"As a person on the periphery of vision, the brain does not have enough information to understand that currently face different people very quickly succeed each other - it's not too natural. Instead, the brain allows for a reasonable explanation: the periphery glimpsed the face of one and the same person, and change the brain of persons considered as a change of emotions on the same face. Not only that, every other person is not like the previous one - each of them is different, and even facial expressions. As a result, the person on the periphery of cartoon features the sharp gain ».
blockquote> This optical illusion was first described last year by researchers Jason Tangen, Sean Murphy and Matthew Thompson from the University of Queensland. Interestingly, the effect of Murphy discovered accidentally when flick through photos, lined up at eye level.
via factroom.ru