Fuzzy thinking
■ Can’t follow the plays
■ Seems confused
■ Suddenly forgetful
■ Runs the wrong way
Bizarre behavior
■ Talks nonsense
■ Blank stare
■ Laughs or cries at wrong time
■ Yells in rage at coach or peers
■ Wants to fight for no good reason
Physical decline
■ Begins to lose coordination
■ Sudden or unusual fatigue
■ Nausea and vomiting
■ Chills and goose bumps
■ Overbreathing, tingly fingers
■ Wobbles or staggers, collapses
■ Seizure or coma