By definition, an introvert is “a person characterized by concern primarily with his or her own thoughts and feelings,” which sounds extremely self-centered and is only slightly accurate. Introverts aren't homebodies or self-absorbed, anxious weirdos.

Are introverts more self centered?

sriv said: Introverts are self-centered in that they are somewhat unwilling to make sacrafices (of time, getting to know others, etc.) Extraverts are self-centered in that they demand attention.

Are introverts are selfish?

Introverts when they are depressed tend to withdraw to themselves and they can become in a selfish mode where they do not think about other people because it's so beyond them.