Brains are not primarily cognitive devices designed to solve chess problems

Brains are not primarily cognitive devices designed to solve chess problems, but evolved organs adapted to enhance the survival chances of the organisms they inhabit. Their primary role is to respond to the challenges the environment presents by providing the cellular apparatus enabling the brain's owner to assess current situations, compare them with past experience, and generate the appropriate emotions and hence actions. It is this evolutionary imperative within the particular line of descent leading to Homo sapiens that has resulted in our large and complex brains. As feminist sociologist Hilary Rose points out, Descartes’ famous "cogito ergo sum" should be replaced by "amo, ergo sum."