What happens in the brain when you learn a language?

Scans and neuroscience are helping scientists understand what happens to the brain when you learn a second language 

Kara Morgan-Short using electrophysiology to examine the inner workings of the brain during language learning.
Photograph: Yara Mekawi/University of Illinois

Learning a foreign language can increase the size of your brain. This is what Swedish scientists discovered when they used brain scans to monitor what happens when someone learns a second language. The study is part of a growing body of research using brain imaging technologies to better understand the cognitive benefits of language learning.”
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