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

Saito K, Otsuki M, Ueno S

Department of Neurology, Nara Medical University, Nara, Japan. ksaito@naramed-u.ac.jp

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.

Published 2 October 2007 in Neurology, 69(14): 1466-8.
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