SuperAger Brain (IMAGE) Northwestern University Caption This is a MRI scan of a SuperAger's brain. The portion between the yellow and red lines is the cortex, which contains neurons. SuperAgers' cortices shrunk over two times slower than average-age peers' in a recent Northwestern Medicine study, which may contribute to their superior memory performance. Credit Northwestern 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.