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发表于 2013-11-18 19:30:57 |只看该作者 |倒序浏览
Speaking two languages may keep the mind sharp longer than knowing only a single language, even in those who can’t read.* i7 z/ E. f; D+ o% \& w+ A9 j7 D
                        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 W; u2 v% J+ Q( c5 h) W3 _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.
, G; d6 e' `& Q. @( GKnowing three or more languages provided no extra benefit, the authors said.
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$ P! ^' m9 n$ c; b, yFrom: http://www.washingtonpost.com/na ... 37c6f484_story.html
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