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Coup contrecoup injury. Coup injury may be caused when, during an impact, the brain undergoes linear acceleration and deceleration forces or rotational forces, causing it to collide with the opposite side of the skull. [7] The injuries can also be caused solely by acceleration or deceleration in the absence of an impact. [7]
A coup injury occurs under the site of impact with an object, and a contrecoup injury occurs on the side opposite the area that was hit. Brain injuries can result from a number of conditions, including: [22] Trauma; multiple traumatic injuries can lead to chronic traumatic encephalopathy.
A traumatic brain injury (TBI), also known as an intracranial injury, ... Ricochet of the brain within the skull may account for the coup-contrecoup phenomenon. [67]
In coup injuries, the brain is injured directly under the area of impact, while in contrecoup injuries it is injured on the side opposite the impact. Contusions occur primarily in the cortical tissue, especially under the site of impact or in areas of the brain located near sharp ridges on the inside of the skull.
It wasn't always easy for McKeel's Ben Lietz, who suffered a brain injury following a wrestling match two years ago, but he's back
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).
For help with moral injury or other mental health issues. The Defense Centers of Excellence for Psychological Health and Traumatic Brain Injury’s 24/7 live chat outreach center (also at 866-966-1020 or email resources@dcoeoutreach.org). The Pentagon website Military OneSource for short-term, non-medical counseling.
Whiplash associated disorders sometimes include injury to the cerebrum. In a severe cervical acceleration–deceleration syndrome, a brain injury known as a coup contrecoup injury occurs. A coup contrecoup injury occurs as the brain is accelerated into the cranium as the head and neck hyperextend, and is then accelerated into the other side as ...