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concussion |
Also found in: Dictionary/thesaurus, Medical, Legal, Wikipedia, Hutchinson | 0.06 sec. |
concussionPeriod of nervous-function impairment that results from relatively mild brain injury, often with no bleeding in the cerebral cortex. It causes brief unconsciousness, followed by mental confusion and physical difficulties. These effects usually clear up within hours, but in some cases disturbance of consciousness continues, and there may be residual symptoms. Some level of amnesia often accompanies concussion. Recovery from concussion is almost always complete unless more serious injury, such as skull fracture, accompanies it. concussion a jarring of the brain, caused by a blow or a fall, usually resulting in loss of consciousness |
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Having been severely tortured by security officers, Huitian is now suffering a brain concussion. Young football players who receive blows to the head while on the gridiron can develop potentially deadly brain concussions even if they do not lose consciousness immediately after the injury, cautions a group of Colorado physicians. The impact site for a large number of brain concussions in sports is the lower jaw or chin. |
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