Recent research on empathy in humans and other mammals seeks to dissociate emotional
and cognitive empathy. These forms, however, remain interconnected in evolution, across …

Evidence suggests that there are differences in the capacity for empathy between males and
females. However, how deep do these differences go? Stereotypically, females are …

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 …

Abstract Theory of mind (ToM; aka, mind‐reading, mentalizing, mental‐state attribution, and
perspective‐taking) is the ability to ascribe mental states, such as desires and beliefs, to …

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 …

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 …

In mammals, helping is preferentially provided to members of one's own group. Yet, it
remains unclear how social experience shapes pro-social motivation. We found that rats …

The view of humans as violent war-prone apes is poorly supported by archaeological
evidence and only partly supported by the behavior of our closest primate relatives …

Modern humans live in an “exploded” network with unusually large circles of trust that form
due to prosociality toward unfamiliar people (ie xenophilia). In a set of experiments we …