Speaking a second language could help your aging brain

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[D]oes mastering a second language hone our multitasking skills or merely muddle us up?

In the Annual Review of Linguistics, psycholinguist Mark Antoniou of Western Sydney University in Australia outlines how bilingualism — as he defines it, using at least two languages in your daily life — might benefit our brains, especially as we age.

This conversation has been edited for length and clarity.

[Knowable:] What are the benefits of bilingualism?

[Antoniou:] The first main advantage involves what’s loosely referred to as executive function. This describes skills that allow you to control, direct and manage your attention, as well as your ability to plan. It also helps you ignore irrelevant information and focus on what’s important. Because a bilingual person has mastery of two languages, and the languages are activated automatically and subconsciously, the person is constantly managing the interference of the languages so that she or he doesn’t say the wrong word in the wrong language at the wrong time.

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The brain areas responsible for that are also used when you’re trying to complete a task while there are distractions. The task could have nothing to do with language; it could be trying to listen to something in a noisy environment or doing some visual task. The muscle memory developed from using two languages also can apply to different skills.

Read full, original post: How a second language can boost the brain

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