Brain Concussion
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Brain Concussion
General Information
NEWS:
Concussion? Your brain needs longer time-out: Study: Young athletes return to activity too soon after common injury “Concussions are brain injuries and among the most difficult of sports injuries, starting with even identifying who's had one. Many athletes never lose consciousness, the most obvious symptom. Brain scans can't diagnose a concussion. Nor are other symptoms always apparent right away, and players can sometimes hide or minimize them: "Nope, no headaches, coach; put me back in." Doing so has grave risks. A second concussion before recovering from the first can cause brain swelling that can trigger permanent damage, even death. And there's mounting concern from studies of retired professional athletes that those who suffered multiple concussions over the years may be at increased risk for depression, memory problems and other neurological problems later in life.”
Force of hit won't predict concussion severity “"People see massive hits and think, 'that's the one!' and ignore more trivial blows," the researcher added. "Now we know that these trivial hits may be just as serious as the harder ones." “
Knockout head injuries found to cause loss of brain tissue “A blow to the head that knocks a person unconscious can result in widespread loss of brain tissue, Canadian researchers said on Monday, explaining why some people who suffer head injuries are never quite the same. The more severe the injury, the more brain tissue is lost, they said. "There is more damage and it is more widespread than we had expected," said Dr. Brian Levine of the Rotman Research Institute and the University of Toronto, whose study appears in the journal Neurology. Levine studied brain scans taken from 69 traumatic brain injury patients whose head injuries ranged from mild to moderate or severe. The researchers used high-resolution magnetic resonance imaging or MRI to study changes in brain volume a year after the injury. “
Men And Women With History Of Concussion Mend Differently, Study Finds
Post-concussion depression more than emotional “Traditional structural imaging examinations, such as magnetic resonance imaging, were normal in all subjects. However a more in-depth analysis of gray matter density, showed some athletes with reduced gray matter in regions of the brain associated with memory, mood, emotional processing, and motivation and desire. And the reductions in gray matter density were proportional to the severity of the athletes' depression, Ptito reported. “
War Veterans’ Concussions Are Often Overlooked “The bomb blasts, which throw off energy waves — atmospheric overpressures and underpressures — that are absorbed by the body, add a little-studied dimension to the trauma. Scientists are only now beginning to study the extent of the damage. That soldiers are sometimes exposed to multiple blasts during a deployment, or can suffer from a vast combination of wounds, including shrapnel, burns, blows to the head, blast waves, lost limbs or internal injuries, can exacerbate brain trauma in ways unseen among civilians. “It is the black box of injuries,” said Dr. Alisa D. Gean, the chief of neuroradiology at San Francisco General Hospital and a traumatic brain injury expert who spent time treating soldiers at Landstuhl Regional Medical Center in Germany. “We’re at the tip of the iceberg of understanding it. It is one of the most complicated injuries to one of the most complicated parts of the body.”“
Worry About All Blows To The Head “Recent research has demonstrated that athletes who have what are commonly considered mild concussions, or "dings," may no longer experience headaches or other symptoms of concussions but still show significant deficits in processing information. This can last up to seven days postconcussion.”
ARTICLES:
JOURNAL ARTICLES:
Balance control during gait in athletes and non-athletes following concussion. (Med Eng Phys. 2008) “Athletes, whether concussed or not, walked slower and swayed more and faster than non-athletes. Athletes consistently demonstrated gait imbalance even in the absence of concussion. The findings of this study support the supposition that participation in high-impact sports has a measurable and possibly detrimental effect on balance control in the absence of a medically diagnosed concussion.”
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