13. Evolutionary Advantages of a Busy Brain
Why did the brain evolve to sustain such high baseline activity? One reason may be the survival advantage it offers: a constantly primed mind can react swiftly to threats, opportunities, or new information. This ever-ready state boosts our ability to learn, adapt, and remember critical experiences. By maintaining background processing, our ancestors could process complex social cues or environmental changes—skills that helped them thrive in unpredictable worlds and pass on their genes.