Computational biologist (IMAGE) Virginia Tech Caption Read Montague, a computational neuroscientist at the Center for Human Neuroscience Research at Virginia Tech's Fralin Biomedical Research Institute, said dopamine and serotonin are at work at sub-second speeds to shape how people perceive the world and take action based on their perception. Credit Virginia Tech 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.