A Crossed Kana Agraphia

We report a right-handed man who developed selective Kana (phonogram) agraphia following an infarct in the non-dominant right cerebral hemisphere. His ability for comprehension, reading and writing of Kanji (ideogram) was unaffected. Kana errors consisted of substitution with another letter and the...

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Main Authors: K. Abe, R. Yokoyama, T. Yanagihara
Format: Article
Language:English
Published: Wiley 1995-01-01
Series:Behavioural Neurology
Online Access:http://dx.doi.org/10.3233/BEN-1995-8208
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author K. Abe
R. Yokoyama
T. Yanagihara
author_facet K. Abe
R. Yokoyama
T. Yanagihara
author_sort K. Abe
collection DOAJ
description We report a right-handed man who developed selective Kana (phonogram) agraphia following an infarct in the non-dominant right cerebral hemisphere. His ability for comprehension, reading and writing of Kanji (ideogram) was unaffected. Kana errors consisted of substitution with another letter and the number of target words was well preserved. The lesion responsible for his Kana agraphia included the right Wernicke's area (the posterior one-third or one-half of the superior temporal gyrus) on MRI, but he did not have aphasia. Based on these findings, we conclude that the language function in some dextral people may be partially lateralized to the right cerebral hemisphere.
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institution Kabale University
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1875-8584
language English
publishDate 1995-01-01
publisher Wiley
record_format Article
series Behavioural Neurology
spelling doaj-art-3dc8f8b6cc954aa1b5955fcc5e79c96d2025-02-03T00:58:53ZengWileyBehavioural Neurology0953-41801875-85841995-01-018212112410.3233/BEN-1995-8208A Crossed Kana AgraphiaK. Abe0R. Yokoyama1T. Yanagihara2Department of Neurology, Osaka University Medical School, Osaka, JapanDivision of Speech Therapy, Kishiwada Tokushukai Hospital, Osaka, JapanDepartment of Neurology, Osaka University Medical School, Osaka, JapanWe report a right-handed man who developed selective Kana (phonogram) agraphia following an infarct in the non-dominant right cerebral hemisphere. His ability for comprehension, reading and writing of Kanji (ideogram) was unaffected. Kana errors consisted of substitution with another letter and the number of target words was well preserved. The lesion responsible for his Kana agraphia included the right Wernicke's area (the posterior one-third or one-half of the superior temporal gyrus) on MRI, but he did not have aphasia. Based on these findings, we conclude that the language function in some dextral people may be partially lateralized to the right cerebral hemisphere.http://dx.doi.org/10.3233/BEN-1995-8208
spellingShingle K. Abe
R. Yokoyama
T. Yanagihara
A Crossed Kana Agraphia
Behavioural Neurology
title A Crossed Kana Agraphia
title_full A Crossed Kana Agraphia
title_fullStr A Crossed Kana Agraphia
title_full_unstemmed A Crossed Kana Agraphia
title_short A Crossed Kana Agraphia
title_sort crossed kana agraphia
url http://dx.doi.org/10.3233/BEN-1995-8208
work_keys_str_mv AT kabe acrossedkanaagraphia
AT ryokoyama acrossedkanaagraphia
AT tyanagihara acrossedkanaagraphia
AT kabe crossedkanaagraphia
AT ryokoyama crossedkanaagraphia
AT tyanagihara crossedkanaagraphia