Brain Wave: Using Sound To Diagnose Concussion
Mohammad Ali (@ChaudhryMAli88) Published December 22, 2016 | 08:35 PM
PARIS, , (APP - UrduPoint / Pakistan Point News - 22nd Dec, 2016 ) - From blows to the head on the sports field, to car crashes and playground falls, concussion is a common brain injury notoriously difficult to diagnose -- until now, researchers said Thursday.
A US-based team unveiled a fast, portable and reliable test measuring differences in brain activity in response to sound. "Our measure... can take the guesswork out of concussion diagnosis," study co-author Nina Kraus of Northwestern University in the United States, told AFP.
"We have found that concussions disrupt how the brain processes sound and this disruption, which can be non-invasively measured, can potentially diagnose and manage concussions." Concussion occurs when a hard blow causes the brain -- a soft organ cushioned by a layer of fluid inside our protective skull -- to jolt violently.
In severe cases it can lead to bruising, as well as injury to the nerves and blood vessels. A concussion can be mild to severe, with symptoms ranging from loss of consciousness or amnesia to headache and confusion.
Severe cases may require surgery to relieve brain swelling or a buildup of blood in the skull. For diagnosis, doctors need to know what happened to the patient, and consider a vast basket of symptoms -- some of them obvious, others not.
X-rays and other scans often fail to pinpoint the damage, and telltale signs such as disorientation, slurred speech or memory loss may be absent or hard to spot.
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