The quality or state of being energized by external stimulation and social interaction; opposite of introversion.
From Swiss psychiatrist Carl Jung's term 'extraversion,' combining Latin 'extra-' (outside) with 'versio' (turning), literally 'turning outward,' though 'extroversion' is an alternative spelling.
Carl Jung invented this psychological concept in the 1920s to describe personality types, and it became one of the Big Five personality dimensions in modern psychology—extroverts literally have different baseline arousal levels.
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