The Corpus callosum is a network of myelinated cells that connects the left to the right hemisphere of our Cerebral. Now, the outermost and the topmost portion of our cerebral is a section known as the cerebral cortex. And within our cerebral cortex, we have the higher level functioning processes taking place. So that is our teleencephalon. It contains the cerebral, the hippocampus and the basal ganglia. Let's move on to our dimecephalon of the forebrain.