Mechanisms behind Aversion and Reward (IMAGE) Linköping University Caption David Engblom's research group at Linköping University investigates the mechanisms in the brain underpinning the negative affective states associated with different diseases. Credit Thor Balkhed/Linköping University Usage Restrictions Please use proper caption and credit. 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.