Participants will be screened through:
- Physical exam
- Medical history
Participants will have multiple visits. They may be admitted to the hospital for several weeks. Their medication might be stopped or changed.Participants will conduct various tests including:
- Blood and urine tests
- EEG & MEG to record brain waves.
- Thinking and memory tests
- MRI & PET scan
- Epilepsy surgery
Participants will stay enrolled in this study if they join other epilepsy-related studies. They may be contacted at intervals for follow-up. Their participation will end if they have not been seen clinically for their epilepsy for 3 years.