since September 25, 2006
Warning: This page includes real animations. Please do not keep watching them for a long time. Although this page has carefully avoided the known harmful stimuli, unknown ones might happen to be included. Never copy them.
"A demo of motion aftereffect of 'reversed phi' produced with phenomenal phenomena"
After fixing your eyes at the center of the left movie that shows illusory contraction and seeing it for a while, turn to see the right portrait, then you will see illusory expansion.
Copyright Akiyoshi Kitaoka 2020 (April 4)
"Stolen Munch Scream found safe"
Keep watching the center of this movie for a while, and see a stationary object or scene. Then, you will find a distorting visual field.
Copyright Akiyoshi Kitaoka 2006 (September 28)
"Waving visual field"
Keep watching the center of this movie for a while, and see a stationary object or scene. Then, you will find the visual field waving.
Copyright Akiyoshi Kitaoka 2006 (September 25)
You can also enjoy this effect by rotating the printed image shown below.
Image of high resolution (PDF, 1.5MB)