>>> it has been a year since the university of texas at arlington studied the effectsec of concussions on athletes. research results were taken before and after athletes suffered concussions. >> if there is an affect of an athlete, how does this change their academic achievement? >> of the studentshe tested, 60 reported one concussion and that is double what researchers expected. rearch fdings will be announced at the 2012 summit in march. >>>