EEG Correlates of Car Sickness in Naturalistic Driving Conditions

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Lucas Benoit, Nicolas Farrugia, Eléonore Henry, Clément Bongard, Giulia Lioi

Published: 2025, Last Modified: 13 Mar 2026MetroXRAINE 2025EveryoneRevisionsBibTeXCC BY-SA 4.0
Abstract: This study investigates EEG correlates of car sickness during real-world slalom driving. Seventeen participants were exposed to low-frequency lateral accelerations while EEG was recorded using dry electrodes. The signal was preprocessed with ICA-based artifact removal and segmented into task-specific epochs. Spectral relative power was extracted across four brain regions and frequency bands. Analysis were conducted within and between groups according to their sensitivity. Results revealed that participants sensitive to car sickness exhibited distinct spatial and spectral patterns, including higher Gamma activity in parietal regions and reduced Alpha power in occipital areas. These findings highlight EEG as a viable tool to characterize neural responses to car sickness in ecological conditions.