呼吸声作为基本声震的补偿策略:一个单一的案例实验跨参与者
Nayanika Ghosh1, Elizabeth Eidson1, Elaina Derrick1
1Department of Speech, Language, and Hearing Sciences, Moody College of Communication, The University of Texas at Austin, Austin, Texas.
Journal of voice : official journal of the Voice Foundation
|November 25, 2023
概括
呼吸声策略对基本声震 (EVT) 声学产生了可变的影响,并且没有减少EVT参与者的感知声震. 需要进一步的研究,以优化这种行为干预对于基本的声音震.
科学领域:
- 语音语言病理学 语言病理学
- 声学分析 声学分析
- 声音障碍 声音障碍
背景情况:
- 基本声震 (EVT) 是由于声调节导致声音"震动"的原因.
- 对EVT的行为疗法研究不足,但呼吸声可能是一种补偿策略.
- 之前的研究表明,呼吸声可以减少感知到的模拟EVT.
研究的目的:
- 在具有基本声震 (EVT) 个体中对呼吸声策略进行声学和感知评估.
- 为了确定喘息的声音是否会降低声震感知到的严重程度.
- 评估EVT中喘息的声学影响的变化.
主要方法:
- 一个单个案例的实验设计 (SCED) 用于声学分析.
- 一个对比倾听任务评估了感知效应.
- 三名参加EVT的参与者尝试了五个呼吸级别;声学测量 (fo,强度调制) 和听众感知被分析.
主要成果:
- 呼吸困难的声学影响因参与者和呼吸困难水平而异.
- 参与者可以调整喘息,但没有达到目标水平.
- 听众认为呼吸声试验比基线"更动摇",这与假设相反.
结论:
- 呼吸声音策略在EVT中产生了可变的声学结果,突出了SCED对行为干预的实用性.
- 与预期相反,喘息的声音增加了感知到的声音"震动".
- 未来的研究应该集中在确认的喉震,优化呼吸缓冲和实践上.
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