An international conference on violence, with the participation of a multidisciplinary group of scholars from five continents, was held in Rome between 22nd and 25th September 2011 (XXXIII CICA conference). It was organized by Dr. Camilla Pagani (Institute of Cognitive Sciences and Technologies, National Research Council – ISTC, CNR) and by Prof. Martin Ramirez (Universidad Complutense Madrid). The sessions took place at the CNR headquarters and at the ISTC.