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September 1988

Evidence for Right-Hemisphere Involvement in Recovery From Aphasia

Author Affiliations

From the Division of Neurosurgery, The University of Texas Medical Branch, Galveston.

Arch Neurol. 1988;45(9):1025-1029. doi:10.1001/archneur.1988.00520330117020

• Cortical evoked potentials and dichotic listening test scores were used to assess the extent of activation of the two cerebral hemispheres during various language tasks in a group of 21 recovering aphasics, 15 nonaphasic patients with right-hemisphere stroke, and 17 normal volunteers. In agreement with previous findings, both measures suggest greater right-hemisphere activation during language processing in the recovering aphasics than in nonaphasic patients and normal subjects. These data support the view that restitution of language entails reorganization of brain function with increased participation of the nondominant hemisphere.

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