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12 results for “social affiliation”
Wild kangaroos become more social when caring for young and may maintain long-term affiliations with popular individuals
<p>Kangaroos are an iconic group of Australian fauna. Despite considerable research on kangaroo behaviour, key gaps remain in our understanding of their social organization in the wild. In particular, it remains largely unknown whether kangaroos form long-term social bonds and what factors might prompt individuals to associate or dissociate from one another. Over 6 years, we monitored the social affiliations of individually identified eastern grey kangaroos, Macropus giganteus, in a large wild population. We investigated the short-term and long-term relationships of kangaroos and the extent those relationships varied with age, sex and reproductive state. We found evidence that long-term relationships among eastern grey kangaroos are possible, especially between adult females. Those individuals that were more sociable within years were also more likely to establish affiliations across years. Contrary to previous studies, we observed females actively associating with other mothers in the years in which they had young. These data suggest that the fission-fusion dynamics of eastern grey kangaroo social behaviour allow females to modulate their social position with conspecifics according to their current reproductive state. We highlight the adaptive implications of the formation of long-term bonds and the changes in social behaviour observed in females.</p>
Wild kangaroos become more social when caring for young and may maintain long-term affiliations with popular individuals
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Social contagion of affiliation in female macaques
<p>Social contagion of non-interactive behavior is widespread among animals including humans. It is thought to facilitate behavioral synchronization and consequently group cohesion, coordination, and opportunities for social learning. Contagion of interactive behavior - particularly affiliation - has received much less attention. Here, we investigated in female rhesus macaques (Macaca mulatta) the effect of observing group members groom on a subject's subsequent grooming behavior and the potential modulation of contagion by relationship quality and social status. We recorded behavior after subjects witnessed a grooming event and compared it to behavior in a control condition with the same individuals in proximity but in the absence of a stimulus grooming event. Compared to the control condition, after observing others groom, females engaged in a grooming interaction sooner, and were more likely to be the initiator and to take on the active groomer role. Dominance rank of the focal individual and more weakly also of the stimulus individuals affected the latency to the next grooming interaction of the focal subject. Latency to the next grooming interaction decreased with increasing rank of the subject potentially reflecting lower social constraints faced by high ranking individuals in this highly despotic species. Relationship quality between the subject and the stimulus individuals had no effect on latency to grooming. Collectively, our findings provide evidence for visual contagion of affiliation in rhesus macaques. Future studies should explore the systematic variation in contagion of interactive behavior in relation to a gradient of social tolerance.</p>
Evidence for maintenance of key components of vocal learning in aging budgerigars despite diminished affiliative social interaction
<p>In some species, the ability to acquire new vocalizations persists into adulthood and may be an important mediator of social interactions. While it is generally assumed that vocal learning persists undiminished throughout the lifespan of these open-ended learners, the stability of this trait remains largely unexplored. We hypothesize that vocal learning exhibits senescence, as is typical of complex cognitive traits, and that this decline may relate to age-dependent changes in sociality. The budgerigar (<em>Melopsittacus undulatus</em>), an open-ended learner which develops new contact call types that are shared with social associates upon joining new flocks, provides a robust assay for measuring the effects of aging on vocal learning ability. We formed captive flocks of 4 previously unfamiliar adult males of the same age class, either "young adults" (6 mo.-1 yr.) or "older adults" (≥ 3 yr.), and concurrently tracked changes in contact call structure and social interactions over time. Older adults exhibited decreased vocal diversity, which may be related to the sparser and weaker affiliative bonds observed in older adults. Older adults, however, displayed equivalent levels of vocal plasticity and vocal convergence compared to young adults, suggesting vocal learning ability is largely maintained into later adulthood in an open-ended learner.</p>
Social contagion of affiliation in female macaques
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Data from: Social affiliation matters: both same-sex and opposite-sex relationships predict survival in wild female baboons
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Evidence for maintenance of key components of vocal learning in aging budgerigars despite diminished affiliative social interaction
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Data from: Honey bee (Apis mellifera) sociability and nestmate affiliation is dependent on the social environment experienced post-eclosion
Underpinning the formation of a social group is the motivation of individuals to aggregate and interact with conspecifics, termed sociability. Here we developed an assay, inspired by vertebrate approaches to evaluate social behaviours, to simultaneously examine the development of honey bee (Apis mellifera) sociability and nestmate affiliation. Focal bees were placed in a testing chamber, which was separated from groups of nestmates and conspecific non-nestmates by single-layer mesh screens. Assessing how much time bees spent contacting the two mesh screens allowed us to quantify simultaneously how much bees sought proximity and interaction with other bees, and their preference for nestmates over non-nestmates. Both sociability and nestmate affiliation could be detected soon after emergence as an adult. Isolation early in adult life impaired honey bee sociability but there was no evidence for a critical period for the development of the trait since isolated bees exposed to their hive for 24 hours when as old as 6 days still recovered high levels of sociability. Our data show that even for advanced social insects, sociability is a developmental phenomenon and experience-dependent.
Effects of Oxytocin Nasal Spray on Social Affiliation
ClinicalTrials.gov study NCT00663039. IPD Sharing: NO. Countries: 1. Publications: 0.
Data from: Honey bee (Apis mellifera) sociability and nestmate affiliation is dependent on the social environment experienced post-eclosion
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Honey bee neurogenomic responses to affiliative and agonistic social interactions
GEO Series GSE113122. Apis mellifera. 176 samples. Type: Expression profiling by high throughput sequencing.
Honey bee neurogenomic responses to affiliative and agonistic social interactions.
GEO Series GSE113131. Apis mellifera. 8 samples. Type: Genome binding/occupancy profiling by high throughput sequencing.
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Allen Brain Atlas
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International Brain Laboratory public data
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