Caption:
Illustration showing anatomy of a normal brain in a superior (top) view. Noted from top to bottom on the left side are the following: frontal lobes, superior frontal sulcus, middle frontal gyrus, precentral sulcus, precentral gyrus, central sulcus, postcentral gyrus, postcentral sulcus, parietal lobe, longitudinal fissure, lunate sulcus, and the occipital lobe.