An Introvert's Brain Have you ever wondered why you are an introvert? It all started when Carl Jung described introverts and extroverts. He explained that extroverts got their energy from social interactions while introverts need time to relax in calm environments. However, we are sometimes more on each side of the spectrum than the other depending on external and internal factors. In our brains, we have dopamine, which is a chemical that motivates us to achieve goals. When it is released, we become more active in our surroundings. In extroverts, the dopamine reward system is more active so they feel more energized than introverts in social events. Instead, introverts may feel overstimulated. As for the nervous system, introverts prefer using the parasympathetic system which allows them to rest and be calm. Extroverts prefer using the sympathetic side which increases dopamine and releases more adrenaline when it is stimulated. Introverts tend to overthink because th...