Tsunoda K, Ohta Y, Soda Y, Niimi S, Hirose H
Department of Otolaryngology, Nissan Tamagawa Hospital, Tokyo, Japan.
Ann Otol Rhinol Laryngol. 1997 Jan;106(1):41-3. doi: 10.1177/000348949710600108.
Previous studies confirmed that during whispering the glottis is kept open to prevent vocal fold vibration and the supraglottal structures are constricted. However, there has been no study exploring the exact contour of the laryngeal lumen in the frontal dimension during the production of whispering. In order to further elucidate the nature of the laryngeal adjustments regarding the contour of the laryngeal lumen in whispering, and the role of supraglottal constriction in particular, we conducted a physiological study using magnetic resonance imaging. According to the results, the supraglottal structures were not only constricted but also shifted downward, attaching to the vocal fold to prevent vocal fold vibration completely during whispering. The results suggested the underlying mechanism of suppression of vocal fold vibration during the production of whispering.
先前的研究证实，在低语时声门保持开放以防止声带振动，声门上结构会收缩。然而，尚无研究探讨低语发声时喉腔在额状面上的确切轮廓。为了进一步阐明低语时喉腔轮廓的喉部调整的本质，特别是声门上收缩的作用，我们使用磁共振成像进行了一项生理学研究。根据结果，声门上结构不仅收缩，而且向下移位，附着于声带以在低语时完全防止声带振动。这些结果提示了低语发声时声带振动抑制的潜在机制。
