I've wondered in the past if humans have traded off hard-coded instincts for more cerberal cortex or more connectivity between brain regions. Culture and commu

I've wondered in the past if humans have traded off hard-coded instincts for more cerberal cortex or more connectivity between brain regions. Culture and communication is now part of our environment and so our genes don't have to carry as much information about the environment itself; our parents/society can add it later.