The Mystery of Human Uniqueness (2013)

Neuroscientists, geneticists, and anthropologists have all given the question of human uniqueness a go, seeking special brain regions, unique genes, and human-specific behaviors, and, instead, finding more evidence for common threads across species. All of the neocortex (the part of the brain that only mammals have) is a six-layered sheet, so different areas of the outer brain (which makes up most of the brain’s volume) wind up looking more similar than different. We ask questions like, “Might there be a greater degree of asymmetry between the left hemisphere and right hemisphere in human beings than chimpanzees in a part of the brain known as the planum temporale?”

Source: nautil.us