brandy opens up to cbs correspondent ben tracey about her decision to donate her brain to science. >>us women's soccer team won the world cup, in 1999, this became the defining image. a victorious 30 year old brandy ripping off her jersey, after scoring the winning goal. >> i would really like to leave something beyond that. >> now, 47, brandy has a new goal. she plans to donate her brain to science. >> how much head trauma do you think you suffered in your career? >> i know two specific incidents, when i was in college, that would today definitely be considered a concussion. with a we used to call had my bell running, or i seen stars, and i've had to shake it off. >> her brain will eventually be examined by researchers checking for cte, chronic traumatic encephalopathy, degenerative brain disease believe to be caused by repeated blows to the head. boston university researchers have examined 307 brains of mostly male athletes. just seven were from women. >> nfl players have dominated the discussion overhead injuries. founder of the concussion legacy foundation, which will eventually s