2021 年 29 巻 p. 2-
People who are deaf and have sign language as their native language at their command move their body, especially their hands, in order to visualize their thoughts in images and thereby convey them to others. Their language essentially consists in visualization through movements. It could therefore be considered a sort of pictorial language. But ‘pictorial’ in this case, ought to be understood in a radical sense. For the deaf people fundamentally think in pictorial entities, that is, they originally form their thoughts on the basis of visual impressions of the world. Here is the possibility that their thoughts are genuinely corresponding to the world that they perceive visually. It is therefore important to understand precisely how the people who have a good command of the pictorial language recognize the world and think about it. Such an understanding could contribute to the epistemological and ontological research on the correspondence of intuition and thought.