During a conflict, having a greater number of allies than the opposition can improve one's success in a conflict. However, allies must be aware that has a conflict has occurred, and this is often influenced by what they are able to see. Here, we explored whether infants' assessment of social dominance is influenced by whether or not social allies have visual access to an episode of intergroup conflict. In Experiment 1, 9-12-month-olds only expected an agent to be socially dominant if their allies were able to witness the conflict. Experiment 2 provided further support for this finding, as infants did not expect an agent from a numerically larger group to be socially dominant when allies were unable to witness the conflict. Together, these results suggest that infants do not simply use a heuristic in which "numerically larger groups are always more dominant". Importantly, infants are able to incorporate social allies' ability to witness a conflict when predicting social dominance between groups.
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http://dx.doi.org/10.1038/s41598-022-22640-z | DOI Listing |
Front Psychol
January 2025
Department of Human Neuroscience, Sapienza University of Rome, Rome, Italy.
Depression is presented as a multi-factorial bio-psycho-social expression that has evolved primarily as an effect of stressors related to the motivational/emotional systems that regulate the in our relationship with conspecifics. These stressors may be caused by two sources of threat, firstly, the loss of bonding with the caregiver and later with a partner and/or group which relates to the SEPARATION (PANIC/GRIEF) system, secondly, social defeat as an expression of the social competition and social dominance. The sexual maturity drives the individual to social competition and social dominance, even if the latter often occurs before sexual maturity, e.
View Article and Find Full Text PDFNeuropsychopharmacology
January 2025
Grupo de Neurociencia de Sistemas, Departamento de Ciencias Fisiológicas, Facultad de Ciencias Médicas, Universidad de Buenos Aires, Buenos Aires, Argentina.
Emotion recognition is fundamental for effective social interactions among conspecifics. Impairments in affective state processing underlie several neuropsychiatric disorders, including schizophrenia, although the neurobiological substrate of these deficits remains unknown. We investigated the impact of early NMDA receptor hypofunction on socio-affective behaviors.
View Article and Find Full Text PDFEcol Appl
January 2025
Department of Environmental Science and Policy, University of California, Davis, Davis, California, USA.
Plastic pollution threatens almost every ecosystem in the world. Critically, many animals consume plastic, in part because plastic particles often look or smell like food. Plastic ingestion is thus an evolutionary trap, a phenomenon that occurs when cues are decoupled from their previously associated high fitness outcomes.
View Article and Find Full Text PDFSoc Sci Med
December 2024
London School of Hygiene & Tropical Medicine, Faculty of Public Health and Policy, 15-17 Tavistock Place, London, WC1H 9SH, UK.
Dating and relationship violence (DRV) among young people is widespread. DRV is associated with subsequent mental ill health, substance use and sexual risk among girls and boys and is a leading cause of morbidity and mortality among girls globally. Harmful social norms are widely recognised for their role in sustaining DRV, and interventions often seek to change these.
View Article and Find Full Text PDFBiol Lett
January 2025
Department of Biological Sciences, The University of Memphis, Memphis, TN, USA.
It is unclear how habitat features alter animal responses to social instability. Only by uncovering such interactions can we fully understand the evolutionary drivers and fitness consequences of sociality. We capitalize on a management-induced manipulation of social stability in an island population of free-ranging feral horses (), living across three distinct habitat types.
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