It is commonly assumed that a person's emotional state can be readily inferred from his or
her facial movements, typically called emotional expressions or facial expressions. This …

Based on modern theories of signal evolution and animal communication, the behavioral
ecology view of facial displays (BECV) reconceives our 'facial expressions of emotion'as …

Emotions are one of the most apparent and important aspects of our lives, yet have
remained one of the most enigmatic to explain scienti cally. On the one hand, nothing seems …

The human smile is highly variable in both its form and the social contexts in which it is
displayed. A social-functional account identifies three distinct smile expressions defined in …

We propose a novel theoretical and empirical approach to studying group-level social
functions of emotions and use it to make new predictions about social consequences of …

Converging evidence suggests that high rank is communicated through various nonverbal
behaviors (eg, expansiveness), but prior studies have not examined whether 2 distinct forms …

Robotic applications have entered various aspects of our lives, such as health care and
educational services. In such Human-robot Interaction (HRI), trust and mutual adaption are …

Facial mimicry has long been considered a main mechanism underlying emotional
contagion (ie the transfer of emotions between people). A closer look at the empirical …

Real-world studies show that the facial expressions produced during pain and orgasm—two
different and intense affective experiences—are virtually indistinguishable. However, this …

Communicating emotional intensity plays a vital ecological role because it provides valuable
information about the nature and likelihood of the sender's behavior. 1, 2, 3 For example …