Dr. Ann McKee, director of Boston University's CTE Center, stressed she could not "connect the dots" between the brain disease chronic traumatic encephalopathy and the behavior of the 27-year-old who hanged himself in April while serving life in prison for murder.
But McKee said CTE had significantly affected key parts of Hernandez's brain, including the hippocampus — which is associated with memory — and the frontal lobe, which is involved in impulse control, judgment and behavior.
A video review of 459 reported concussions sustained during the last two
Yet quarterbacks ranked at the bottom of the list, ahead of only kickers, having suffered 5% of those concussions.
Positions in which multiple players are in action at the same time, cornerback and wide receiver, led the list of frequency at 22% and 15%, respectively.