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Jun 10, 2020 · In social animals, the formation of dominance hierarchy is essential for maintaining the stability and efficacy of social groups. A study by Wang and colleagues employ a combination of...
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In social animals, the formation of dominance hierarchy is essential for maintaining the stability and efficacy of social groups. A study by Wang and colleagues employ a combination of comparative genomic and functional approaches to shed new light on both the genetic mechanisms and the evolutionary histories of dominance behavior. Many animals ...
Feb 19, 2018 · Now, a new study shows that a previously subordinate animal can become dominant after optogenetic stimulation of the dorsomedial prefrontal cortex, demonstrating that this brain region is necessary and sufficient to quickly induce winning during social competitions.
- Chen Qu, Chen Qu, Jean-Claude Dreher
- 2018
Dominance is a basic property of inheritance systems describing the link between a diploid genotype at a single locus and the resulting phenotype. Models for the evolution of dominance have long been framed as an opposition between the ...
Jan 10, 2022 · Dominance hierarchies have been studied for almost 100 years. The science of science approach used here provides high-level insight into how the dynamics of dominance hierarchy research have shifted over this long timescale.
- Elizabeth A. Hobson
- February 28, 2022
- 10.1098/rstb.2020.0433
May 9, 2019 · A higher rank order indicates that an individual or group has higher social status (Berger et al., 1972, 1980; Ellyson & Dovidio, 1985). An individual’s actual rank is not necessarily fixed—some hierarchies can be rather unstable—and is often context dependent (e.g., at work vs. among peers or family).
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Dominant individuals accrue social influence and achieve superior resource access and greater fitness through their greater coercive control over costs and benefits; they maintain their attained rank in a stable hierarchy through intimidation and threats.
