An Enigma Solved – Barrow Neurological Institute In Arizona Discovers What Causes OpticalIllusions (Article 09/29/2008)

I remember in elementary school that the teacher would often bring in posters that, depending on how you looked at them, the picture would appear as anything from a collection of shapes and squiggly lines to a fairietale castle. The Barrow Neurological Institute in Arizona has performed a study on optical illusions, using the 1981 painting, Enigma, by Isia Leviant. Click the link below to read the article and find out the results of the research and view the painting.