the.com/introversion

Not shy — just running on a battery that charges in silence, not crowds.

means A personality orientation toward one's own inner thoughts and feelings rather than outward social stimulation, and where one draws and spends mental energy.

from From Latin intro- 'inward' plus vertere 'to turn' — literally 'a turning inward.' The word entered English via the psychological vocabulary built up in the early 20th century, with Carl Jung giving it currency as a technical term around the 1920s when he paired it against its twin, extroversion, to describe where people direct their psychic energy.

not shyness
shyness fears judgment, introversion just prefers solitude
energy source
draws energy from alone time, spends it socializing
brain wiring
introverts show more cortical arousal at rest than extroverts
spectrum, not switch
most people sit somewhere in the ambivert middle
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