In the Orbison visual illusion, the sides of a square, although straight, appear to be bowed when the square is superimposed over a set of concentric circles. In the present study, the illusion is demonstrated for moving objects. Male and female college students watched carets move either across a background of four concentric circles or across a plain background. The carets moved across the top or along the left side of the scene. A number of situations were assessed. It was found that subjects do make errors that can be attributed to the Orbison illusion.
Get full access to this article
View all access options for this article.
References
1.
ChapanisA.MankinD.A. (1967). The vertical-horizontal illusion in a visually-rich environment. Perception and Psychophysics, 2, 249–255.
2.
FisherG.H.LucasA. (1969a). Illusions in concrete situations: II. Introduction and demonstrations. Egronomics, 12, 395–402.
3.
FisherG.H.LucasA. (1969b). Illusions in concrete situations: Experimental studies of the Poggendorff illusion. Egronomics, 12, 395–402.
