ne·o·cor·tex 
(nē′ō-kôrtĕks′)
(nē′ō-kôrtĕks′)n. pl. ne·o·cor·ti·ces (-tĭ-sēz′) or ne·o·cor·tex·es
The dorsal region of the cerebral cortex, especially large in primates, thought to have evolved more recently than other parts of the brain. Also called neopallium.
ne′o·corti·cal (-tĭ-kəl) adj.