From an evolutionary perspective, morality is a form of cooperation. Cooperation requires
individuals either to suppress their own self-interest or to equate it with that of others. We …

In the field of social neuroscience, major branches of research have been instrumental in
describing independent components of typical and aberrant social information processing …

Winner of the William James Book Award “Magisterial... Makes an impressive argument that
most distinctly human traits are established early in childhood and that the general …

Michael Tomasello offers the most detailed account to date of the evolution of human moral
psychology. Based on experimental data comparing great apes and human children, he …

Modern theories of the evolution of human cooperation focus mainly on altruism. In contrast,
we propose that humans' species-unique forms of cooperation—as well as their species …

The ability to recognize other individuals' mental states—their knowledge and beliefs, for
example—is a fundamental part of human cognition and may be unique to our species …

Virtually all theories of the evolution of cooperation require that cooperators find ways to
interact with one another selectively, to the exclusion of cheaters. This means that …

The Handbook of Moral Development is the definitive source of theory and research on the
development of morality. Since the publication of the first edition, ground-breaking …

Helping behavior is a prosocial behavior whereby an individual helps another irrespective of
disadvantages to him or herself. In the present study, we examined whether rats would help …

Since the BBS article in which Premack and Woodruff (1978) asked “Does the chimpanzee
have a theory of mind?,” it has been repeatedly claimed that there is observational and …