A Study to Evaluate the Pharmacodynamic Activity of E2082 in Adult Participants With Photosensitive Epilepsy

Exclusion criteria

• ✕. Females who are breastfeeding or pregnant at screening or baseline.
• ✕. Male participants who have not had a successful vasectomy, they and their female partners not of childbearing potential, or practicing highly effective contraception throughout the study period and for 28 days after study drug discontinuation. No sperm donation is allowed during the study period and for 28 days after study drug discontinuation.
• ✕. History of nonepileptic seizures (example, metabolic, structural, or pseudoseizures) while on any antiepileptic medication.
• ✕. History of status epilepticus while on any antiepileptic medication(s) within 2 years before screening.
• ✕. Ongoing or history of generalized tonic-clonic seizures (GTCS) within 6 months before screening.
• ✕. Participants who had developed a clinical seizure during previous PPR assessment, or who experiences a clinical seizure during the Screening IPS procedure.
• ✕. Frequent spontaneous background burst or current evidence of proconvulsive activity on EEG (example, increase in spike-wave activity) at screening.
• ✕. Inability to follow restriction on watching television, or use of any device(s) with an animated screen (example, computer, video games, tablets, or smart phone) from the time of arrival at the study center until study procedures are completed for that day.