What are the EEG changes characteristic of atypical absence seizures?

Updated: Oct 01, 2020
  • Author: Raj D Sheth, MD; Chief Editor: Selim R Benbadis, MD  more...
  • Print


Absence should be differentiated from atypical absence seizures, which usually are seen in patients with Lennox-Gastaut syndrome. The EEG in atypical absence seizures shows a less abrupt onset and offset than in typical absence seizures. Furthermore, the EEG background is slow, and the duration of discharges is shorter.

For more information, see Absence Seizures.

Did this answer your question?
Additional feedback? (Optional)
Thank you for your feedback!