Dissecting the influence of the collinear and flanking bars in White's effect.

ABSTRACT: In White's effect equiluminant test patches placed on the black and white bars of a square-wave grating appear different in brightness. The illusion has generated intense interest because the direction of the brightness effect does not correlate with the amount of black or white border in contact with the test patch, or in its general vicinity. Therefore, unlike brightness induction effects such as simultaneous contrast, White's effect is not consistent with explanations based on contrast or assimilation that depend solely on the relative amounts of black and white surrounding the test patches. We independently manipulated the luminance of the collinear and flanking bars to investigate their influence on test patch matching luminance (brightness). The inducing grating was a 0.5c/d square-w

SUBMITTER: Blakeslee B 

PROVIDER: S-EPMC5035611 | biostudies-literature | 2016 Oct

REPOSITORIES: biostudies-literature