Morgan and Moulden have shown that the café wall illusion can be explained by the effects of processing with a difference-of-Gaussians filter which reveals Fraser twisted cords in the figure. It is deduced that their account leads to the novel prediction of the reverse tilt illusion if the width of the mortar lines is suitably increased. This prediction is confirmed by demonstration.
Get full access to this article
View all access options for this article.
References
1.
BressanP, 1985“Revisitation of the family tie between Münsterberg and Taylor–Woodhouse illusions”Perception14579–585
2.
FraserJ, 1908“A new illusion of visual direction”British Journal of Psychology2307–320
3.
GregoryR L, 1972“Editorial”Perception1492
4.
GregoryR L, 1973“The confounded eye” in Illusion in Nature and Art Eds GregoryR LGombrichE H (London: Gerald Duckworth) pp 49–95
5.
GregoryR LHeardP, 1979“Border locking and the Café Wall illusion”Perception8365–380
6.
McCourtM E, 1980“A spatial frequency dependent brightness induction effect”Journal of the Optical Society of America701599
7.
McCourtM E, 1982“A spatial frequency dependent grating-induction effect”Vision Research22119–134
8.
McCourtM E, 1983“Brightness induction and the Café Wall illusion”Perception12131–142
9.
MarrD, 1982Vision (San Francisco, CA: W H Freeman)
10.
MarrDHildrethE C, 1980“A theory of edge detection”Proceedings of the Royal Society of London, Section B207187–217
11.
MorganM JHotopfN H, 1989“Perceived diagonals in grids and lattices”Vision Research291005–1015
12.
MorganM JMouldenB, 1986“The Münsterberg figure and twisted cords”Vision Research261793–1800
13.
MouldenBRenshawJ, 1979“The Münsterberg illusion and ‘irradiation’”Perception8275–301
14.
MünsterbergH, 1897“Dieverschobene Schachbrettfigur”Zeitschrift für Psychologie5185–188
15.
TaylorS PWoodhouseJ M, 1980“A new illusion and possible links with the Münsterberg and Fraser illusions of direction”Perception9479–481
16.
TylerC WNakayamaK, 1984“Size interactions in the perception of orientation” in Sensory Experience, and Perception: Festschrift for Ivo Kohler Eds SpillmannLWottonB R (Hillsdale, NJ: Lawrence Erlbaum Associates) pp 529–546
17.
WoodhouseJ MTaylorS, 1987“Further studies of the Café Wall and Hollow Squares illusions”Perception16467–471
