The Interactive Brain from the Traumatic Brain Injury: The Journey Home guides you through the anatomy of the brain, how it works, and what different parts of the brain do.

Medically reviewed by Nicholas R. Metrus, MD The posterior communicating artery (PCOM) is a part of a group of arteries in ...

Which type of surgery is the best varies, depending on the individual patient and their unique version of moyamoya and vessel anatomy. There are two major types of surgeries to increase blood flow to ...

A brain aneurysm is an area of weakness in a brain blood vessel that over time can grow larger and thinner. Aneurysms are dangerous because they can grow and eventually rupture allowing blood to leak ...

In 1979, Francis Crick, the Nobel-prize-winning scientist, concluded that the anatomy and activity in just a cubic millimeter of brain matter would forever exceed our understanding. “It is no ...

Medically reviewed by Christopher Lee, MD The aorta is the largest blood vessel in the body, carrying oxygen-rich blood from the heart to every organ and tissue. It begins at the left ventricle, ...

Performing complex cognitive tasks leads to glutamate accumulating in a key region of the brain, a study finds, which could explain why mental labor is so exhausting. A research group argues that a ...