Brain Computer artwork of a human brain in a male wireframe head The brain is the nerve centre controlling bodily function and thought It interprets nerve signals received from the rest of the body and initiates the appropriate responses Most of the visible surface consists of the folds of the cerebral cortex the region responsible for intelligent thought language conscious movement and memory The cerebral cortex partially covers two structures at the rear base of the brain The cerebellum left of ear controls balance posture and muscular coordination The rodlike brainstem right of cerebellum controls vital subconscious functions including breathing and blood pressure