Contributions by: Aurore Avarguès-Weber, Martin Giurfa, Joshua Plotnik, Nicola S. Clayton, Robert Seyfarth, Dorothy L. Cheney, Brad Mahon, Stephen Laurence, Eric Margolis, H. Clark Barrett, Pascal Boyer, Jerry A. Fodor, Daniel Weiskopf, Vyv Evans, Barbara Malt, Silvia Gennari, Mutsumi Imai, Eef Ameel, Noburo Saji, Asifa Majid, Anna Papafragou, Douglas L. Medin, bethany ojalehto, Sandra R. Waxman, Megan Bang, Anna Wierzbicka, Susan Carey, Nancy J. Neressian, Kiley Hamlin, Charles Kalish, Daniel Casasanto, Gary Lupyan, Edouard Machery, Elisabeth Camp, Noah D. Goodman, Joshua Tenenbaum, Tobias Gerstenberg, James Hampton, Frank C. Keil, Jonathan Kominksy