The Science of What Makes an Introvert and an Extrovert

Posted: November 8, 2015 in Knowledge, psychology
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Several decades ago, German psychologist Hans Eysenck came up with a more biologically based model for E/I. According to Eysenck’s theory, the behaviors of introverts and extroverts are due to differences in cortical arousal (the speed and amount of the brain’s activity). Compared with extroverts, introverts have naturally high cortical arousal, and may process more information per second.

Source: The Science of What Makes an Introvert and an Extrovert

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