CSBrain: A Cross-scale Spatiotemporal Brain Foundation Model for EEG Decoding - Zhou, Yuchen; Wu, Jiamin; Ren, Zichen; Yao, Zhouheng; Lu, Weiheng; Peng, Kunyu; Zheng, Qihao; Song, Chunfeng; Ouyang, Wanli; Gou, Chao (Advances in Neural Information Processing Systems, 2025)