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September 20, 2016 04:00 pm
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/GGZa5XP5lGU/when-blind-people-do-algebra-the-brains-visual-areas-light-up
When Blind People Do Algebra, the Brain's Visual Areas Light Up
People born without sight appear to solve math problems using visual areas of the brain. NPR has a fascinating report on this: A functional MRI study of 17 people blind since birth found that areas of visual cortex became active when the participants were asked to solve algebra problems, a team from Johns Hopkins reports in the Proceedings of the National Academy of Sciences. "And as the equations get harder and harder, activity in these areas goes up in a blind person," says Marina Bedny, an author of the study and an assistant professor in the department of psychological and brain sciences at Johns Hopkins University. In 19 sighted people doing the same problems, visual areas of the brain showed no increase in activity. "That really suggests that yes, blind individuals appear to be doing math with their visual cortex," Bedny says. The findings, published online Friday, challenge the idea that brain tissue intended for one function is limited to tasks that are closely related.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/GGZa5XP5lGU/when-blind-people-do-algebra-the-brains-visual-areas-light-up
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