Unexpected Reading Dissociation in a Brazilian "nisei" with Crossed Aphasia release_xuyygovr5nf4phey645ewhlbqu

by P. Caramelli, M. A. M. P. Parente, M. L. Hosogi, M. Bois, A. R. Lecours

Published in Behavioural Neurology by Hindawi Limited.

1994   Issue 3-4, p165-170

Abstract

There is an increased interest in reading impairments in the Japanese language, due to its particular writing system which includes two different scripts, Kanji (logograms) and Kana (phonograms). Reading dissociations between Kanji and Kana have been described, showing that each system is processed differently by the cerebral hemispheres. We describe the case of a 68 year old Brazilian "nisei" (i.e. born from Japanese parents) who had knowledge of both Japanese and Portuguese. He presented an ischemic stroke affecting the right hemisphere and subsequently developed a Broca's aphasia and an unexpected reading dissociation, with an impairment in Kana reading comprehension and a good performance in Kanji and in Portuguese. These findings suggest that the patient's right and left hemispheres have assumed opposite roles not only for oral but also for written language decodification.
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