Every human brain has valleys and ridges that fold over…
Every human brain has valleys and ridges that fold over each other. The deep grooves are called Sulci and the raised areas are called Gyri. All of our body's important information is stored in the grooves. Our brain's countless number of curved folds can pack in more neurons enabling an increased amount of cognitive abilities. The Amygdala part of our brain is responsible for inner dialogue. Every time you have an inner thought ... your amygdala moves around and becomes juicier.