But at the same time our minds are something sort of built on top of our monkey brains. So-called "feral children" - people who didn't receive the appropriate

But at the same time our minds are something sort of built on top of our monkey brains. So-called "feral children" - people who didn't receive the appropriate attention in their early years to develop, among other things, language, are frighteningly less intelligent than their peers. We're animals, but we're also something more, held up only through an unbroken chain of socialization.