Akiyoshi kitaoka biography books
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A review of the footsteps illusion
(movies and figures)
Akiyoshi Kitaoka
College of Comprehensive Psychology, Ritsumeikan University, Ibaraki, Osaka, Japan
Stuart Anstis
Department of Psychology, University of California, San Diego, CA, USA
<You can download the file by clicking on the image.>
since May 6, 2020
Movie 1.
A demonstration of the footsteps illusion.
Akiyoshi kitaoka biography books
Blue or yellow rectangles (20 pixels wide) move horizontally back and forth at a constant speed (1 pixel per each 30 ms) across a vertical grating made up of black and white stripes (10 pixels wide for each stripe), but they appear to move fast or slow like a footsteps motion.
Movie 2.
A demonstration of the achromatic version of the footsteps illusion. Dark-gray (R: 77,G: 77, B: 77) or light-gray (R: 230, G: 230, B: 230) rectangles (20 pixels wide) move horizontally back and forth at a constant speed (1 pixel per each 30 ms) across a vertical grating of black and white stripes (10 pixels wide for each