Virtual Reality Underground Ride (2 of 2) (IMAGE) Wellcome Trust Caption Computer people (avatars) on a simulated underground train. The virtual reality simulation was used to measure levels of paranoid thoughts. Credit Department of Computer Sciences, University College London Usage Restrictions Images may only be reproduced with permission from the Wellcome Trust Media Office. 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.