The Cranial Nerves Diagram
You can follow this cranial nerves diagram to see which specific nerve in the brain is responsible for all responses and senses of the body. For instance the Olfactory Nerve (cranial nerve I) is responsible for the sense of smell. The Facial nerve (cranial nerve VII) is responsible for your sense of taste. By following this diagram you can see where some brain injury deficits come from as there may be damage to the specific nerve.
A Guide to Brain Anatomy, Function and Symptoms