基礎心理学研究
Online ISSN : 2188-7977
Print ISSN : 0287-7651
ISSN-L : 0287-7651
半側空間無視症例の自発書字に見られた左の字画の脱落
能智 正博山田 麗子草野 修輔
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ジャーナル フリー

1994 年 13 巻 1 号 p. 11-15

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We report a patient who developed hemi-spatial neglect and visuo-constructive disability caused by cerebral infarctions in the right parietal and occipital lobes. Her writing was characterized by omissions of the left strokes in several kana-characters as well as symptoms of spatial agraphia. When asked to count the number of strokes in kana-characters from memory, she also made a report that suggested omissions of the left strokes in the same characters. Based on those observations, we infer that the left hemi-spatial neglect affected the one higher level writing process which involves visual representation of kana-characters. Also, we hypothesize that the disorder on that level manifested itself in her handwriting because her visuo-constructive disability prevented the motor component of the writing process from compensating for that influence of hemi-spatial neglect.

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© 1994 日本基礎心理学会
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