Quotes About Encephalization

There is no doubt that human evolution has been linked to meat in many fundamental ways. Our digestive tract is not one of obligatory herbivores; our enzymes evolved to digest meat, whose consumption aided higher encephalization and better physical growth.

On this scale, the human brain is 7.5 times bigger than the brain of a typical mammal weighing as much as we do, with all other mammals having smaller encephalization quotients. Why the size of say, the prefrontal cortex, should relate to the size