Tactile Apparent Motion Presented from Seat Pan Facilitates Racing Experience

When moving through the world, humans receive a variety of sensory cues involved in self-motion. In this study, we clarified whether a tactile flow created by a matrix of vibrators in a seat pan simultaneously presented with a car-racing computer game enhances the perceived forward velocity of self-motion. The experimental results show that the forward velocity of self-motion is significantly overestimated for rapid tactile flows and underestimated for slow ones, compared with only optical flow or non-motion vibrotactile stimulation conditions.

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