Two
of the Purdue studies [36,37] suggested that it might be possible to reduce risk
of brain
trauma by gradually increasing the amount
of contact in the football pre-season to allow time for players» brains to adjust, and one, by finding that players who sustained more than 50 hits per game, were much more likely than those who sustained fewer hits to be «flagged» by ImPACT and / or fMRI
results as having neurocognitive deficits or
altered brain activity, suggested that players be limited to a certain number
of plays per game (a hard rule to implement, given the prevalence
of two - way players in the high school game).