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精神声学和脑电学响应变化幅度调制深度和频率的变化与语音识别在耳植入物

Nina Aldag¹, Waldo Nogueira²

¹Department of Otolaryngology, Hannover Medical School and Cluster of Excellence 'Hearing4all', Hanover, Germany.

Scientific reports

|April 8, 2024

概括

对于耳植入物 (CI) 用户来说,时间膜调制 (TEM) 对于理解语音至关重要. 像振幅调制检测 (AMD) 和歧视 (AMFD) 这样的电生理学评估显示出预测CI语音识别的前景.

科学领域:

听觉神经科学听觉神经科学
神经科学是一个神经科学.
听力学听力学是指听力学.

背景情况:

时间膜调制 (TEMs) 对于耳植入物 (CI) 用户的语音理解至关重要.
对TEM编码的客观脑电图 (EEG) 评估可以预测语音识别,帮助无法提供主动反的患者.
声学变化复合体 (ACC) 和听觉稳态响应 (ASSR) 可以通过CI电极的电刺激来评估TEM编码.

研究的目的:

为了研究振幅调制检测 (AMD) 和振幅调制频率歧视 (AMFD),使用基底和顶点CI电极的电刺激.
为了将电生理学反应 (AMD-ACC,AMFD-ACC,ASSR) 和行为值与CI用户的语音噪音识别相关联.

主要方法:

12名成年IC使用者参与了这项研究.
评估了行为性AMFD值.
包括AMD-ACC,AMFD-ACC和ASSR在内的皮质听觉唤起潜力 (CAEP) 通过使用组合的3刺激范式进行记录.

主要成果:

电生理学反应在顶端电极刺激时明显高于基底电极刺激.
AMFD-ACC的峰值幅度很小,与语音噪音识别无关.
在语音噪音识别和行为AMFD值,以及AMD-ACC峰值幅度之间发现了显著的相关性.

结论:

AMD和AMFD显示出作为评估CI用户TEM编码的临床工具的潜力.
这些电生理学测量可能有助于预测CI接受者的客观语音识别能力.
进一步的发展可能会导致CI使用者的临床评估和管理得到改善.

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