TY - RPRT TI - Data aggregation strategies for a P300 speller: decoding models, epoch averaging, cross-subject ensembles, and multi-channel models AU - Sidorov, L. AU - Makarova, A. AU - Maysuradze, A. AU - Lebedev, M. PY - 2026 DO - 10.64898/2026.06.17.732982 UR - https://www.biorxiv.org/content/10.64898/2026.06.17.732982v1 ID - 10.64898/2026.06.17.732982 ER -