Whither whorf / Dedre Gentner and Susan Goldin-Meadow -- Languages and representations / Eve V. Clark -- Language and mind : let's get the issues straight! / Stephen G. Levinson -- The key is social cognition / Michael Tomasello -- Sex, syntax, and semantics / Lera Boroditsky, Lauren A. Schmidt, and Webb Phillips -- Speaking versus thinking about objects and actions / Barbara C. Malt, Steven A. Sloman, and Silvia P. Gennari -- The effects of spatial language on spatial representation : setting some boundaries / Edward Munnich and Barbara Landau -- Language and thought online : cognitive consequences of linguistic relativity / Dan I. Slobin -- Why we're so smart / Dedre Gentner -- Does language help animals think? / Stan A. Kuczaj II and Jennifer L. Hendry -- What makes us smart? Core knowledge and natural language / Elizabeth S. Spelke -- Conceptual and linguistic factors in inductive projection : how do young children recognize commonalities between animals and plants? / Kayoko Inagaki and Giyoo Hatano -- Language for thought : coming to understand false beliefs / Jill G. de Villiers and Peter A. de Villiers -- Space under construction : language-specific spatial categorization in first language acquisition / Melissa Bowerman and Soonja Choi -- Reevaluating linguistic relativity : language-specific categories and the role of universal ontological knowledge in the construal of individuation / Mutsumi Imai and Reiko Mazuka -- Interaction of language type and referent type in the development of nonverbal classification preferences / John A. Lucy and Suzanne Gaskins -- Thought before language : do we think ergative? / Susan Goldin-Meadow