Lead investigator (IMAGE) University of Massachusetts Amherst Caption Neuroscientist Paul Katz is a professor of biology and director of the UMass Initiative on Neurosciences. Credit UMass Amherst Usage Restrictions None License Original 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.