title: Shadow-related concavity-convexity inversions reveal a very basic tolerance for impossible shadows.
abstract: The stimuli traditionally used for demonstrating shadow-related concavity-convexity inversions reveal a very basic tolerance for impossible shadows-namely, self shadows do not induce a visual request for geometrically mandatory cast shadows.
authors.forename: Roberto
authors.initials: R
authors.lastname: Casati
mesh_terms: D015350:Contrast Sensitivity; D003867:Depth Perception; D004193:Discrimination Learning; D006801:Humans; D007223:Infant; D009903:Optical Illusions; D010364:Pattern Recognition, Visual; D012193:Reversal Learning