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"Streaming hearts"
The horizontal blue lines appear to curve. In addition, the rows of hearts appear to move.
Copyright Tomomi HATANO 2006

"Maiko san"
Two gray horizontals appear to wave.
Copyright Akiyoshi Kitaoka 2012

The middle block appears to move laterally when the retinal image moves vertically.
Copyright Akiyoshi Kitaoka 2010

"Maccha"
Dots appear to move laterally. In addition, horizontal rows appear to tilt clockwise or counterclockwise alternately (Zöllner illusion),
and the dots of the same brightness or color appear to be of different brightness or of different color (brightness contrast or color contrast).

Copyright Akiyoshi.Kitaoka 2002

"Minamo"
minamo = the surface of river or lake
The image appears to move horizontally.
Copyright Akiyoshi Kitaoka 2006

"Bands of light"
The square appears to be distorted. In addition, we can see an afterimage.
This geometrical illusion might be explained with our model of the Café Wall illusion (Kitaoka, Pinna and Brelstaff, 2004).

Copyright Keizo Shimizu 2005

"Eggs of frogs"
Nagata illusion
Each row of the larger circles is aligned but appears to distorted toward the positions of the smaller circles.
Copyright Toru NAGATA 2005

"Autumn color wave"
The figure looks wavy.
Copyright A.Kitaoka 2002

Department of Psychology, College of Letters, Ritsumeikan University
 
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