Introverts' and Extroverts' Brains Really Are Different, According To Science | Tidbits, titbits or tipbits? | Scoop.it

Why do extroverts like action, and introverts like calm?

It has to do with two powerful chemicals — dopamine and acetylcholine, “jolt juices” that hugely impact our behavior, according to J. Allan Hobson, a professor of psychiatry at Harvard.

Dopamine gives immediate, intense zaps of happiness when its users act quickly, take risks, and seek novelty.


Via The Learning Factor