A fair test of the effect of a shadow-incompatible luminance gradient on the simultaneous lightness contrast.
Shadow-compatibility of simultaneous lightness contrast is discussed by Alexander D Logvinenko and Paola Bressan, with examples claiming to provide a test of the hypothesis.
Logvinenko
Alexander D
AD
School of Psychology, Queen's University, Belfast BT9 5BP, UK. a.logvinenko@qub.ac.uk
D015350:Contrast Sensitivity / Q000502:physiology; D005556:Form Perception / Q000502:physiology*; D006801:Humans; D008029:Lighting; D009903:Optical Illusions; D010364:Pattern Recognition, Visual / Q000502:physiology; D011601:Psychophysics