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Types and Causes of Brain Injury

A traumatic brain injury (TBI) is defined as a blow or jolt to the head or a penetrating head injury that disrupts the function of the brain. A TBI can result in short or long-term problems with independent function 

Acquired brain injury (ABI) is defined as damage to the brain that occurs after birth and is not related to a congenital disorder or a degenerative disease. Damage may be caused by a traumatic injury to the head or by a non-traumatic cause such as a tumor, aneurysm, anoxia, infection, drugs or alcohol. 

A diffuse brain injury is damage to the brain that can affect many parts of the brain, often in a subtle fashion; examples include diffuse axonal injury and inadequate blood flow

 An anoxic brain injury is when a brain does not receive adequate oxygen, usually resulting from a serious accident where heavy bleeding occurs 

Symptoms  Any brain function can be disrupted by brain trauma: excessive sleepiness, inattention, difficulty concentrating, impaired memory, faulty judgment, depression, irritability, emotional outbursts, disturbed sleep, diminished libido, difficulty switching between two tasks, and slowed thinking.

For more information see the following

BIAA

Brain Injury Library

braininjury.com

National Institute on Deafness and orther communication disorders

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