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Without left half, right brain fumbles words


Fifty years after the first split-brain study, scientists use new techniques to see how the brain coordinates the left and right hemispheres.

When words appear only in the left visual field—an area processed by the right side of the brain—the right brain must transfer that information to the left brain, in order to interpret it. The new study shows that healthy test subjects respond less accurately when information is shown only to the right brain.

“In the present study, new techniques—not present 50 years ago—begin to allow for an understanding of how the normal, undivided brain integrates the special functions of each half brain. It is a new beginning and very exciting,” says University of California, Santa Barbara neuroscientist Michael S. Gazzaniga.

Full story at Futurity.

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Photo credit: UCSB

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