Put simply: It coordinates action in more varied and context-dependent ways across more complex environments, AND it regulates a more complex internal environment.
Highly recommend this chapter from Sterling and Laughlin!
link.springer.com/article/10.1...
In Principles of Neural Design (2015, MIT Press), inspired by Charles Darwin, Sterling and Laughlin undertook the unfashionable task of distilling principles from facts in the technique-driven, data-s...