the cerebral cortex can be functionally subdivided into primary sensory-motor, unimodal association, heteromodal association, paralimbic and limbic regions. broca was the first who described limbic lobe in 1874, as a ring of gray matter, lying between the diencephalon and more lateral neocortex on the medial surface of the hemisphers. it locates outside of the corpus callosum and consists of su...