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Secrets of Illusions

November 23, 2008
clipped from www.redorbit.com

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clipped from www.redorbit.com
Barrow scientists solve 200-year-old scientific debate involving visual illusions

Participants in the study observed the Enigma illusion while their eye movements were simultaneously recorded with high precision cameras. Microsaccade rates increased before the illusionary motion sped up and decreased before the motion slowed, revealing a direct link between the eye movements and the illusion.

“We have discovered that this illusion originates with eye movements and not solely the brain as previously thought,” says Dr. Martinez-Conde. “The findings from the study could help design future prosthetics for patients with brain damage or brain lesions that affect the perception of motion.”

Image Caption: “The Enigma” is by Isia Leviant (1981)
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