期刊
出版社
NATL ACAD SCIENCES
DOI: 10.1073/pnas.2022912118
关键词
animal sociality; animal conflict; dominance hierarchy; self-organizing system
资金
- ASU-SFI Center for Biosocial Complex Systems
- Santa Fe Institute
- Independent Research Fund Denmark [7089-00017B]
- Aarhus University Research Foundation
- Interacting Minds Center
- Army Research Office [W911NF1710502]
- U.S. Department of Defense (DOD) [W911NF1710502] Funding Source: U.S. Department of Defense (DOD)
A study found that most social groups follow a "downward heuristic", while a minority display more complex social dominance patterns, suggesting higher levels of social information use. These patterns are not constrained by phylogeny, as different groups within the same species may use different patterns.
Members of a social species need to make appropriate decisions about who, how, and when to interact with others in their group. However, it has been difficult for researchers to detect the inputs to these decisions and, in particular, how much information individuals actually have about their social context. We present a method that can serve as a social assay to quantify how patterns of aggression depend upon information about the ranks of individuals within social dominance hierarchies. Applied to existing data on aggression in 172 social groups across 85 species in 23 orders, it reveals three main patterns of rank-dependent social dominance: the downward heuristic (aggress uniformly against lower-ranked opponents), close competitors (aggress against opponents ranked slightly below self), and bullying (aggress against opponents ranked much lower than self). The majority of the groups (133 groups, 77%) follow a down-ward heuristic, but a significant minority (38 groups, 22%) show more complex social dominance patterns (close competitors or bullying) consistent with higher levels of social information use. These patterns are not phylogenetically constrained and different groups within the same species can use different patterns, suggesting that heuristic use may depend on context and the structuring of aggression by social information should not be considered a fixed characteristic of a species. Our approach provides opportunities to study the use of social information within and across species and the evolution of social complexity and cognition.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据