Players identified as had Fifa Coins a significantly higher frequency of cortical atrophy. Only players had a history of head injuries with unconsciousness or amnesia, and they had no greater frequency of atrophy than those without a history of head injury. These findings of atrophy may or may not be associated with either reversible steroid therapy or starvation or irreversible brain injury or aging decline in intellectual function. Impairment was severe to gross in 1 player, severe in players moderate. mild in 12, and none in compared with controls. Impairment was unrelated to subject age. Forty percent of the controls demonstrated mild impairment. The scores for nearly one third of the soccer players were low enough

Norwegian studies brought attention to the problem and encouraged others to work in this area. Haglund and Eriksson21 compared amateur boxers with active or former professional soccer players years of age and track athletes. After clinical studies medical and neurologic studies personality trait assessment magnetic resonance imaging, and neurophysiologic and neuropsychological examinations, they failed to demonstrate any signs of chronic brain damage in soccer players who were known to be frequent headers. On one neuropsychological test finger tapping, performance by the soccer players was lower than other athletes but these results were still within normal limits

Cup team with Fifa 17 Coins track athletes and focused on symptoms of previous head injury and. Players were categorized as low- or high-frequency headers (player's opinion), and the authors attempted to form a heading exposure index based on years of experience and level and location of competition. The 53 active professional soccer players were compared with a similar control group. The professional players scored lower on memory tests, planning, and visuoperceptual processing. Deficits in both studies were correlated with the head injury history. Matser et al25 stated that  concussions