Although there is consensus about the importance of early communicative gestures such as pointing, there is an ongoing debate regarding how infants develop the ability to understand and produce pointing gestures. We review competing theories regarding this development and use observations from a diary study of infants' social development, focusing…

Game theory has been one of the most prominent theories in the social sciences, influencing diverse academic disciplines such as anthropology, biology, economics, and political science. In recent years, economists have employed game theory to investigate behaviors relating to fairness, reciprocity, and trust. Surprisingly, this research has not…

Although the need for social connection is critical for early social development as well as for psychological well-being throughout the lifespan, relatively little is known about the neural processes involved in maintaining social connections. The following review summarizes what is known regarding the neural correlates underlying feeling of…