Cytoarchitectonic maps of Brodmann (1909) (lateral viewa and medial viewb) and von Economo and Koskinas (1925) (lateral viewc and medial viewd). Area 19, the putative region of interest, is labeled in red. Modified and adapted functional maps (medial views of the occipital lobe) of van Essen and Drury (1997) (e); Tootell and Hadjikhani (2001) (f) and Zeki 2003 (g) reveal the functional segregation of the visual cortex