This Epilepsy For Dummies Cheat Sheet includes information about neuropsychological (neuropsych) tests, genetic testing for identifying the cause of epilepsy, the ketogenic diet as a treatment for epilepsy (when appropriate), and seizure safety devices to wear, or to use either at home or when out and about. Why neuropsychological tests matter for people who have epilepsy A neuropsychological test (or "neuropsych") looks at how the brain works in areas such as memory, attention, language, problem-solving, coordination, and emotions.