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听力损失对学生对语音退化反应的影响
Adriana A Zekveld1,2, Hidde Pielage1,2, Niek J Versfeld1,2
1Ear & Hearing Section, Otolaryngology-Head and Neck Surgery, Amsterdam UMC, VU University medical center Amsterdam, the Netherlands.
Journal of speech, language, and hearing research : JSLHR
|September 12, 2023
概括
成年人的听力损失与学生反应的减少以及在听到退化的语音时,学生的基线大小的更快下降有关,这表明持续努力存在挑战.
科学领域:
- 听觉神经科学 听觉神经科学
- 人体生理学 人体生理学
背景情况:
- 关于听力损失如何影响语音感知过程中的学生反应的证据是不一致的,可能是由于与年龄相关的因素.
- 瞳孔反应是一种体能测量,反映了认知和注意力过程.
- 了解这些反应可以提供关于听力损失个体所面临的挑战的见解.
研究的目的:
- 在语音感知任务中,与年龄相匹配的正常听力 (NH) 和听力障碍 (HH) 听众之间的学生反应进行比较.
- 调查不同语音退化方法对NH和HH组学生反应的影响.
主要方法:
- 测试了17名NH和17名HH参与者,他们的年龄和教育程度相匹配.
- 学生的反应 (基线大小,扩张) 在不同的语音感知任务 (50%) 和噪声条件 (噪声编码,静止噪声,干扰语音,安静) 中测量.
- 分析了试验中的表现和瞳孔大小变化.
主要成果:
- 与正常听力听众相比,听力受损的参与者在大多数退化条件下表现出较差的语音感知.
- 在整个试验中,HH参与者在语音退化中显示出较小的平均瞳孔扩张,并且在基线瞳孔大小的急剧下降.
- 观察到对基线学生反应的群体效应,特别是对噪音语音编码的语音.
结论:
- 听力损失与学生反应减弱以及在语音感知下降期间维持努力的能力降低有关.
- 这些发现表明,听力损失的个体可能在具有挑战性的听力环境中难以持续的注意力投资.
- 结果突出了学生反应的实用性,作为听力障碍患者倾听力度的客观衡量标准.
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