Ear EEG paper now available in TBioCAS

Our paper, Wireless User-Generic Ear EEG, was invited and accepted for publication in the IEEE Transactions on Biomedical Circuits and Systems (TBioCAS) special issue of the BioCAS conference. It's currently available on IEEE preprint and on arXiv. The published PDF can also be accessed here.

R Kaveh, J Doong, A Zhou, C Schwendeman, K Gopalan, F Burghardt, AC Arias, MM Maharbiz, R Muller. “Wireless, User-generic Ear EEG,” IEEE Transactions on Biomedical Circuits and Systems (invited paper, BioCAS Special Issue), 2020.

Abstract: In the past few years it has been demonstrated that electroencephalography (EEG) can be recorded from inside the ear (in-ear EEG). To open the door to low-profile earpieces as wearable brain-computer interfaces (BCIs), this work presents a practical in-ear EEG device based on multiple dry electrodes, a user-generic design, and a lightweight wireless interface for streaming data and device programming. The earpiece is designed for improved ear canal contact across a wide population of users and is fabricated in a low-cost and scalable manufacturing process based on standard techniques such as vacuum forming, plasma-treatment, and spray coating. A 2.5x2.5 cm2 wireless recording module is designed to record and stream data wirelessly to a host computer. Performance was evaluated on three human subjects over three months and compared with clinical-grade wet scalp EEG recordings. Recordings of spontaneous and evoked physiological signals, eye-blinks, alpha rhythm, and the auditory steady-state response (ASSR), are presented. This is the first wireless in-ear EEG to our knowledge to incorporate a dry multielectrode, user-generic design. The user-generic ear EEG recorded a mean alpha modulation of 2.17, outperforming the state-of-the-art in dry electrode in-ear EEG systems.