Electroencephalography (EEG) is the neurophysiologic measurement of the electrical activity of the brain by recording from electrodes placed on the scalp.

In preparation for your test, please read the instructions below:

  • No caffeine or alcohol 24 hours before the time of your exam.
  • Have clean hair free of hair spray or hair gel.
  • Do not have any more than 4 to 5 hours of sleep the night before your exam as you need to be sleep deprived.