Sou's brain activation

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2025/01/18 (Sat.)

The Brain of Bilingual (バイリンガルの脳)

I wonder that How the brain of bilinguals (multilingual) is
composed, so in today’s article, I talk about
the difference between monolingual and bilingual.

First, verbal activity consists of various areas.
The typical areas are called “Broca’s area” and
“Wernicke’s area” .

Broca’s area is an expressive language area, that is,
this area is responsible for “linguistic output”.

Wernicke’s area is an Receptive language area, that is,
this area is responsible for “linguistic input(comprehension)”.

These areas compose the network in each other, and build up
the sophisticated linguistic functions.


Let’s focus on the main subject.

In each area, one linguistic activated part is occur in
different one. But Beginners tend to use same part,
and that becomes the cause of non fluent speaking.

In contrast, The bilingual, especially people who got another
language under five-yea-old use completely another part.

So bilingual naturally uses two languages,
and doesn’t feel he or she changes the SWITCH.

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