One distinctive feature of individuals with psychopathy is their reduced motivation and
capacity to develop authentic social relationships, which are founded on an enjoyment of …

Although the supplementary and pre-supplementary motor areas have been intensely
investigated in relation to their motor functions, they are also consistently reported in studies …

Emotional vocalizations are central to human social life. Recent studies have documented
that people recognize at least 13 emotions in brief vocalizations. This capacity emerges …

The size of human social networks significantly exceeds the network that can be maintained
by social grooming or touching in other primates. It has been proposed that endogenous …

An unresolved issue in comparative approaches to speech evolution is the apparent
absence of an intermediate vocal communication system between human speech and the …

Research implicates callous-unemotional (CU) traits (ie, lack of empathy, prosociality, and
guilt, and reduced sensitivity to others' emotions) in the development of severe and …

Emotions are often felt in the body, and interoceptive feedback is an important component of
conscious emotional experiences. Here, we provide support for the cultural universality of …

Highlights•The Reward process and the Emotion process are intertwined.•Evaluative
appraisal processes determine the reward value of an event.•Different rewarding stimuli …

This opinion piece aims to tackle the biological, psychological, neural and cultural
underpinnings of laughter from a naturalistic and evolutionary perspective. A naturalistic …

Introduction The accessibility of laughter and humour make them attractive choices for self-
care, and integrative medicine. There is a growing body of literature, but both fields are …