Professor Akiyoshi Kitaoka, Faculty of Comprehensive Psychology at Ritsumeikan University, creates some of the best motion illusions out there. As such, he has been featured on An Optical Illusion on many occasions. One of his newer illusions, Moving Snakes, is presented below. What do you see? Are the purple, black, green, and yellow snakes slithering […]

Here is the latest work from professor Akiyoshi Kitaoka, who is never one to disappoint when it comes to creating innovative relative motion illusions. The orange rings in this optical illusion appear to rotate against the purple background. (via Akiyoshi Kitaoka)

The six thin strips within this circle, created by Professor Akiyoshi Kitaoka, appear to tilt alternately.  In reality, each of the strips are all parallel with one another.  It certainly does not appear that way, but if you hold up a straight edge to the side of each of them, you will see that they […]

The two snakes appear to be in motion even though this image is completely static.  This another terrific example of an anomalous motion illusion created by Professor Akiyosh Kitaoka.  His illusions are very popular on this site, primarily because he creates some of the best motion illusions in the business. (via Akiyoshi Kitaoka)

Psychology professor Akiyoshi Kitaoka recently posted this optical illusion on his Facebook page, which then made it to Twitter and quickly went viral through a large number of shares and retweets.  If you look at this pattern, you will be able to find 12 black dots.  The problem is, most people are completely unable to […]

This is an interesting motion illusion that Professor Akiyoshi Kitaoka created back in 2010.  When you simply look at it, you’ll just notice a series of different-colored square outlines.  But if you use your scroll bar and move the image up and down, something interesting happens.  As the actual image moves, the square insert also […]

In this variant of the Hermann grid illusion created by Professor Akiyoshi Kitaoka, illusory blue dots can be seen in the white circles where the squares intersect.  This phenomenon was first reported in 1870 by Germany physiologist Ludimar Hermann.  The blue dots cannot be seen if you look directly at one of the white circles.  […]