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cEEGrid Guide

In-ear Foundations

现代 ear-EEG 的早期 in-ear / ear-canal EEG 可行性验证,重点是 alpha、ASSR、AEP、MMN 和 P300。

这一组解决什么问题

这一组回答“耳内或耳道附近到底能不能记录到可用 EEG”。它不是 cEEGrid 本身,而是 ear-EEG 可行性、信噪比和适用任务边界的起点。

组内关系

Looney 论文偏早期平台和用户场景,Kidmose 论文偏 auditory evoked responses。读完这一组,应先形成一个保守判断:ear-EEG 对 ASSR、AEP、alpha 更友好,对远离耳部或方向不利的源更困难。

对自研的启发

自研系统早期验证不要一上来追复杂 AAD;先用 alpha、ASSR/AEP 这类稳健任务证明硬件和参考方案可用。

#PaperRouteStage一句话
01Looney et al., 2011in-ear EEGearly in-ear EEGIn-ear alpha increased after eye closure; temporal/mastoid correlations were strongest.
02Looney et al., 2012in-ear EEGearly in-ear EEGEar-EEG showed AAR/ASSR/P300 with lower amplitude but usable SNR.
03Kidmose et al., 2012ear-EEGevoked-potential validationEar-EEG amplitudes were 10-20 dB lower, but SNR was comparable after averaging.
04Kidmose et al., 2013ear-EEGevoked-potential validationASSR was most favorable for ear sites; transient/visual responses were weaker.