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在背景噪音下处理语音的神经延迟在短期听力训练后得到最小化

Erika Skoe¹, Nina Kraus^2,3,4,5,6

¹Department of Speech, Language, and Hearing Sciences, University of Connecticut, Storrs, CT 06269, USA.

|July 26, 2024

概括

听力训练改善了年轻成年人的神经时间. 通过使用LACE程序进行认知训练,减少了在噪音中的语音处理频率跟踪响应 (FFR) 中的响应延迟.

科学领域:

神经科学是一个神经科学.
听觉神经科学听觉神经科学
语音处理语音处理

背景情况:

背景噪音会对听觉处理产生负面影响,导致神经反应延迟.
认知听觉训练 (LACE) 之前在噪音中增强了神经同步与语音基本频率 (F0).
听力训练对噪音中听力唤起的响应延迟的影响尚未被探索.

研究的目的:

调查短期听力训练是否会影响年轻成年人频率跟踪响应 (FFR) 的延迟.
为了确定训练是否会在杂的听力条件下导致神经定时速度更快.

主要方法:

55名健康的年轻人参与了这项研究,在8周期间之前和之后测量了FFR.
参与者接受了计算机化听力训练 (LACE) 或作为对照.
在+10dB的SNR下,FFR是由"da"音节引起的,与多个说话者噪音相比.

主要成果:

对照组在重新测试时没有显示FFR延迟的变化.
听力训练组在训练后表现出明显较早的FFR延迟.
这些改善在母语和非母语英语使用者中都被观察到.

结论:

基于认知的听觉训练可以提高成年人的神经时间.
听力培训有效地减少了噪音环境中FFR的响应延迟.
这表明听力训练可以改善成年神经系统在具有挑战性的声学条件下处理语音.

关键词:

听觉脑干反应的响应审计培训审计培训审计培训神经可塑性神经可塑性

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