what causes a bruise on the brain
Simply explained, a brain contusion is a bruise of the brain tissue. Just like bruises that occur on other parts of the body, a brain contusion is caused by small blood vessel leaks. Because they involve structural brain damage, contusions are more serious than concussions.
Causes of Brain Contusions. Brain contusions are most often caused by an impact to the head, such as those sustained in a car accident, a fall, or a sports-related accident. In some cases the brain is injured right below the site of impact, while in other cases the injury occurs on the opposite side of the impact.