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See Inside The Science of Perception

The Eyes Have It [Preview]

Eye gaze is critically important to social primates such as humans. Maybe that is why illusions involving eyes are so compelling

EINSTEIN'S ALTER EGOS
The ghostly gaze illusion is based on a hybrid-image technique created by Aude Oliva and Philippe G. Schyns of the Massachusetts Institute of Technology. In a shocking example of how perceptual interpretation of hybrid images varies with viewing distance, Albert Einstein, seen from up close, becomes Marilyn Monroe (left) or Harry Potter (right), when seen from a few meters away. For more hybrid images created by the Oliva laboratory, visit the hybrid image gallery at http://cvcl.mit.edu/hybrid_gallery/gallery.html.

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