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To characterize the language deficits in corticobasal degeneration (CBD) and their relation to neuroradiologic findings, the authors administered a standardized battery of neurobehavioral tests and performed MRI studies on 15 patients with CBD. Eight patients (53%) had classifiable aphasias, including anomic, Broca's and transcortical motor aphasias. The aphasias were associated primarily with left frontal and parietal cortical damage and subcortical white matter and corpus callosum abnor malities. Our findings demonstrate that language disturbances in CBD are more frequent than previously considered. |
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