Michael Tomasello, Duke University and the Max Planck Institute for Evolutionary Anthropology Humans are biologically adapted for cultural life in ways that other primates are not. Humans have unique motivations and cognitive skills for sharing emotions, experience, and collaborative actions (shared intentionality). These motivations and skills first emerge in human ontogeny at around one year […]

Dorsa Amir, Boston College Department of Psychology The human behavioral repertoire is uniquely diverse, with an unmatched flexibility that has allowed our species to flourish in every ecology on the planet. Despite its importance, the roots of this behavioral diversity — and how it manifests across development and contexts — remain largely unexplored. I argue that […]

Paul Smaldino, Department of Cognitive and Information Sciences, University of California, Merced Identity signals are common components of communication transmissions that inform receivers of the signaler’s membership (or non-membership) in a subset of individuals. Signals can be overt, broadcast to all possible receivers, or covert, encrypted so that only similar receivers are likely to perceive […]