宫听觉的声学特征在失调和失声的个体:一项初步研究
Syam Krishna Vijayan1, Krishna Yeshoda1
1Department of Speech-Language Sciences, All India Institute of Speech and Hearing (AIISH), Naimisham Campus Manasagangothri Mysuru, Mysuru, Karnataka 570006 India.
概括
宫听力学揭示了食障碍和失声症患者的吞声音中明显的声学特征. 这些与正常模式的偏差有可能改善吞困难的诊断.
科学领域:
- 生物医学工程 生物医学工程
- 语音和听力科学 语言和听力科学
- 临床声学 临床声学
背景情况:
- 宫听觉是一种新兴的客观方法来评估吞.
- 有限的研究存在于个体的吞声学食障碍和听力障碍.
- 了解这些声学特征对于准确诊断至关重要.
研究的目的:
- 分析患有失声症和失症的个体中吞声音的声学特征.
- 为了将这些声学特征与正常吞模式的特征进行比较.
- 调查宫听术在诊断吞障碍方面的有用性.
主要方法:
- 八名患有失声症和失症的参与者接受了宫听术.
- 一个振动拾取传导麦克风被连接到骨区域.
- 分析了声学特征,包括波形态,强度和持续时间.
主要成果:
- 吞声音表现出独特的声波形态,包括多个波,在正常受试者中不存在.
- 吞声音的平均和峰值强度更高,表明增加了努力.
- 持续时间参数较长,表明吞的喉阶段较长.
结论:
- 缺食症和缺音症患者的吞声音的声学和形态特征与正常模式有很大差异.
- 宫听术为全面诊断吞困难提供了有价值的数据.
- 长期平均频谱 (LTAS) 是在这些评估中估计峰值强度频率的可靠方法.
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