Prof. Christian Agrillo is Associate Professor at the Department of General Psychology, University of Padova. He completed his PhD in Psychobiology at the University of Padova in 2008 and received the National Scientific Habilitation from the Italian Ministry of Education, University and Research (M.I.U.R.) as a Full Professor in General Psychology, Psychobiology, and Psychometrics (11/E1). His research interests include numerical abilities in non-human animals (such as zebrafish, guppies, and mosquitofish), visual perception in non-human primates (including chimpanzees, rhesus monkeys, and capuchin monkeys), non-symbolic numerical estimation in adult humans, as well as numerical, spatial, and temporal discrimination, and the psychology of music, particularly performance anxiety in professional musicians.