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Acquired Brain Injury

Acquired Brain Injury (ABI) is damage to the brain caused after birth and can result from a traumatic or non-traumatic event. It is not related to a congenital or a degenerative disease and usually affects cognitive, emotional, behavioural or physical functioning. ABI is not to be confused with intellectual disability or with autistic spectrum disorders.
 

Signs and Symptoms

The effects of a brain injury are complex and vary dramatically from one person to another, as they depend on such factors as cause, location and severity.

Symptoms may include:
 

  • Memory loss, word finding difficulties, wandering (i.e. cognitive impairment)
  • Impaired reasoning skills
  • Personality change
  • Physical disabilities, impulse control and judgment
  • Speech problems
  • Loss of sense of smell
  • Headaches and/or seizures
  • Changes in emotional control including depression or mania
  • Psychosis

Causes / Physiology

Traumatic brain injury is the result of an external force, such as a fall, motor vehicle crash or assault.

Non-traumatic brain injury is damage to the brain as a result of metabolic disruption (such as hypoglycemia); hypoxia and anoxia (oxygen loss due to such events as cardiac arrest, near-drowning, strangulation, stroke); space-occupying lesion (such as an abscess, cyst, haematoma or tumour); toxins (such as carbon monoxide, lead, mercury, solvents); or illness (encephalitis or meningitis, for example).
 

Treatments

Damaged brain cells do not repair or replace themselves. Appropriate treatment and rehabilitation varies according to the needs of the individual.
 

Related Links

Brain Injury Association of Canada: braininjurycanada.ca
Ontario Brain Injury Association: www.obia.ca

 

 

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