Research NewsNeuroscience

Writing, Speech Separated in Split Brain

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Science  08 May 1998:
Vol. 280, Issue 5365, pp. 827
DOI: 10.1126/science.280.5365.827

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By studying an epileptic patient whose brain was surgically divided to control her seizures, researchers have found that the centers for speech and writing, long thought to be in the same side of the brain, can reside in different hemispheres. Although it's hard to generalize from this single case, the findings, reported on page 902, suggest that spoken and written language can develop separately and may lead to a new understanding of learning disorders.