Epilepsy Seizure Origins (image) Rutgers University Share Print E-Mail Caption In people with epilepsy, partial seizures are also known as focal seizures. While focal seizures start in one part of the brain, generalized seizures start in both sides of the brain. Credit National Institutes of Health Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.