Human brain defaults to social thinking setting when not actively engaged

The link is a short overview of Matthew D. Lieberman’s book, Social: Why Our Brains Are Wired to Connect

Includes the famous quote from Aristotle:

“Man is by nature a social animal … Anyone who either cannot lead the common life or is so self-sufficient as not to need to, and therefore does not partake of society, is either a beast or a god.”