Your cranial nerves are imperative to how your neck, head, and face function. Any damage to these 12 nerves could have a great impact on your day-to-day life.

The cranial nerves are a set of twelve pairs of nerves that travel to and from the brain. Each has a different function. For example, the olfactory nerve is essential for detecting smells. The ...

Next, test the function of all 12 cranial nerves. Cranial-nerve lesions can affect one or both sides of the body, so it is important to examine each side and compare the results.