Editorial: Motor Correlates of Motivated Social Interactions

Facial expressions and bodily movements form an integral part of social interactions. When two (or more) individuals form a temporary alliance, such as engaging in a conversation, their facial and bodily movements often display synchronized behavior, implying some sort of spatial and temporal alignment. It is now recognized that synchronization may be the cornerstone of successful social interactions, perhaps even more so than messages conveyed in overt speech acts.