VR環境下での視覚探索時間に対する人の心的状態の影響

抄録

It was reported that an individual’s perceived happiness level affects their ability of visual search. In that work, however, the visual search task was performed on a small smartphone display. It is unclear whether this tendency is effective even under more general conditions, like in our daily lives. This work thus expands the small search area to all circumferences by introducing VR techniques to investigate whether the tendency is effective under such conditions. We employed a pop-out and serial visual search paradigm, and implemented a VR game that records search times and self-rated levels of happiness. We experimentally confirmed that we were able to replicate the classic visual search findings; while the pop-out search times remained unaffected by the number of distractors, the serial search times increased as it increased. We also confirmed the serial search times under a particular condition were significantly faster for high happiness levels than low happiness levels.