音声受容の値は,耳の内側および周囲のEEG電極を使用して推定することができます

Heidi Bliddal Borges¹, Johannes Zaar², Emina Alickovic²

¹Department of Electrical and Computer Engineering, Aarhus University, Finlandsgade 22, Aarhus N, 8200, DENMARK.

Journal of neural engineering

|August 29, 2025

まとめ

耳のEEGは音声受容の値 (SRTneuro) を効果的に推定し,全頭皮のEEG結果と一致します. 耳の内側や周りの電極を用いたこの慎重な方法は聴覚研究において有望な代替手段となります

科学分野:

神経科学
聴覚神経科学
生物医学工学

背景:

頭皮電気脳図 (EEG) を用いたスピーチ受容値 (SRT) の推定は,SRTneuroとして確立されています.
耳の内側や周りの神経活動の測定ができます

研究の目的:

SRTニューロを推定するために耳のEEGを使用する可能性を評価する.
耳のEEGベースのSRTニューロと行動的に測定されたSRT (SRTbeh) と全頭皮のEEGを比較する.

主な方法:

聴覚が正常な20人の参加者は,異なる信号対ノイズ比 (SNRs) でオーディオの断片を聞きました.
EEGと12個の耳のEEG電極が神経活動を記録した.
線形解読器によるオーディオエンベロープの推定; SRTneuroは再構築精度対SNRから導かれました.

主要な成果:

耳内電極のみを使用すると,SRTneuroは参加者の30%でSRTbehの3dB以内でした.
耳の内側と周りの電極で,SRTneuroは参加者の95%で3dB以内でSRTbehと一致しました.
耳の内側と耳の周りの電極は同じような高い精度をもたらしました

結論:

耳のEEGは,特に耳の内側と周りの電極で,SRTニューロ推定のための実行可能で正確な方法です.
このアプローチは全頭皮のEEGの性能と一致します
耳のEEGは聴覚に関する研究や臨床応用において価値あるツールです

キーワード:

EEG について耳のEEG 神経の解読スピーチの理解性音声受信の値

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