Café Wall illusion

Access since May 26, 2007


Copyright Akiyoshi Kitaoka 2013 (July 28)

"'Revese Café Wall illusion' and 'Café Wall illusion'"

The reverse Cafe Wall illusion I here call so was shown in Taylor and Woodhouse (1980) or Earl and Maskell (1993).

Earle, D. C. and Maskell, S. J. (1993). Fraser cords and reversal of the café wall illusion. Perception, 22, 383-390.

Taylor, S. P. and Woodhouse, J. M. (1980) A new illusion and possible links with the M√ľnsterberg and Fraser illusions of direction. Perception, 9, 479-481.



"Café Wall spirals, a 2011 remake of the 2005 version"

Concentric gray rings appear to form spirals.

Copyright Akiyoshi Kitaoka 2011 (March 1)


How to make the spiral illusion of the Café Wall illusion



"Café Wall wave"

Vertically and horizontally aligned gray lines appear to be wavy.

Copyright Akiyoshi Kitaoka 2011 (February 1)



"Café Wall bulge"

Vertically and horizontally aligned gray lines appear to bulge out.

Copyright Akiyoshi Kitaoka 2011 (February 1)



"Café Wall motion"

The inset appears to move. Vertically and horizontally aligned gray lines appear to tilt.

Copyright Akiyoshi Kitaoka 2011 (February 1)



"Café Wall spirals 2011"

Concentric gray rings appear to form spirals.

Copyright Akiyoshi Kitaoka 2011 (February 2)



"Café Wall spirals 2011, ver. 2"

Concentric gray rings appear to form spirals.

Copyright Akiyoshi Kitaoka 2011 (February 1)



"Café Wall wave 2"

Blocks appear to sway laterally.

Copyright Akiyoshi Kitaoka 2011 (February 1)


A basic image of the Café Wall illusion

The gray line appears to tilt down to the left, though it is horizontal.


Münsterberg illusion


white version


"Black diamond"

Vertical or horizontal gray lines appear to be distorted.

Copyright A.Kitaoka 1999


"Knitting"

The arrays appear to move.

Copyright A.Kitaoka 2002


"Moving tiles"

The inset appears to move. This figure consists of squares.

Copyright A.Kitaoka 2002


"Fish"

Gray lines are vertical and parallel but appear to tilt alternately. Moreover, fish appear to move vertically.

Copyright A.Kitaoka 2003




a remake April 10, 2009


Cafe Wall spirals


References

Fraser, J. (1908) A new visual illusion of direction. British Journal of Psychology, 2, 307-320.

Gregory, R. L. and Heard, P. (1979) Border locking and the Café Wall illusion. Perception, 8, 365-380.

Kitaoka, A. (1998). Apparent contraction of edge angles. Perception, 27, 1209-1219.

Kitaoka, A., Pinna, B., and Brelstaff, G. (2004). Contrast polarities determine the direction of Café Wall tilts. Perception, 33, 11-20.

Kitaoka, A. (2007) Tilt illusions after Oyama (1960): A review. Japanese Psychological Research, 49, 7-19PDF request to me

McCourt, M. E. (1983) Brightness induction and the Cafe Wall illusion. Perception, 12, 131-142.

Morgan, M. J. and Moulden, B. (1986) The Munsterberg figure and twisted cords. Vision Research, 26, 1793-1800.

Moulden, B. and Renshaw, J. (1979) The Munsterberg illusion and 'irradiation'. Perception, 8, 275-301.

Münsterberg, H. (1897) Die vershobene Schachbrettfigur. Zeitschrift für Psychologie, 15, 184-188.


Copyright Akiyoshi Kitaoka 2011 (July 6)


cf.


"Frog egg wave"

Vertically and horizontally aligned dots appear to be wavy.

Copyright Akiyoshi Kitaoka 2011 (February 1)


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