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NEUROLOGY 2007;69:1466-1468
© 2007 American Academy of Neurology

Sign language aphasia due to left occipital lesion in a deaf signer

Kozue Saito, MD, Mika Otsuki, MD and Satoshi Ueno, MD

From the Department of Neurology (K.S., S.U.), Nara Medical University; and School of Psychological Science (M.O.), Health Sciences University of Hokkaido, Japan.

Address correspondence and reprint requests to Dr. Kozue Saito, 840 Shijo-cho, Kashihara, Nara 634-8522, Japan

Localization of sign language production and comprehension in deaf people has been described as similar to that of spoken language aphasia. However, sign language employs a visuospatial modality through visual information. We present the first report of a deaf signer who showed substantial sign language aphasia with severe impairment in word production due to a left occipital lesion. This case may indicate the possibility of other localizations of plasticity.

GLOSSARY: ASL = American Sign Language; JSL = Japanese Sign Language; WAB = Western Aphasia Battery.

ksaito{at}naramed-u.ac.jp

Disclosure: The authors report no conflicts of interest.

Received July 4, 2006. Accepted in final form April 24, 2007.






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