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, ...

Various nerves control bladder and bowel function, including the spinal cord, cauda equina, pudendal nerves, and the enteric nervous system, a nerve network in the walls of the digestive tract. These ...

Theresa Larkin does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

New technology is changing the way we think about the human brain. Miles o'Brien gives us a personal look at how rewiring the mind with the aid of machines is transforming the lives of those with ...