Concussion is typically related to a mild blow to the head or whiplash/rotational injury.
Concussion symptoms may present within minutes to days following the initial injury, and duration of symptoms can vary. However, most concussion symptoms go away within a couple of days.
If concussion symptoms do not get better, or if they worsen, medical attention is advised.
Formal neuropsychological evaluation, and a referral to speech therapy, or occupational therapy may be needed if:
Concussion Bill Advances
Health Policy Solutions, March 2011
NFL Announces New Sideline Concussion Assessment Protocol
National Football League, February 2011
Preventing Youth Sports Concussions
Colorado Public Radio, December 2010
Parents, Coaches Worry About Concussion Risks
National Public Radio, November 2010
Playing Through Concussion "Part of the Game"
CNN, November 2010