A Senior's Ventromedial Prefrontal Cortex (IMAGE) Duke University Caption Unlike adults in their 20s and 30s, senior citizens use a structure called the ventromedial prefrontal cortex for shopping decisions that rely on memory. Credit Nichole Lighthall, Duke University Usage Restrictions None License Licensed content 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.