CNRS URA 2582, Institut Pasteur 1 article published in JoVE Behavior Recording Mouse Ultrasonic Vocalizations to Evaluate Social Communication Allain-Thibeault Ferhat1, Nicolas Torquet2, Anne-Marie Le Sourd1, Fabrice de Chaumont3, Jean-Christophe Olivo-Marin3, Philippe Faure2, Thomas Bourgeron1, Elodie Ey1 1Human Genetics and Cognitive Functions, University Paris Diderot, CNRS UMR 3571, Institut Pasteur, 2Neurophysiology and Behavior, University Pierre et Marie Curie Paris 6, CNRS UMR 7102, 3Bio Image Analysis, CNRS URA 2582, Institut Pasteur Mouse ultrasonic vocalizations are used as proxies to model the genetic bases of vocal communication deficits in mouse models for neuropsychiatric disorders. The present protocol describes three experimental contexts that reliably elicit ultrasonic vocalizations from pups (throughout development) and adult mice (same-sex interactions, male-estrus female interactions).