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識字障害に関連する脳部分は英語と漢字で違う

2004年9月03日 【雑学なメモ
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news@nature.com?-?Chinese dyslexics have problems of their own
People with dyslexia often find it difficult to recognize and understand words. Speakers of alphabetic languages, such as English or Russian, can have a problem converting letters into sounds. Dyslexics in these languages have reduced activity in a brain region called the left temporoparietal cortex.
But Chinese readers must learn the meanings of around 5,000 different characters, each corresponding to a word. Instead of letter-to-sound conversion problems, Chinese dyslexics have difficulties extrapolating from a symbol’s shape to its sound and meaning.

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