neocortex; isocortex
Anatomical term for the evolutionarily newest part of the cerebral cortex, involved in higher-order brain functions.
The neocortex is especially developed in mammals.
大脳皮質 is the broader term for the cerebral cortex, which includes both the neocortex (大脳新皮質) and the older allocortex.
Compound of 大脳 (cerebrum) + 新 (new) + 皮質 (cortex), a calque from the English 'neocortex' or German 'Neocortex'.