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Recovery of naming in aphasia

Relationship to fluency, comprehension and CT findings

From the Department of Neurology, Hennepin County Medical Center and University of Minnesota, Minneapolis, MN.

We assessed oral naming skill after left hemisphere ischemic stroke in 54 right-handed aphasics. Initially, almost all had moderate to severe disability in oral naming. After 6 months, normal scores were achieved by one-third of the patients, all with lesions less than 60 cm? in volume. Only 2 of 18 patients who were nonfluent at 6 months had normal naming then. Among patients with lesions less than 60 cm³ and persistently poor naming, there were two discrete lesion sites: posterior superior temporal-inferior parietal (semantic paraphasic errors) and insula-putamen (phonologic paraphasic errors). Individual variability was notable, with several patients regaining normal naming ability despite posterior temporal or insula-putamen lesions.

Address correspondence and reprint requests to Dr. Knopman, Department of Neurology, Box 295, University Hospitals, 420 SE Delaware Street, Minneapolis, MN 55455.

This study was supported by NINCDS contract NO1-2378.

Presented in part at the thirty-fifth annual meeting of the American Academy of Neurology, San Diego, CA, April 29, 1983.

Accepted for publication March 8, 1984.

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