“…This novel form of distance expression needs to be visualized to help people’s awareness of “distance.” The data visualization of various types of information has always been an effective way to transform abstract data and concepts into clearly understandable images. Many fields have applied EEG signal visualization, including affective visualization ( Liu et al, 2010 ; Fu and Li, 2022 ), interactive art exhibitions ( Christopher et al, 2013 , 2014 ), gaming experiences ( Kerous et al, 2018 ), etc., to enhance participants’ understanding and visual perception of their EEG signal changes. Therefore, distance visualization can enhance the perception of human interaction.…”