Brains distinguish between an Us and a Them in a fraction of a second. Subliminal processing of a Them activates the amygdala and insular cortex, brain regions that are all about fear, anxiety, aggression, and disgust.
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. SapolskyGenes are rarely about inevitability, especially when it comes to humans, the brain, or behavior. They're about vulnerability, propensities, tendencies.
Robert M. Sapolsky