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'Blind' Man Navigates Obstacle Course Without Error
Date:12/22/2008

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Colin Ellard, associate chair of the department of psychology at the University of Waterloo in Canada, said the study findings reflect previous research that suggests the comprehension of vision isn't limited to one part of the brain.

The study "is useful in the sense that it adds to a larger story about how vision is organized in the brain," Ellard said. "The take-home message would be that our ability to 'see' consists of a constellation of different types of abilities. Some can help us to understand, think and talk about what is in the external world, but others act to help us organize movements such as reaching or walking to targets. This study highlights the fact that these different abilities depend on different parts of our brain."

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Learn more about blindsight from Bryn Mawr University.



SOURCES: Colin Ellard, Ph.D., associate chair, department of psychology, University of Waterloo, Ontario, Canada; Dec. 23, 2008, Current Biology


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