A complex system of nerves and muscles enables the human eye to blink, gaze, and shift focus. The trochlear nerve is one of six cranial nerves that carry electrical impulses from the brain to the eye.

The brain is made up of many different parts, each responsible for maintaining certain processes in the body or mind. The medulla oblongata is a small area of the brain stem. Though it may be little, ...

The vagus nerve connects the brain to major organs throughout the body and plays important roles in many bodily functions. For people with mobility issues participating in physical therapy, ...

Because the brain processes all of the body’s signals, it houses major nerves to collect the information and get it to the proper section of the brain. There are 12 pairs of major nerves called ...

The trochlear nerve is also known as cranial nerve IV (CN-IV). It is the only cranial nerve that emerges dorsally from the brain (near the back), giving it the longest pathway. It is the smallest ...