EEG

Concussions, and even lesser subconcussive head trauma, may speed up the brain's natural aging process says a new study which found changes in gait, balance, and in the brain's electrical activity in areas measuring attention and impulse control in otherwise healthy college students with a history of concussion.

A series of video segments featuring Dorothy Bedford talking about her teenage daughter Heidi's 14-month long struggle to overcome post-concussion syndrome after suffering a serious concussion playing hockey at boarding school.