The fascinating thing about our best and worst behaviors isn't the behavior itself - the brain tells the muscles to do something or other - big deal. It's the meaning of the behavior.
Robert M. SapolskyThe frontal cortex is an incredibly interesting part of the brain - ours is proportionately bigger and/or more complex than in any other species.
Robert M. SapolskyEssentially, we humans live well enough and long enough, and are smart enough, to generate all sorts of stressful events purely in our heads.
Robert M. SapolskyNaturally, things are more complicated - those groovy, pro-social effects of oxytocin apply to how we interact with in-group members.
Robert M. Sapolsky