A Novel Illusion of Bars Made from Triangles
- 5 June 1981
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 212 (4499), 1172-1175
- https://doi.org/10.1126/science.212.4499.1172
Abstract
A repetitive pattern of a triangular luminance profile may be perceived as a triangular-wave grating or as a square-wave grating. This illusion may reflect the operation of cortical phase-selective mechanisms that are biased toward particular phase relations and favor abrupt luminance gradients.Keywords
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