Developing electroencephalography (EEG) electrodes that are compatible with hair and virtual reality (VR) headsets has been a long-standing challenge for brain activity monitoring in VR environments. Our paper “Hair-compatible sponge electrodes integrated on VR headset for electroencephalography” introduces conductive, hair-compatible poly (3,4-ethylenedioxythiophene) polystyrene sulfonate/melamine (PMA) sponge electrodes that can be non-destructively integrated with existing VR headsets, offering a promising solution to this challenge. Our VR-EEG system allows stable EEG recordings of over 1h in duration at both hairless and hairy sites. Furthermore, we demonstrated the system’s capability to record evoked potentials of interest in a custom VR driving task, in which we successfully detected continent negative variation (CNV) trials with an accuracy of 0.66±0.07.
