Spectral Bat (IMAGE) University of Tennessee at Knoxville Caption A spectral bat, also called a false vampire bat. Credit Vladimir Dinets, research assistant professor of psychology at the University of Tennessee, Knoxville. 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.