Luminance edges are not necessary for visual completion

Perception & Psychophysics
Tessa C J de WitR van Lier

Abstract

Luminance edges seem to have an important role in visual feature binding and, more specifically, in visual completion because luminance differences are important for the perception of depth. We investigated this claim in two experiments in which the primed-matching paradigm was used. In Experiment 1, we investigated conditions under which either a partly occluded shape or an occluder was isoluminant with respect to the background. In Experiment 2, the partly occluded shape and the occluder were isoluminant with respect to each other. Evidence was found for visual completion in all cases, and we therefore conclude that luminance edges are not essential for visual completion.

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Citations

Dec 1, 2006·European Child & Adolescent Psychiatry·Tessa C J de WitRob van Lier
Jun 24, 2006·NeuroImage·Tessa C J de WitRob van Lier
Aug 14, 2020·Dental Traumatology : Official Publication of International Association for Dental Traumatology·Helena Pickler FronzaAna Clara Loch Padilha

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