Epilepsy seizure cycles are common

They may be useful for timing treatment

Epilepsy seizure cycles are more varied than previously thought, often occurring in daily, weekly, and multi-weekly rhythms, depending on the patient, researchers say.

"We have shown that there are very individual patterns of seizure occurrence," Dr Mark Cook of the University of Melbourne said by email.

Dr Cook and colleagues retrospectively studied two groups of patients: one cohort of 12 participants with intractable epilepsy in the NeuroVista study, which captured EEG recordings from an implanted intracranial device; and a group of more than 1100 people with diverse