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Speaking two languages may keep the mind sharp longer than knowing only a single language, even in those who can’t read., @2 @8 w- P& y/ k% c
Scientists reviewed the records of 391 bilingual and 257 monolingual patients diagnosed with dementia between 2006 and 2012 at a clinic in Hyderabad, India. Patients who spoke two languages developed the first signs of dementia an average of 4.5 years later than those who spoke only one language.) `7 O. K z. Y% w. l' v& t" d6 `
Additional results suggest that education alone cannot account for the difference. Bilingual speakers who could not read developed dementia an average of six years later than single-language speakers, the researchers reported last week in the journal Neurology.! T& m" I' E: b# |% A9 z
Knowing three or more languages provided no extra benefit, the authors said.2 U# u( }" N4 c& t
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From: http://www.washingtonpost.com/na ... 37c6f484_story.html |
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发表于 2013-11-18 19:30:57
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