Rotating illusion #27
since January 20, 2013
"Ferris wheels"
The left wheel appears to rotate counterclockwise while the right one clockwise.
Copyright Akiyoshi Kitaoka 2013 (February 6)
"Rotating red fruits"
Each ring appears to rotate clockwise on a bright display, while it appears to rotate counterclockwise with a printed image under dark illumination.
Copyright Akiyoshi Kitaoka 2013 (February 12)
"Kikaidaa"
*Kikaidaa = a robot hero
The left disk appears to rotate counterclockwise and the right one clockwise on a bright display, while they appear to rotate in the opposite directions with a printed image under dark illumination.
Copyright Akiyoshi Kitaoka 2013 (February 12)
"Rotating chidori"
*chidori = kind of birds
The outer ring appears to rotate clockwise while the inner one counterclockwise.
Copyright Akiyoshi Kitaoka 2013 (January 30)
"Rotating red-and-purple disks"
Each disk appears to rotate clockwise on a bright display, while it appears to rotate counterclockwise with a printed image under dark illumination.
Copyright Akiyoshi Kitaoka 2013 (February 6)
Copyright Akiyoshi Kitaoka 2013 (June 2)
"Rotating yellow-and-purple disks"
Each disk appears to rotate clockwise on a bright display, while sometimes it barely appears to rotate counterclockwise with a printed image under dark illumination.
Copyright Akiyoshi Kitaoka 2013 (February 6)
"Rotating red-and-cyan disks"
Each disk appears to rotate clockwise on a bright display, while it appears to rotate counterclockwise with a printed image under dark illumination.
Copyright Akiyoshi Kitaoka 2013 (February 1)
"Rotating red-and-cyan disks 2"
Each disk appears to rotate clockwise on a bright display, while it appears to rotate counterclockwise with a printed image under dark illumination.
Copyright Akiyoshi Kitaoka 2013 (February 6)
"Rotating red-and-blue disks"
Each disk appears to rotate clockwise on a bright display, while it appears to rotate counterclockwise with a printed image under dark illumination.
Copyright Akiyoshi Kitaoka 2013 (January 29)
"Rotating red-and-green disks"
Each disk appears to rotate clockwise on a bright display, while it appears to rotate counterclockwise with a printed image under dark illumination.
Copyright Akiyoshi Kitaoka 2013 (January 29)
"Rotating blue-and-green disks"
Each disk appears to rotate clockwise on a bright display, while it slightly appears to rotate counterclockwise with a printed image under dark illumination.
Copyright Akiyoshi Kitaoka 2013 (February 6)
"Rotating blue-and-yellow disks"
Each disk appears to rotate clockwise on a bright display, while it appears to rotate counterclockwise with a printed image under dark illumination.
Copyright Akiyoshi Kitaoka 2013 (February 6)
"Rotating blue-and-yellow disks 2"
Each disk appears to rotate clockwise on a bright display, while it appears to rotate counterclockwise with a printed image under dark illumination.
Copyright Akiyoshi Kitaoka 2013 (February 12)
"Rotating gray-scale disks (movie)"
Disks appear to rotate clockwise or counterclockwise.
Copyright Akiyoshi Kitaoka 2013 (February 15)
References
Anstis S M, 1970 “Phi movement as a subtraction process” Vision Research 10 1411-1430
Anstis S M, Rogers B J, 1975 “Illusory reversal of visual depth and movement during changes of contrast” Vision Research 15 957-961
Gregory R L, Heard P F, 1983 “Visual dissociations of movement, position, and stereo depth: some phenomenal phenomena” Quarterly Journal of Experimental Psychology 35A 217-237
Kitaoka, A. (2006). Configurational coincidence among six phenomena: A comment on van Lier and Csathó (2006). Perception, 35, 799-806. animations
"Rotating gray-scale disks 2 (movie)"
Disks appear to rotate clockwise.
Copyright Akiyoshi Kitaoka 2013 (February 15)
"Rotating red-and-blue ampan"
*ampan = kind of food
Each ampan appears to rotate clockwise on a bright display, while it appears to rotate counterclockwise with a printed image under dark illumination.
Copyright Akiyoshi Kitaoka 2013 (January 29)
"Rotating poppies 2"
Each disk appears to rotate clockwise on a bright display, while it appears to rotate counterclockwise with a printed image under dark illumination.
Copyright Akiyoshi Kitaoka 2013 (February 9)
"Rotating disks of composition red blue black"
Each disk appears to rotate clockwise on a bright display, while it appears to rotate counterclockwise with a printed image under dark illumination.
Copyright Akiyoshi Kitaoka 2013 (February 9)
"Rotating disks of composition red blue white"
Each disk appears to rotate counterclockwise on a bright display, while it appears to rotate clockwise with a printed image under dark illumination.
Copyright Akiyoshi Kitaoka 2013 (February 9)
"Rotating disks of composition red sky-blue dark-gray"
Each disk appears to rotate clockwise on a bright display, while it appears to rotate counterclockwise with a printed image under dark illumination.
Copyright Akiyoshi Kitaoka 2013 (February 9)
cf.
Copyright Akiyoshi Kitaoka 2013 (March 29)
"Rotating disks of composition red sky-blue light-gray"
Each disk appears to rotate counterclockwise on a bright display, while it appears to rotate clockwise with a printed image under dark illumination.
Copyright Akiyoshi Kitaoka 2013 (February 9)
Copyright Akiyoshi Kitaoka 2013 (March 29)
"Rotating red fruits and the blue sky"
Each ring of fruits appear to rotate clockwise, while it appears to rotate counterclockwise with a printed image under dark illumination..
Copyright Akiyoshi Kitaoka 2013 (February 9)
"Rotating disks in which sky blue appears to be conspicuous"
Each disk appears to rotate clockwise on a bright display, while it appears to rotate counterclockwise with a printed image under dark illumination.
Copyright Akiyoshi Kitaoka 2013 (February 11)
"Rotating red candies"
Each disk appears to rotate clockwise.
Copyright Akiyoshi Kitaoka 2013 (January 20)