washingtonpost.com – (Bigstock) People who speak two languages may have brains that are more efficient at language processing and other tasks, new research suggests. Scientists have long assumed that the “bilingualism advantage” — the enhanced ability to filter out important information from unimportant material — stems from how bilingual people process language. The new study confirms that assumption and goes on to suggest that bilingual people are more efficient at higher-level brain functions such as ignoring irrelevant information, said Ellen Bialystok, a psychologist at York University in Toronto, who was not involved in the research.

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