149 research outputs found
The Thief in the Mirror
The few animals capable of recognizing themselves in a mirror have advanced social cognition related to adopting the perspective of someone else
With a Little Help from a Friend
In humans, the most commonly assumed motivation behind altruism is empathy. Might this also apply to other animals or are they indifferent to each other's welfare
Peace Lessons from an Unlikely Source
How much is the aggression we observe in nonhuman primates the result of culture, and will the answer provide insights into our own violent behaviour
Situating the study of jealousy in the context of social relationships
Whereas the feelings of other beings are private and may always remain so, emotions are simultaneously manifested in behavior, physiology, and other observables. Nonetheless, uncertainty about whether emotions can be studied adequately across species has promoted skepticism about their very presence in other parts of the animal kingdom. Studying social emotions like jealousy in the context of the social relationships in which they arise, as has been done in the case of animal empathy, may help dispel this skepticism. Empathy in other species came to be accepted partly because of the behavioral similarities between its expression in nonhuman animals and humans, and partly because of the neurological parallels. Non-invasive brain imaging results like those reported in the target article can thus help integrate human and animal emotions within an evolutionary framework ā but the social context underlies precise definitions of the phenomenon
Ingroup-Outgroup Bias in Contagious Yawning by Chimpanzees Supports Link to Empathy
Humans favor others seen as similar to themselves (ingroup) over people seen as different (outgroup), even without explicitly stated bias. Ingroup-outgroup bias extends to involuntary responses, such as empathy for pain. However, empathy biases have not been tested in our close primate relatives. Contagious yawning has been theoretically and empirically linked to empathy. If empathy underlies contagious yawning, we predict that subjects should show an ingroup-outgroup bias by yawning more in response to watching ingroup members yawn than outgroup. Twenty-three chimpanzees (Pan troglodytes) from two separate groups watched videos of familiar and unfamiliar individuals yawning or at rest (control). The chimpanzees yawned more when watching the familiar yawns than the familiar control or the unfamiliar yawns, demonstrating an ingroup-outgroup bias in contagious yawning. These results provide further empirical support that contagious yawning is a measure of empathy, which may be useful for evolutionary biology and mental health
Cracking the laugh code: laughter through the lens of biology, psychology and neuroscience
Preface to the theme issue which tackles the biological, psychological, neural, and cultural underpinnings of laughter in humans and other animals from a naturalistic and evolutionary perspective
Long-term consistency in chimpanzee consolation behaviour reļ¬ects empathetic personalities
In contrast to a wealth of human studies, little is known about the ontogeny and consistency of empathy-related capacities in other species. Consolationāpost-conļ¬ict afļ¬liation from uninvolved bystanders to distressed othersāis a suggested marker of empathetic concern in non-human animals. Using longitudinal data comprising nearly a decade of observations on over 3000 conļ¬ict interactions in 44 chimpanzees (Pan troglodytes), we provide evidence for relatively stable individual differences in consolation behaviour. Across development,individuals consistently differ from one another in this trait, with higher consolatory tendencies predicting better social integration, a sign of social competence. Further, similar to recent results in other ape species, but in contrast to many human self-reported ļ¬ndings,older chimpanzees are less likely to console than are younger individuals. Overall, given the link between consolation and empathy, these ļ¬ndings help elucidate the development of individual socio-cognitive and -emotional abilities in one of our closest relatives
The expression of empathy in human's closest relatives, bonobos and chimpanzees: current and future directions
Empathy is a complex, multiādimensional capacity that facilitates the sharing and understanding of others' emotions. As our closest living relatives, bonobos (Pan paniscus) and chimpanzees (P. troglodytes) provide an opportunity to explore the origins of hominin social cognition, including empathy. Despite certain assumptions that bonobos and chimpanzees may differ empathically, these species appear to overlap considerably in certain socioāemotional responses related to empathy. However, few studies have systematically tested for species variation in Pan empathic or socioāemotional tendencies. To address this, we synthesise the growing literature on Pan empathy to inform our understanding of the selection pressures that may underlie the evolution of hominin empathy, and its expression in our last common ancestor. As bonobos and chimpanzees show overlaps in their expression of complex socioāemotional phenomena such as empathy, we propose that group comparisons may be as or more meaningful than species comparisons when it comes to understanding the evolutionary pressures for such behaviour. Furthermore, key differences, such as how humans and Pan communicate, appear to distinguish how we experience empathy compared to our closest living relatives
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