The European Epilepsy Brain Bank (EEBB) is an electronic database collecting the spectrum of epileptogenic brain lesions and their clinical manifestation in patients with pharmaco-resistant focal epilepsies, when submitted to epilepsy surgery. Access will be permitted to members of the DESIRE consortium upon application and signed consent of the investigator agreement. Please forward your application to Dr. Ingmar Blumcke by email to bluemcke@uk-erlangen.de.