The effect of haptic information on vision : Using geometrical patterns with and without visual illusion(Summary of Awarded Presentations at the 24th Annual Meeting)

抄録

We investigated the effect of haptic information on visual illusions and the appearance of simple geometrical patterns without figural components which induce visual illusions. Experiment I was designed to examine the effect of haptic information on the visual illusions of the Hering and Wundt figures. The haptic stimuli with three different curvatures were made of wooden board. The participants were asked to judge the apparent curvature of each test figure, with or without the haptic stimuli. In Experiment II, the participants judged the apparent curvature of each test figure but components inducing visual illusions, with or without the haptic stimuli. It was found that the visual illusions were biased towards the direction of the information given by actively touching the haptic stimuli and that, the visual perception of simple patterns without any inducing components was not affected by actively touching.