Scholars from across the social sciences, biological sciences, and humanities have long
emphasized the role of human morality in supporting cooperation. How does morality arise …

A common view of learning in infancy emphasizes the role of incidental sensory experiences
from which increasingly abstract statistical regularities are extracted. In this view, infant …

To successfully navigate their social world, humans need to understand and map enduring
relationships between people: Humans need a concept of social affiliation. Here I propose …

Across human societies, people form “thick” relationships characterized by strong
attachments, obligations, and mutual responsiveness. People in thick relationships share …

Moral reasoning plays a central role in psychological functioning throughout the life span.
From Aristotle, to Darwin, to Durkheim, and to Freud, theorists have viewed morality as …

Cognitive gadgets are distinctively human cognitive mechanisms–such as imitation, mind
reading, and language–that have been shaped by cultural rather than genetic evolution …

Infants are born into networks of individuals who are socially connected. How do infants
begin learning which individuals are their own potential social partners? Using digitally …

Hamlin et al. found in 2007 that preverbal infants displayed a preference for helpers over
hinderers. The robustness of this finding and the conditions under which infant sociomoral …

Social hierarchies occur across human societies, so all humans must navigate them. Infants
can detect when one individual outranks another,–, but it is unknown whether they approach …

Infancy researchers often use highly simplified, animated, or otherwise artificial stimuli to
study infant's understanding of abstract concepts including “causality” or even “prosociality” …