The term retroinsular area refers to a composite structure of cerebral cortex defined on the basis of cytoarchitecture in the human ( Kurth-2010a ) and the macaque ( Pandya-1973 ). Located at the caudal extreme of the insula, it is composed of two subdivisions: area reIpt of Pandya, which is separated from the insula by the superior limiting sulcus, and area reIt of Pandya, which is separated from it by the inferior limiting sulcus.