正常语言和舌切除语言中/s/的变化模式。

IF 1.3 Q4 ENGINEERING, BIOMEDICAL
Maureen Stone, Jonghye Woo, Jiachen Zhuo, Hegang Chen, Jerry L Prince
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引用次数: 4

摘要

语音的产生包括语音手势的相当大的可变性,尽管我们感知到非常重复的声音。当不同的说话者发出相同的声音时,声道形状和舌头轮廓会发生变化。这项研究的问题是,一个特定声音的内部舌头运动模式是否在不同的对象之间相似,或者它们是否表明了多种手势。发音/s/有两种变体,可以产生两种手势,也可以代表多种手势。本文的第一个目标是量化正常说话者在这些音素之间的舌头内部差异。第二个目标是测试这些差异是如何受到具有不同语言手势的受试者的影响的:正常对照者和做过舌癌手术的受试者。该研究使用带标签的MRI来捕捉舌正中矢状面运动模式,并通过主成分分析来识别定义受试者群体和类型的变异模式。结果显示,无论是舌尖还是整个舌头,在舌尖和椎板控制之间没有运动差异。这些结果并不支持舌尖/s/和层板/s/的独特舌头行为。然而,根尖病人不同于所有其他的说话者,并且作为一个群体是相当一致的。他们没有上升和相当的向下/向后的舌尖运动。这与维持尖叶区域与上颚保持适当距离的困难一致。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Patterns of variance in /s/ during normal and glossectomy speech.

Patterns of variance in /s/ during normal and glossectomy speech.

Patterns of variance in /s/ during normal and glossectomy speech.

Patterns of variance in /s/ during normal and glossectomy speech.

The production of speech includes considerable variability in speech gestures despite our perception of very repeatable sounds. Variability is seen in vocal tract shapes and tongue contours when different speakers produce the same sound. This study asks whether internal tongue motion patterns for a specific sound are similar across subjects, or whether they indicate multiple gestures. There are two variants of the sound /s/, which may produce two gestures, or may represent a multitude of gestures. The first goal of this paper is to quantify internal tongue differences between these allophones in normal speakers. The second goal is to test how these differences are affected by subjects expected to have different speech gestures: normal controls and subjects who have had tongue cancer surgery. The study uses tagged MRI to capture midsagittal tongue motion patterns and Principal Components Analyses to identify patterns of variability that define subject groups and /s/-types. Results showed no motion differences between apical and laminal controls in either the tongue tip or whole-tongue. These results did not support unique tongue behaviours for apical and laminal /s/. The apical patients, however, differed from all other speakers and were quite uniform as a group. They had no elevation and considerable downward/backward motion of the tongue tip. This was consistent with difficulty maintaining the tip-blade region at the proper distance from the palate.

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来源期刊
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.
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