The acquisition of social competence, such as showing prosocial behaviour (fulfilling others'
needs) and social initiative (fulfilling own needs), constitutes one major developmental task …

Play is one of the most difficult behaviors to quantify and for this reason, its study has had a
very rocky history. Social play is ephemeral, difficult to distinguish from the other so-called …

Whether and how shared intentionality (SI) influences the establishment of a novel
interpersonal communication system is poorly understood. To investigate this issue, we …

Opinion piece: ape gestures are made intentionally, inviting parallels with human language;
but how similar are their gestures to words? Here we ask this in three ways, considering …

Human joint action seems special, as it is grounded in joint commitment—a sense of mutual
obligation participants feel towards each other. Comparative research with humans and non …

Many social animals interact jointly, but only humans experience a specific sense of
obligation toward their co-participants, a joint commitment. However, joint commitment is not …

Human joint action is inherently cooperative, manifested in the collaborative efforts of
participants to minimize communicative trouble through interactive repair. Although …

Social play has been described in many animals. However, much of this social behaviour
among birds, particularly in adults, is still relatively unexplored in terms of the environmental …

Joint action, generally defined as working together towards a common purpose, has become
an important concept in many areas of cognitive science, from philosophical appraisal of its …

The aim of this contribution is to attempt to understand the adaptive functions of father-child
rough-and-tumble play (RTP) in humans. We first present a synthesis of the known …