Comparative connectomics of the primate social brain

C Yokoyama, JA Autio, T Ikeda, J Sallet, RB Mars… - NeuroImage, 2021 - Elsevier
Social interaction is thought to provide a selection pressure for human intelligence, yet little
is known about its neurobiological basis and evolution throughout the primate lineage …

Two types of aggression in human evolution

RW Wrangham - Proceedings of the National Academy of …, 2018 - National Acad Sciences
Two major types of aggression, proactive and reactive, are associated with contrasting
expression, eliciting factors, neural pathways, development, and function. The distinction is …

Variation in the social organization of gorillas: Life history and socioecological perspectives

MM Robbins, AM Robbins - Evolutionary Anthropology: Issues …, 2018 - Wiley Online Library
A focus of socioecological research is to understand how ecological, social, and life history
factors influence the variability of social organization within and between species. The …

Responses to social and environmental stress are attenuated by strong male bonds in wild macaques

C Young, B Majolo, M Heistermann… - Proceedings of the …, 2014 - National Acad Sciences
In humans and obligatory social animals, individuals with weak social ties experience
negative health and fitness consequences. The social buffering hypothesis conceptualizes …

Linking sociality to fitness in primates: a call for mechanisms

J Ostner, O Schülke - Advances in the Study of Behavior, 2018 - Elsevier
Within-group variation in sociality has been linked to correlates of fitness across vertebrates.
Individuals that form strong social bonds with a few partners, or are well integrated into a …

Social integration influences fitness in allied male dolphins

L Gerber, RC Connor, SJ Allen, K Horlacher, SL King… - Current Biology, 2022 - cell.com
Understanding determinants of differential reproductive success is at the core of
evolutionary biology because of its connection to fitness. Early work has linked variation in …

Male body size, dominance rank and strategic use of aggression in a group-living mammal

E Wright, J Galbany, SC McFarlin, E Ndayishimiye… - Animal Behaviour, 2019 - Elsevier
Body size is a key determinant of male fighting ability and reproductive success in many
animal species, but relationships between these variables have only rarely been examined …

Quantifying within-group variation in sociality—covariation among metrics and patterns across primate groups and species

O Schülke, S Anzà, C Crockford, D De Moor… - Behavioral Ecology and …, 2022 - Springer
It has long been recognized that the patterning of social interactions within a group can give
rise to a social structure that holds very different places for different individuals. Such within …

Affiliation history and age similarity predict alliance formation in adult male bottlenose dolphins

L Gerber, RC Connor, SL King, SJ Allen… - Behavioral …, 2020 - academic.oup.com
Male alliances are an intriguing phenomenon in the context of reproduction since, in most
taxa, males compete over an indivisible resource, female fertilization. Adult male bottlenose …

Social bonds predict dominance trajectories in adult male chimpanzees

J Bray, JT Feldblum, IC Gilby - Animal Behaviour, 2021 - Elsevier
Highlights•Some species form social bonds that facilitate cooperation and provide
benefits.•Adult male chimpanzees form some of the strongest and most stable social …