The Evolution of the Neocortex

There ain't no caterpillar brain Inside the chrysalis that like yeah sits in there and then gets transferred into a butterfly Chassis. I'm afraid to google If the neocortex is evolved like how long it takes for a human brain to evolve over time Because I mean what you learn from the caterpillar experiment It happened to me has huge implications on That because even though a caterpillar turns to complete soup Before it becomes a butterfly.