Concussion

Brain injury - concussion; Traumatic brain injury - concussion; Closed head injury - concussion

A concussion may occur when the head hits an object, or a moving object strikes the head. A concussion is a minor or less severe type of brain injury, which may also be called a traumatic brain injury.

A concussion can affect how the brain works for a awhile. It may lead to headaches, changes in alertness, or loss of consciousness.

Brain

The major areas of the brain have one or more specific functions.

Concussion

A concussion may result when the head strikes against an object or is struck by an object. Concussions may produce unconsciousness or bleeding in or around the brain.

Causes

Symptoms

Exams and Tests

Treatment

Outlook (Prognosis)

When to Contact a Medical Professional

Prevention