Bradley Lega, UT Southwestern Medical Center (image) UT Southwestern Medical Center Share Print E-Mail Caption Neurosurgeon Dr. Bradley Lega uses a robotic surgical assistant to place electrodes into the brains of epilepsy patients. The tool helps scientists map the brain waves of these patients to understand what patterns are critical for forming memories. Credit UT Southwestern 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.