To view the animated demo, you need a Quicktime plugin in your browser or a Shockwave-capable browser.

If it works, you'll see something which looks very roughly like the picture below. The white discs are real, the dark regions are the illusions. The dark regions between the red fixation circle and the discs are the spokes illusion, the remaining dark regions are the wakes illusion.

Click here for the Quicktime version.

Click here for the Shockwave version.

To our knowledge, these illusions have not been documented before. We have two papers on these illusions.


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