Everyone's personality is different- some like constant interaction with others, while other prefer a more solitary, reflective existence. And it turns out, this behavior goes beyond personality, but is actually the result of physiological differences in the brain. Laci looks at what those differences are.

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Are Extroverts Happier than Introverts?
http://www.psychologytoday.com/blog/t...
"Insight into differences between two personality types."

The Great Introverts and Extroverts of Our Time
http://healthland.time.com/2012/01/27...
"Herewith, TIME's unscientific survey of loud (and quiet) giants — it takes both kinds to make history."

Experts: Introverted youth have deep roots for behavior
http://usatoday30.usatoday.com/news/h...
"The attitude that there's something wrong with introverted people is widely shared in society, where fast talk and snap decisions are often valued over listening, deliberation and careful planning."

Extraversion or Introversion
http://www.myersbriggs.org/my-mbti-pe...
"The first pair of psychological preferences is Extraversion and Introversion. Where do you put your attention and get your energy?"