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1 .This is Scientific American 60-Second Mind, I'm Christie Nicholson. Got a minute?
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2 .Learning a new language can grow one's perspective.
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3 .Now scientists find that learning languages grows parts of the brain.
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4 .Scientists studied the brains of students in the Swedish Armed Forces Interpreter Academy,
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5 .who are required to learn new languages at an alarmingly fast rate.
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6 .Many must become fluent in Arabic, Russian and the Persian dialect Dari in just 13 months.
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7 .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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8 .but without the focus on languages.
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9 .The brains of the language learners exhibited significant new growth in the hippocampus and in parts of the cerebral cortex.
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10 .The medical students' brains showed no observed growth.
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11 .The study was in the journal NeuroImage.
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12 .Interestingly, the amount of growth in the brains of the linguists correlated with better skills,
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13 .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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14 .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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15 .Where and how much change take place in the brain are linked to how easily one picks up a language.
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16 .But it remains to be seen why this is
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17 .Thanks for the minute, for Scientific American 60-Second Mind. I'm Christie Nicholson.
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