Extroverts, Introverts, and the Brain’s Reward Center As an introvert, I’ve always been intrigued (and at times annoyed) by the ability/propensity of extroverts to talk as much as they do, especially about themselves.  Before I really understood how extroverts were wired, I used to think they were unusually self-absorbed.  However, it is just that extroverts process information more externally, while …