A set of black dots grouped on a white background to create an impression of radiating lines which fade towards the centre makes possible a percept of a central glow.
GregoryR L, 1970The Intelligent Eye (New York: McGraw-Hill)
3.
KanizsaG, 1974“Contours without gradients or cognitive contours”Italian Journal of Psychology193–113
4.
KennedyJ M, 1976“Attention, brightness and the constructive eye”Vision and Artifact Ed. HenleM (New York: Springer Verlag)
5.
KennedyJ MLeeH, 1976“A figure-density hypothesis and illusory contour brightness”Perception5
6.
MetelliF, 1974“Studies of transparency”Perception: Essays in honor of J.J. Gibson Eds MacLeodR BPickH (Ithaca, NY: Cornell University Press)
7.
RubinE, 1915Synsoplevede Figurer (Copenhagen: Gyldendals) (condensed English translation Visual Figures translated by KennedyEKennedyJ, copy held in Scarborough College Library)
