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This is Scientific American 60-Second Mind, I'm Christie Nicholson. Got a minute?

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Learning a new language can grow one's perspective.

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Now scientists find that learning languages grows parts of the brain.

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Scientists studied the brains of students in the Swedish Armed Forces Interpreter Academy,

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who are required to learn new languages at an alarmingly fast rate.

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Many must become fluent in Arabic, Russian and the Persian dialect Dari in just 13 months.

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The researchers compared the brains of these students to the brains of medical students who also have to learn a tremendous amount in a very short period of time,

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but without the focus on languages.

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The brains of the language learners exhibited significant new growth in the hippocampus and in parts of the cerebral cortex.

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The medical students' brains showed no observed growth.

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The study was in the journal NeuroImage.

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Interestingly, the amount of growth in the brains of the linguists correlated with better skills,

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so those with better language skills also experienced more growth in the hippocampus and areas of the cerebral cortex that relate to language.

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For other students who had to work harder to improve their language skills, the scientists found greater growth in the motor area of the cerebral cortex.

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Where and how much change take place in the brain are linked to how easily one picks up a language.

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But it remains to be seen why this is

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Thanks for the minute, for Scientific American 60-Second Mind. I'm Christie Nicholson.

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