Historically researchers of neuroscience and psychology have believed that the cerebral cortex produces the unique mental capacities of human beings. However, a prevalence of brain-imaging evidence now shows that the cerebral cortex, while the seat of our everyday experience (notably in working memory), is not predominant in actually formulating our amazing capabilities. Rather, the achievements that mark humans as “Homo sapiens” originate in the cerebellum which increased three- to fourfold in size and acquired massive cognitive and social optimization capabilities over the last million years. Thus, through its optimization of experience and skill of the cerebral cortex, it was the cerebellum that...