Demonstrates how fixation and distance affect color perception in vision, indicating important insights into visual processing.
In this paper, an optical illusion is described in which purple elements are perceived as purple at the point of fixation, while surrounding elements of the same purple color are perceived toward a blue hue. As the viewing distance increases, a greater number of purple elements revert to a purple appearance.
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Hinnerk Schulz‐Hildebrandt (2026) studied this question.
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