Human brain. Computer artwork of a side view of a healthy human brain showing different lobes and regions. The main regions of the cerebrum seen here are: the frontal lobe (upper left); temporal lobe (lower centre); parietal lobe (upper right); occipital lobe (centre right). Beneath the cerebrum at the back of the brain is the cerebellum, with the brainstem rod-like (below cerebellum). The lobes make up the cerebrum, the most highly developed area of the brain. Higher conscious thought processes occur here with coordination of voluntary activity. The cerebellum maintains muscular coordination & body balance, and the brainstem controls vital functions.