What is a crucial determinant in anorthoscopic perception?

There are two important problems in anorthoscopic perception. The first is how a sequence of parts of a figure viewed through a slit is integrated into a whole. The second is how the distortion of an anorthoscopic image along the direction of its motion occurs. To answer the questions, two experiments and two demonstrations were performed by conceiving compound figures of one horizontal and one curvilinear component and a method which permits seeing anorthoscopic and ordinary images at the same time. From the results, the idea of anorthoscopic motion complementary to apparent motion is introduced as a crucial determinant that permits an integration of the parts into a perception of the whole. As regards the distortion of the percept we agree with Rock, et al.'s 1987 assumption but also consider that the distortion depends on the ratio of speed of anorthoscopic motion to real motion.

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