging & Visualization is an international journal whose main goals are to promote solutions of excellence for both imaging and visualization of biomedical data, and establish links among researchers, clinicians, the medical technology sector and end-users. The journal provides a comprehensive forum for discussion of the current state-of-the-art in the scientific fields related to imaging and visualization, including, but not limited to: Applications of Imaging and Visualization Computational Bio- imaging and Visualization Computer Aided Diagnosis, Surgery, Therapy and Treatment Data Processing and Analysis Devices for Imaging and Visualization Grid and High Performance Computing for Imaging and Visualization Human Perception in Imaging and Visualization Image Processing and Analysis Image-based Geometric Modelling Imaging and Visualization in Biomechanics Imaging and Visualization in Biomedical Engineering Medical Clinics Medical Imaging and Visualization Multi-modal Imaging and Visualization Multiscale Imaging and Visualization Scientific Visualization Software Development for Imaging and Visualization Telemedicine Systems and Applications Virtual Reality Visual Data Mining and Knowledge Discovery.