William Hopkins

Division of Psychobiology, Yerkes Primate Research Center, Emory University

Parallels in the Ontogeny and Phylogeny of Non-Verbal Deixis in Humans and Chimpanzees

Stephen Nowicki

Departments of Biology, Psychology and Neurobiology, Duke University

Do Animals Lie?

Irene M. Pepperberg

Departments of Psychology, Harvard and Brandeis Universities

An Avian Model for Language Evolution

Brian Skyrms

Logic and Philosophy of Science, U.C. Irvine

Evolution of Signaling Systems with Multiple Senders and Receivers