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KMID : 1100220030020020169
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Dementia and Neurocognitive Disorders
2003 Volume.2 No. 2 p.169 ~ p.173
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A Case of Atypical Lateralization of Cognitive Functions in a Left-handed Man
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Hahm Dong-Seok
Kwak Yong-Tae
Suh Mee-Kyung
Park Key-Chung
Na Duk-Lyul
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Abstract
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A 65-year-old left-handed man, following a total left MCA infarction, showed right hemineglect, visuospatial dysfunction, ideomotor apraxia, and Gerstmann syndrome without aphasia. These findings suggest that cognitive functions of this patient have been reversely la`eralized except for the dominant parietal lobe. We report this case because this atypical lateralization of cognitive function is very rare. This patient also showed unusual agraphia that consisted of well-formed but meaningless letters. This writing pattern may help understand the contribution of non-dominant parietal lobe to Hangul writing process.
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KEYWORD
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Atypical lateralization, Agraphia, Left-hander
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