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date: 27 January 2020

Abstract and Keywords

Form and motion perception have long been considered to be mediated by independent processes in the visual system. However, numerous demonstrations reveal the form of objects can influence the way they are perceived to move and conversely, the motion of objects can influence their perceived form. Here, we discuss three classes of such form-motion interactions. Transformational apparent motion demonstrates the importance of figural parsing and matching, as well as contour continuity in judging object motion. Trackable features, in the form of areas of high curvature and contour discontinuities, appear to provide unambiguous motion signals that can then be generalized to the ambiguously moving portions of an object to solve the aperture problem. Finally, there is a discussion of how the motions of individual elements may interact to influence the perceived shape and motion of a perceptually grouped object constructed from these individual elements.

Keywords: form perception, motion perception, form motion interaction, transformational apparent motion, trackable features

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