“They often begin subtly,” Dr. Lin says. “Headaches. Dizziness. Sometimes intense emotional experiences. Often, when a focal aware seizure occurs, the electrical impulses of the brain will create experiences that seem indistinguishable from reality. Patients with TLE describe familiarity with the unfamiliar, or complex experiences that have only taken place within their mind, during a seizure. And sometimes,” she continues, “patients experience more complex hallucinations, such as fully-formed memories of events that never happened.”