Seizures Russell Weller Mar 13, 2023 Episodes of abnormal electrical activity in the brain. Related Articles: Team Lissy Loo Creates Colorful FundraiserGlossary: Alpers DiseaseWhat are the Symptoms of Mitochondrial Disease?9-Year-Old Mito Warrior on a MissionGlossary: Angelman SyndromeAlternative Meanings: SeizuresEpisodes of abnormal electrical activity in the brain.