ImPACT Concussion Center Concussion Facts A concussion is a brain injury. It doesn’t take a major blow to the head to cause a concussion. All concussions are serious. Concussions can occur without loss of consciousness. Concussions can occur in any sport. Recognition and proper management of concussions when they first occur can help prevent further injury or even death. Signs of a Concussion A dazed or stunned appearance Confusion about the play Clumsy movements Slow responses to questions Personality or behavior changes Retrograde amnesia (forgetting events prior to the hit) Anterograde amnesia (forgetting events after the hit) Loss of consciousness (even temporary) When to Seek Immediate Medical Attention Headache that gets worse and does not go away Weakness, numbness or decreased coordination Repeated vomiting or nausea Slurred speech Patient looks very drowsy or cannot be awakened One pupil is larger than the other Patient has convulsions or seizures Inability to recognize people or places Loss of consciousness Increasing confusion, restlessness or agitation Athletes May Report Headache Nausea Balance problems Double vision Sensitivity to light Sensitivity to noise Difficulty sleeping Cognitive changes Feeling foggy Patient Forms ImPACT Concussion Testing ImPACT Concussion Resources Sports Concussion Management Fact Sheet for Parents Fact Sheet for Teachers