The Dry Truth: Hair-Wetting Improves Dry Electrode EEG Signal Quality
Yingqi Huang, Abele Michela, Victor Férat, Cristina Colangelo, Kishen Senziani, Laurence Castonguay, Serge Vulliémoz, Tomas Ros
This study shows that wetting hair with tap water improves dry electrode EEG signal quality by reducing impedance and increasing spectral and functional connectivity similarity to gel-based systems.
bioRxiv · Sep 27, 2026 · PreprintNeuroscience