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Blindsight - Blind man can see and avoid obstacles

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Uploaded on Dec 25, 2008

original source: http://www.nytimes.com/2008/12/23/hea...

Blind, Yet Seeing: The Brains Subconscious Visual Sense

William Duke
BLINDSIGHT A patient whose visual lobes in the brain were destroyed was able to navigate an obstacle course and recognize fearful faces subconsciously.


By BENEDICT CAREY
Published: December 22, 2008
The man, a doctor left blind by two successive strokes, refused to take part in the experiment. He could not see anything, he said, and had no interest in navigating an obstacle course — a cluttered hallway — for the benefit of science. Why bother?

You just had to see it to believe it, said Beatrice de Gelder, a neuroscientist at Harvard and Tilburg University in the Netherlands, who with an international team of brain researchers reported on the patient on Monday in the journal Current Biology. A video is online at www.beatricedegelder.com/books.html

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