Magnetoencephalography (MEG) before epilepsy surgery

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Read how a MEG scan helps identify where seizures start in the brain.

Key points

  • A MEG scan measures magnetic signals in your child's brain to pinpoint where your child's seizures start.
  • Your child must be sleepy for the scan to make sure it gathers the best results.
  • During the scan, your child may have up to three tests, depending on whether seizures start in the part of their brain that controls sensation, sight or hearing.
  • You may discuss the results of the MEG with your child's doctor about four to six weeks after the scan.
Last updated: October 10th 2017