Below are some of the types of head injuries:
A concussion is probably one of the mild types of head injuries, although they can still have plenty of negative side effects. Usually, a person can get a concussion from violent shaking, a sudden blow to the head, or an abrupt, snapping movement (whiplash). Concussions may cause a person to lose consciousness, or feel dazed and disoriented. The effects of a concussion can last for a few minutes or hours after the traumatic event.
Contusion (Intracerebral hematoma)
Contusions result from head trauma that has caused bleeding or swelling of the brain tissue.
A coup-contrecoup injury happens when the blow or trauma to the head is so great that it causes bruising on the brain where it was directly hit and on the other side. This happens when the brain slams onto the other side of the skull.