The Two Types of Acquired Brain Injury

The Two Types of Acquired Brain Injury

There are two types of acquired brain injury: traumatic and non-traumatic.

ABI is an acronym for Acquired Brain Injury which is an injury to the brain that is not hereditary or induced by birth trauma. In short, this this type of brain injury is one that has occurred after birth. The injury results in a change to the brain's neuronal activity, which can affect the physical integrity, metabolic activity, or functional ability of nerve cells in the brain.

There are two types of acquired brain injury: traumatic and non-traumatic.

A traumatic brain injury (TBI) is defined as an alteration in brain function, or other evidence of brain pathology, caused by an external force. Traumatic impact injuries can be defined as closed (or non-penetrating) or open (penetrating).

A non-traumatic brain injury is an alteration in brain function or pathology caused by an internal force.

Traumatic Causes of Brain Injuries

  • Falls
  • Assaults
  • Motor Vehicle Accidents
  • Sports/Recreation Injuries
  • Abusive Head Trauma (Shaken Baby Syndrome)
  • Gunshot Wounds
  • Workplace Injuries
  • Child Abuse
  • Domestic Violence
  • Military Actions (Blast Injury)


Non-Traumatic Causes of Brain Injuries

  • Stroke (Hemorrhage, Blood Clot)
  • Infectious Disease (Meningitis, Encephalitis)
  • Seizure
  • Electric Shock
  • Tumors
  • Toxic Exposure
  • Metabolic Disorders
  • Neurotoxic Poisoning (Carbon Monoxide, Lead Exposure)
  • Lack of Oxygen (Drowning, Choking, Hypoxic/Anoxic Injury)
  • Drug Overdose
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