Multi-modal bioelectrical signal fusion analysis based on different acquisition devices and scene settings: Overview, challenges, and novel orientation

•Multi-modal bioelectrical signal fusion is reviewed.•Rationality and challenge of the acquisition equipment of EEG signal is analyzed.•The feasibility and challenges of the stimulus paradigm are analyzed.•Advantages, challenges and possible solutions of multi-modal fusion are summarized.•Fusion methods, evaluation index, and fusion application are reviewed.