AUTHOR=Ma Yunxiao , Huang Jinming , Liu Chuan , Shi Meiyu TITLE=A portable EEG signal acquisition system and a limited-electrode channel classification network for SSVEP JOURNAL=Frontiers in Neurorobotics VOLUME=18 YEAR=2025 URL=https://www.frontiersin.org/journals/neurorobotics/articles/10.3389/fnbot.2024.1502560 DOI=10.3389/fnbot.2024.1502560 ISSN=1662-5218