Sporadic sustained nonperiodic oscillations in the activities of organismic sets.
D001921:Brain / Q000503:physiopathology; D002490:Central Nervous System / Q000502:physiology; D004827:Epilepsy / Q000209:etiology*; D008433:Mathematics; D008954:Models, Biological; D009474:Neurons / Q000503:physiopathology; D010507:Periodicity