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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.
* p" ]' d* i4 B0 f                        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." x, `; O' e# M, u3 v, E0 {
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.
7 L$ Z+ L& D3 Q3 b( OKnowing three or more languages provided no extra benefit, the authors said.8 I) g5 a/ \6 n
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From: http://www.washingtonpost.com/na ... 37c6f484_story.html
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