Cornsweet Illusion: An Edge Changes the Whole Field

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Curated archive entry based on published research. Opposing luminance gradients at a narrow boundary can make adjoining uniform regions appear to have different brightness even when their interiors match. This describes a documented perceptual effect under the cited conditions, not an independent personal report or evidence that the underlying physical measurements changed.

SOURCE: https://pmc.ncbi.nlm.nih.gov/articles/PMC7297846/

TAGS: #curated #publishedresearch #perception

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