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A concussion, also known as a mild traumatic brain injury (mTBI), is a head injury that temporarily affects brain functioning. [8] Symptoms may include headache, dizziness, difficulty with thinking and concentration, sleep disturbances, mood changes, a brief period of memory loss, brief loss of consciousness; problems with balance; nausea; blurred vision; and mood changes.
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While impact on the brain at the same site of injury to the skull is the coup effect. If the impact causes the head to move, the injury may be worsened, because the brain may ricochet inside the skull causing additional impacts, or the brain may stay relatively still (due to inertia) but be hit by the moving skull (both are contrecoup injuries).
[12] [13] All traumatic brain injuries are head injuries, but the latter term may also refer to injury to other parts of the head; [14] [15] [16] however, the terms head injury and brain injury are often used interchangeably. [17] Similarly, brain injuries fall under the classification of central nervous system injuries [18] and neurotrauma. [19]
The first phase, the prodrome phase, can begin as early as 24 to 48 hours before the pain hits, Broner says. For some, however, it's just 30 minutes to 5 minutes, she adds.
Closed-head injuries are caused primarily by vehicular accidents, falls, acts of violence, and sports injuries. [4] Falls account for 35.2% of brain injuries in the United States, with rates highest for children ages 0–4 years and adults ages 75 years and older. [3] Head injuries are more common in men than women across every age group. [3]
Injured means — you mean because they had a headache? Because the bombs never hit the fort,” the former president replied. ... For the latest news, weather, sports, and streaming video, head ...
Headaches that occur after a concussion may feel like migraine headaches or tension-type headaches. Most headaches are tension-type headaches, which may be associated with a neck injury that occurred at the same time of the head injury. [17] [needs update]
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