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Crossed Aphasia in a Dextral Patient : A Case of Sensory Aphasia due to a Right Hemispheric Lesion Masahiro Shibata 1 , Haruo Seno 1 , Hiroshi Ishino 1 1Department of Psychiatry, Shimane Medical University Keyword: crossed aphasia , sensory aphasia , jargon aphasia , Wernicke aphasia , cerebral nemorrnage pp.571-576
Published Date 1993/6/1
DOI https://doi.org/10.11477/mf.1406900500
  • Abstract
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An extremely rare case of sensory aphasia due to a right hemispheric lesion in a 61-year-old, right-handed male is reported. He manifested jargon aphasia, constructional apraxia and ideational apraxia after an operation for right temporo-pari-etal cerebral hemorrhage. Standard language test of aphasia (SLTA) administered 6 months after the onset revealed disturbance of verbal comprehension and repetition, fluent jargon with many paraphasias and paragraphias. The brain CT, MRI and IMP-SPECT disclosed right temporo-parietal and angu-lar lesions. There are two other reported cases of right posterior lesion (fuels et al. 1982, Habibs et al. 1983) accompanied by symptoms similar to those in this case, e.g., jargon aphasia, paragraphia and apraxia, and in these cases as well the right deep hemispheric lesion encompassed Wernicke's area.

It is suggested that the right and left brain func-tions are reversed in this patient, because the symp-toms of the dominant hemisphere such as sensory aphasia, constructional apraxia, and ideational apraxia were associated with the lesion of the right hemisphere.


Copyright © 1993, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 2185-405X 印刷版ISSN 0006-8969 医学書院

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