EEG correlates of the tactile perception of patients in a vegetative state and coma: a step towards AI-based classification of unconscious statesGalina V. Portnova, Ivan V. Skorokhodov and Vitaliy V. PodlepichEur. Phys. J. Spec. Top., 234 15 (2025) 4179-4188DOI: https://doi.org/10.1140/epjs/s11734-024-01409-7