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As aforementioned, the introvert-extrovert scale relies on issues like sociability and the place you get your vitality. On one finish of the spectrum, introverts favor quiet, reflective alone time, whereas extroverts favor participating with others, expressing themselves, and directing their focus outward.
Introverts additionally really feel drained after spending time with folks (particularly giant teams), whereas that is the place extroverts thrive, and so they’ll really feel drained after an excessive amount of alone time.
Research has additionally pointed to explanations within the mind for why some persons are extra introverted versus extroverted. Namely, one research1 discovered thicker areas within the prefrontal cortex of introverts in comparison with extroverts—the a part of the mind that offers with issues like planning and choice making, which might clarify why introverts are usually extra reserved, whereas extroverts are usually extra impulsive.
“Of all of the totally different persona traits, introversion and extroversion are one of many ones which might be most strongly hereditary,” Page says, including that environmental elements, similar to the way you have been raised, may also come into play.
Our DNA additionally determines the diploma to which we will be versatile in these traits, he says. “Introversion and extroversion is admittedly related to a complete bunch of points round our neurotransmitters, and a very powerful one is dopamine,” he says.
Dopamine fuels our reward heart within the mind, and Page explains that extroverts have a tendency to understand or be motivated by these dopamine hits. “But introverts,” he notes, “their brains are much less pushed by that want for dopamine and that pleasure over dopamine.”
And this phenomena has been backed up by research, with analysis2 displaying that extroverts have a stronger response and dopamine response to rewards than introverts, which each highlights that extroverts have a tendency to hunt extra dopamine hits, and in addition reaffirms the aforementioned level about impulsivity.
As you may think, the place you fall on the spectrum can manifest into many alternative areas of your life, from the way you method friendships and relationship, to the way you finest get work finished, to how you like to spend your time.
If you are still unsure whether or not you are an introvert or extrovert, this is a quiz to seek out out.