The researchers in this line of inquiry tend to share a common hypothesis: that being bilingual is a kind of constant inhibitory mental exercise. With two languages in the mind, nearly everything has two labels (words) and nearly everything can be expressed in two different kinds of sentences (grammar). Every time a thing is named, an alternative must be suppressed. Every time a sentence is constructed, the other way of constructing it must be suppressed. Blocking out distracting information is exactly what researchers find that bilinguals do well. And as for dementia, the effect seems to be a kind of analogue to physical activity over the course of a lifetime keeping a body fit. Mental exercise keeps the brain fit, and bilingualism is just that kind of exercise. economist/blogs/prospero/2014/10/johnson-bilingual-brains
Posted on: Sat, 18 Oct 2014 07:56:01 +0000
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