切除的人喉中外侧表面形态变化对发声的影响。
Effect of changes in medial surface shape on voice production in excised human larynges.
机构信息
Department of Head and Neck Surgery, University of California, Los Angeles, 31-24 Rehab Center, 1000 Veteran Avenue, Los Angeles, California 90095-1794,
出版信息
J Acoust Soc Am. 2019 Nov;146(5):EL412. doi: 10.1121/1.5131044.
Abstract
Clinical intervention of glottal insufficiency often focuses on correcting glottal gap as visualized from above. In contrast, changes in medial surface shape due to intervention have received less attention. This study investigated how changes in medial surface shape affect voice production in excised human larynges, by locally medializing the medial surface at different longitudinal and vertical locations. The results showed that localized medialization at a more inferior location yielded better improvement in glottal closure and higher-order harmonic excitation in the produced voice. This study shows that surgical intervention of glottal insufficiency should also aim at restoring desirable medial surface shape.
摘要
临床干预声门不全通常集中于纠正从上方观察到的声门裂隙。相比之下，干预引起的内表面形状变化受到的关注较少。本研究通过在不同的纵向和垂直位置局部使内表面向内侧移位，研究了内表面形状的变化如何影响切除的人喉中的发声。结果表明，在更低的位置进行局部向内侧移位可以更好地改善声门闭合，并在产生的声音中获得更高阶的谐频激励。本研究表明，声门不全的手术干预也应旨在恢复理想的内表面形状。
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