A robust finding in imitation literature is that people perform their actions more readily if they are congruent with the behavior of another person. These action congruency effects are typically explained by the idea that the observation of someone else acting automatically activates our motor system in a directly matching way. In the present study action congruency effects were investigated b...

When acting jointly with others, adults can be as proficient as when acting individually. However, how young children coordinate their actions with another person and how their action coordination develops during early childhood is not well understood. By means of a sequential button-pressing game, which could be played jointly or individually, the action coordination of 2½- and 3-year-old chil...

Recent social-cognitive research suggests that the anticipation of co-actors' actions influences people's mental representations. However, the precise nature of such representations is still unclear. In this study we investigated verbal joint representations in a delayed Stroop paradigm, where each participant responded to one color after a short delay. Participants either performed the task as...

Human action recognition is an important yet challenging task. In this paper, a simple and efficient method based on random forests is proposed for human action recognition. First, we extract the 3D skeletal joint locations from depth images. The APJ3D computed from the action depth image sequences by employing the 3D joint position features and the 3D joint angle features, and then clustered i...

Abstract The sense of agency – the subjective feeling being in control our own actions is one central aspect phenomenology action. Computational models provided important contributions toward unveiling mechanisms underlying individual In particular, believed to be related match between actual and predicted consequences (comparator model). study joint action, are even more necessary understand d...

We examined the effects of individual versus joint action on a Simon task using motion tracking to explore the implicit cognitive dynamics underlying responses. In both individual and joint conditions, participants were slower to respond, and were differentially attracted to the distracter response location, when the spatial component of the stimulus was incompatible with the response location....

This paper presents an approach for action recognition performed by human using the joint angles from skeleton information. Unlike classical approaches that focus on the body silhouette, our approach uses body joint angles estimated directly from time-series skeleton sequences captured by depth sensor. In this context, 3D joint locations of skeletal data are initially processed. Furthermore, th...

Accounts of joint action are often prefaced by the observation that there are two different senses in which several agents can intentionally perform an action Φ. They might intentionally Φ together, as a collective, or they might intentionally Φ in parallel, where Φ is distributively assigned to the agents, considered as a set of individuals. The accounts are supposed to capture what characteri...