I wonder if they'll end up with specialized subunits for different processing tasks, like the old "lizard brain" model with the neocortex on top of other layers

I wonder if they'll end up with specialized subunits for different processing tasks, like the old "lizard brain" model with the neocortex on top of other layers: https://en.wikipedia.org/wiki/Triune_brain https://en.wikipedia.org/wiki/Triune_brain