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Crossed Wernicke's aphasia

From the Neurology Service (Drs. Sweet, Panis, and Levine), Spaulding Rehabilitation Hospital: Neurology Service (Drs. Sweet and Levine), Massachusetts General Hospital; Department of Neurology (Drs. Sweet and Levine), Harvard Medical School; and Department of Neurology (Dr. Panis), Tufts-New England Medical Center, Boston, MA.

Severe Wernicke's aphasia occurred suddenly in a right-handed man and persisted with little improvement until he died 54 days later. Postmortem examination showed an infarct in the posterior temporoparietal region of the right hemisphere. This case demonstrates two new features of crossed dextral aphasia. First, language skills may be fully lateralized to the right hemisphere in right-handed patients. Second, when crossed lateralization occurs, the usual localization of aphasic syndromes is common, suggesting that the intrahemispheric organization mediating language activities is the same in the right hemisphere of the crossed dextral and the left hemisphere of the typical right-handed individual.

Address correspondence and reprint requests to Dr. Levine, Neurology Service, Burnham 802, Massachusetts General Hospital, Boston, MA 02114.

Accepted for publication July 12, 1983.