The answer to this question is found in your cerebrum. Your cerebrum is the main part of the brain in humans and other vertebrates. Functionally, it obtains information from your surroundings and/or body and then sends that information to a specific part of the cerebrum.The cerebrum interprets the knowledge and decides what must happen next.he cerebrum is the major structure in the brain, composed of a right and left hemisphere. Each hemisphere works together to control both sides of the body. Within the hemispheres are regions we call lobes.