Bulkley Valley Brain Injury Association

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Brain injury and concussion

Brain injury and concussion photo

Brain injuries and concussion are invisible, physical injuries. Acquired brain injury is grouped into traumatic brain injury (TBI) / concussion, and non-traumatic brain injury. 

Traumatic brain injury (TBI) is caused by an external event (assault/abuse, fall, motor vehicle accident, or any event where a force to the head OR body was experienced). Concussion is a type of TBI.

Non-traumatic brain injury is caused by an internal event (e.g. stroke, aneurysm, poisoning, anoxia, brain tumour, infection).

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This categorization can be misleading, because many would equate an injury labelled "traumatic" as serious, as one labelled as "non-traumatic" as minor. This is not necessarily so. The labelling comes from the root meaning of the word trauma (rub, turn, twist, pierce) and is not an indicator of the severity of the injury.

Traumatic brain injury and concussion photo

Traumatic brain injury and concussion

An external event caused the injury.

Non traumatic brain injury photo

Non traumatic brain injury

An internal event caused the injury.

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