An MRI experiment shows that the language you hear as a baby makes a permanent imprint on your brain.

The first language you learn as a baby “locks in” certain patterns in your brain and affects how you will learn other languages in future. Even if you forget that first language, it will continue to influence how you hear the sounds from other languages you may learn.

Researchers from McGill University and the Montreal Neurological Institute found that different parts of the brain light up when hearing your own original mother tongue, compared with words from a subsequently learned language. More.

See: Fast Company

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