Drs. Mario Perello, Michael Lutter and Jeffery Zigman, UT Southwestern Medical Center (image) UT Southwestern Medical Center Share Print E-Mail Caption Research by (from left) Drs. Mario Perello, Michael Lutter, Jeffery Zigman and their colleagues at UT Southwestern Medical Center in Dallas suggests that there are situations in which our brains drive us to seek out and eat very rewarding foods, even if we're full. 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.