How the Brain Learns to Read Can Depend on the Language:
Dyslexia, in which the mind scrambles letters or stumbles over text, is twice as prevalent in the U.S., where it affects about 10 million children, as in Italy, where the written word more closely corresponds to its spoken sound. “Dyslexia exists only because we invented reading,” said Tufts University cognitive neuroscientist Maryanne Wolf, author of “Proust and the Squid: The Story and Science of the Reading Brain.”Among children raised to read and write Chinese, the demands of reading draw on parts of the brain untouched by the English alphabet, new neuroimaging studies reveal. It’s the same with dyslexia, psychologist Li Hai Tan at Hong Kong Research University and his colleagues reported last month in the Proceedings of the National Academy of Sciences. The problems occur in areas not involved in reading other alphabets.