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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T.C.J.d.W. was funded by the Netherlands Organization of Scientific Research (NWO), on the “Global influences in visual completion” project, awarded to R.v.L. R.v.L. received a grant from the Royal Netherlands Academy of Arts and Sciences.
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de Wit, T.C.J., de Weert, C.M.M. & van Lier, R. Luminance edges are not necessary for visual completion. Perception & Psychophysics 67, 1280–1288 (2005). https://doi.org/10.3758/BF03193559
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DOI: https://doi.org/10.3758/BF03193559