Human brain anatomy. Computer artwork of a persons head showing the brain with the right hemisphere removed. The following regions can be seen: frontal lobe (blue, upper right), parietal lobe (yellow, upper left), occipital lobe (green, left), temporal lobe (peach, upper centre), somatosensory cortex (red, top), medulla oblongata (brown, bottom left), cerebellum (beige, lower left), pons (light beige, lower centre) hippocampus (blue, centre left), midbrain (purple, centre), thalamus (yellow, centre), corpus callosum (white, upper centre), hypothalamus (blue, centre), optic nerves (pink, centre right), and the pituitary gland (red, centre).