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illusory contour
illusory contour An illusory contour is a perceived edge or shape, such as a Kanizsa figure, that the visual system experiences even though no actual contour is physically drawn.
An illusory contour is a perceived edge or shape, such as a Kanizsa figure, that the visual system experiences even though no actual contour is physically drawn. It depends on surrounding visual context that induces the impression of a boundary or form.