According to Eysenck, differences between introverts and extraverts are attributable to the functioning of the ________.

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Eysenck proposed that introverts and extraverts have differences in the functioning of the ascending reticular activating system (ARAS), which is responsible for regulating arousal levels in the brain. Extraverts have a lower level of arousal, which causes them to seek out stimulation and engage in more outgoing behavior, while introverts have a higher level of arousal, leading them to be more withdrawn and less outgoing.

According to Eysenck, Differences Between Introverts and Extraverts Are Attributable