Rotating Pieces of Cheese by Akiyoshi Kitaoka

Motion 4 December 2014 0 Comments

Rotating Pieces of Cheese by Akiyoshi Kitaoka

The orange and purple ring appears to rotate clockwise on the green background in a twitching or jerky manner.  The effect is enhanced if you move your eyes rapidly around the image or look away from it briefly and then focus on it again. Compare this effect to another motion illusion created by Professor Kitaoka […]

Rotating Grapes by Akiyoshi Kitaoka

Motion 11 August 2014 0 Comments

Rotating Grapes by Akiyoshi Kitaoka

As you move your eyes around this image, the purple and yellow grapes appear to rotate around in circles.  Be careful with this one, you might start to get a little bit dizzy if you look at it for too long! To see more rotating circles, take a look back at the motion illusion in […]

M&M Bulge Illusion

Miscellaneous 20 March 2014 0 Comments

m&m bulge illusion

Using Legos and two colors of M&Ms, Mary Coffelt, Briena Heller, and Michael McCamy created the following optical illusion at Martinez-Conde and Macknik Laboratories, Barrow Neurological Institute.  The way that the candies are arranged on the checkered Lego pattern, the object appears to bulge even though the surface is flat.  This bulge illusion was originally […]

Moving Arrows Illusion

Motion 4 November 2013 0 Comments

Moving Arrows Optical Illusion

The yellow arrows on the purple background below appear to move independently to the left and the right.  Specifically, the top and bottom rows of arrows seem to have the most significant amount of motion for me.  If you are having trouble getting this static image to move, try staring at it while moving your […]

Eye Rays Motion Optical Illusion

Motion 26 August 2013 2 Comments

Eye Rays by Akiyoshi Kitaoka

Over the past few months, we have had several requests for a mobile version of An Optical Illusion.  We listened.  Now you can view a simplified version of the site on your mobile device.  At the bottom of the layout, you will also have the option to turn the new layout off and view the […]

Expanding Fields

Motion 15 July 2013 0 Comments

Bed Wetting Dream

In this work from Professor Akiyoshi Kitaoka, each of the four fields appears to expand and move toward you.  Like all of these motion illusions, the more you move your eyes around the image, the stronger the effect.  Try to hold your eyes still by looking at one location and the movement will cease. Visit […]

Active Volcano by Akiyoshi Kitaoka

Motion 26 April 2013 0 Comments

Active Volcano by Akiyoshi KITAOKA

In one of professor Akiyoshi Kitaoka’s latest works, each of the nine disks appears to expand.  This image can cause an uneasy feeling if you look it too long, so if you start to feel dizzy or nauseous make sure you scroll down or look away! The effect reminds me of that seen in the […]