PET scans and MRI scans

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PET Scans- used to look at FUNCTION

  • produces a computer generated picture of the brain
  • a tracer is injected into the body which emits radioactivity
  • this shows which area of the brain in functioning
  • it measures blood flow and oxygen use
  • the more active the brain for a task the more radioactivity will be picked up by the scan
  • the different colours are interpreted by the specialist
  • Red/Orange shows high activity
  • Blue/Green shows low activity
  • it shows which


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