Neuroscience Institute

Traumatic Brain Injury

 

Traumatic brain injury (TBI) happens when a bump, blow, jolt or other head injury causes damage to the brain. Symptoms of a TBI may not appear until days or weeks following the injury. A concussion is the mildest type. It can cause a headache or neck pain, nausea, ringing in the ears, dizziness and tiredness. People with a moderate or severe TBI may have those, plus other symptoms:
  • A headache that gets worse or does not go away
  • Repeated vomiting or nausea
  • Convulsions or seizures
  • Inability to awaken from sleep
  • Slurred speech
  • Weakness or numbness in the arms and legs
  • Dilated eye pupils

Learn more about Traumatic Brain Injury in our Health Library.

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