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相关概念视频

Larynx01:21

Larynx

The human larynx, often referred to as the voice box, is an intricate organ located in the neck. It serves as a pathway for air to enter the lungs during respiration and is an essential component of voice production.
Anatomy of the Larynx
The larynx consists of various components, including cartilage, muscles, and vocal cords. Its structure includes three large unpaired cartilages—the thyroid, cricoid, and epiglottis—and three smaller paired cartilages—the arytenoids, corniculates, and...

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使用门诊数据和计算模型估计音响创伤性声高功能病理生理学.

Jesús A Parra1, Emiro J Ibarra1, Carlos Calvache2

  • 1Universidad Técnica Federico Santa María, Valparaíso, Chile.

Journal of speech, language, and hearing research : JSLHR
|February 18, 2025
PubMed
概括

这项研究将语音测量与肌肉活动和在音声创伤性声高功能 (PVH) 中的亚球压力联系起来. 较高的每日音声创伤得分与特定的肌肉激活模式和增加的压力相关,这表明声乐努力会影响PVH.

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科学领域:

  • 语音和声音科学 语音和声音科学
  • 生物医学工程 生物医学工程
  • 耳鼻喉科 耳鼻喉科 耳鼻喉科

背景情况:

  • 音声创伤性声高功能 (PVH) 是一种影响语音产生的疾病.
  • 了解PVH的生理基础对于有效管理至关重要.
  • 门诊语音测量提供了一种非侵入性的方法来评估日常生活中的语音功能.

研究的目的:

  • 在使用语音生成模型的PVH患者中估计肌肉激活水平和子球压力 (PS).
  • 分析这些生理参数的变化,与每日声波创伤指数 (DPI) 相比.
  • 调查门诊语音数据与PVH的生理变化之间的联系.

主要方法:

  • 从PVH患者和对照组中收集出行语音数据 (声压水平,光谱倾斜).
  • 使用语音制作模型从语音数据中推断生理参数 (肌肉激活,PS).
  • 使用反向映射策略和随机抽样,将门诊数据与模型模拟相匹配.
  • 一种分类方法评估了DPI值和估计的生理参数之间的关系.

主要成果:

  • 在PVH和对照组之间发现了光谱倾斜 (H1-H2),声音压力水平 (SPL),PS和肌肉活动 (侧面关节 - LCA,甲状腺 - CT) 的显著差异.
  • 在PVH中较高的DPI值与平均LCA激活增加,LCA变异性降低,平均CT激活降低和中位数PS增加有关.
  • 这些发现表明肌肉激活模式,PS和声病理的严重程度之间存在相关性.

结论:

  • 非侵入性门诊语音数据可以有效地驱动语音生产建模,以获得对PVH病理生理学的见解.
  • 这项研究强调了肌肉激活和PS在PVH中的作用,可能是由声力努力补偿驱动的.
  • 未来的研究旨在完善该模型的预测能力,并改善PVH预防,诊断和治疗.