Investigating Epilepsy: Screening and Evaluation

Study Description:\<TAB\> This protocol is designed to serve as a screening protocol that provides standard evaluation and treatment for patients with epilepsy. Clinical data collected through this protocol will be used in other NIH epilepsy-related research to screen for eligibility in the respective protocols and may also be used for descriptive and/or correlative research through this protocol. Objectives: Primary Objective: Maintain a cohort of patients who are referred to the NIH with a known or suspected diagnosis of epilepsy that can be accessed by other NIH studies to screen for eligibility to participate in ongoing epilepsy-related protocols. Secondary Objectives: * to follow the natural history of subjects with epilepsy and epilepsy and related disorders, and * to allow for descriptive and/or correlational studies based on the data collected through clinical care of these patients.