Rotating illusion #36

since December 18, 2014


"Rotating pink boats"

Rings appear to rotate clockwise or counterclockwise moving toward each round head.

Copyright Akiyoshi Kitaoka 2016 (July 16)


"Rotating pink boats 2"

Rings appear to rotate clockwise or counterclockwise moving toward each round head.

Copyright Akiyoshi Kitaoka 2016 (July 16)


"Rotating infinite staircases"

The left ring appears to rotate counterclockwise whereas the right one clockwise.

Copyright Akiyoshi Kitaoka 2016 (June 12)



"Rotation of ladders"

Rings appear to rotate when observers approach or move away from the image fixating at the center.

Copyright Akiyoshi Kitaoka 2016 (February 16)


cf.

Pinna illusion, corresponding to Fig. 1 of Pinna and Brelstaff (2000).

The inner ring appears to rotate clockwise and the outer one counterclockwise when observers approach the image fixating at the cross. The direction of illusory rotation is reversed when observers move away from the image. This way to observe motion illusion, i.e. the looming method, was proposed by Pinna and Brelstaff (2000).

Pinna, B. and Brelstaff, G. J. (2000) A new visual illusion of relative motion. Vision Research, 40, 2091-2096.



Pinna illusion, corresponding to Fig. 5 of Pinna and Brelstaff (2000)



Reversing each element of the upper image reduces illusion magnitude.



]"Rotation of crosses"

Rings appear to rotate when observers approach or move away from the image fixating at the center.

Copyright Akiyoshi Kitaoka 2016 (February 14)



]"Cogwheels"

Disks appear to rotate.

Copyright Akiyoshi Kitaoka 2016 (February 3) (original 2006)



]"Rotating candies"

Rings appear to rotate when observers get close to or move away from the image gazing at the center.

Copyright Akiyoshi Kitaoka 2002(?) (update December 19, 2015)



]"Rotating stumps 2"

Stumps appear to rotate.

Copyright Akiyoshi Kitaoka 2015 (September 18)


"Rotating sun"

The radial pattern appears to rotate clockwise.

Copyright Akiyoshi Kitaoka 2015 (February 8)


"Rotating rings of orange leaves and green ones"

In each image, the upper left and lower right rings appear to rotate clockwise whereas the other two counterclockwise.

Copyright Akiyoshi Kitaoka 2014 (December 20)


"Sheep"
(a remake)

Rings of sheep appear to rotate slowly.

Copyright Akiyoshi Kitaoka 2003, 2014 (November 22)


"Dongururin"*

renewal version

*Rotation of donguri (acorns). "Gururin" means rotation.

Rings of donguri appear to rotate.

Copyright A.Kitaoka 2003, 2012 (July 3, 2003)

September 17, 2012


"Dongururin"*

renewal version

*Rotation of donguri (acorns). "Gururin" means rotation.

Rings of donguri appear to rotate.

Copyright A.Kitaoka 2003, 2015 (July 3, 2003)

September 24, 2015


"Many dongururin"

Disks of donguri appear to rotate.

Copyright A.Kitaoka 2015 (September 24)

"More dongururin"

Disks of donguri appear to rotate.

Copyright A.Kitaoka 2015 (September 24)



"Rotating neural circuits"
(a renewal)

The two concentric arrays of stars appear to rotate in the different directions when we approach or move away from the figure while fixating at the center.

Copyright A.Kitaoka 2000, 2016


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#9 #8 #7 #6 #5 #4 #3 #2 #1


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