The condition is also documented in military personnel exposed to explosive blasts.
Daneshvar and his colleagues interviewed participants' family members, finding that 22 of the athletes suffered behavior or mood problems as their first symptoms of CTE, while 11 first had memory and thinking problems. Three participants showed no CTE symptoms at the time of death. Most of the athletes played amateur or professional football, with the rest participating in hockey, wrestling or boxing.
by scientists in 1928 and called "punch drunk syndrome."
For the current study, published online Aug. 21 in the journal Neurology, researchers examined the brains of 36 male athletes aged 17 to 98 Air Max 90 Womens 2015 who had been diagnosed with CTE after death. The research is said to be the largest of its kind on the disorder, first described Air Max 90 Hyperfuse Grey
Preliminary research such as this doesn't offer guidance for athletes or concrete ways to spot CTE earlier, Podell and Daneshvar agreed. But Podell offered one strategy: "Stay away from getting your head hit."
Scientists have not yet determined if CTE is linked to the number of concussions an individual suffers, whether from sports or other causes. Another contributor may be an accumulation of subconcussive blows an athlete suffers that don't result in clinical signs of concussion.
Damaged Athletes May Show Mood or Thinking Impairments First
Neuropsychologist Ken Podell, co director of the Houston Methodist Concussion Center, said the research "is clearly a first attempt, and they present it as such."
CTE has come to the forefront in recent years with a class action lawsuit Air Max 90 Release Dates
filed last year by nearly 4,000 former NFL football players who claim the league failed to protect players from traumatic brain injuries or warn them about the dangers of concussions. National Institutes of Health determined in January that former NFL star linebacker Junior Seau had CTE when he killed himself last year.
of control and physically and verbally violent than the group enduring memory and thinking deficits.
Daneshvar cautioned that the findings were limited since no comparison group of former athletes without CTE was part of the research. Also, families who were interviewed may have witnessed more severe symptoms, making them more likely to participate in the study, he said.
Those with behavior and mood problems experienced symptoms at a younger age, with the first signs appearing at an average age of 35, compared to age 59 for those with memory and thinking problems. Those experiencing mood symptoms were reported to be more explosive, depressed, out Air Max Womens 90
This means that a cookie will stay on your computer even when you exit or close your browser which may reduce your levels of privacy and security. You should never select this option if you're using a publicly accessible computer, or if you're sharing a computer with others. "So little is known about the clinical presentation of CTE that anything we found is not necessarily surprising, simply because there's a dearth of information about CTE."
"This whole concept of the clinical presentation of CTE is very much in its infancy, and we don't really know what it is," Podell said. "Understanding the limitations of this study are very critical, making sure that someone doesn't take this information and generalize it to the general population or someone with a single head injury."
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