2021
DOI: 10.1086/713758
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The Evolution of Social Dominance through Reinforcement Learning

Abstract: Groups of social animals are often organized into dominance hierarchies that are formed through pairwise interactions.There is much experimental data on hierarchies, examining such things as winner, loser, and bystander effects, as well as the linearity and replicability of hierarchies, but there is a lack evolutionary analyses of these basic observations. Here I present a game theory model of hierarchy formation in which individuals adjust their aggressive behavior toward other group members through reinforce… Show more

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Cited by 17 publications
(51 citation statements)
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“…There is broad agreement between the studies and results from our current (Fig. 4) and previous (Leimar 2021) models in that loser effects are typically stronger than winner effects, but the differences between experiments and field situations make it harder to evaluate whether effects of non-linearity of the distribution of resources over ranks, like those in Fig. 4, occur in nature.…”
Section: Winner and Loser Effectssupporting
confidence: 71%
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“…There is broad agreement between the studies and results from our current (Fig. 4) and previous (Leimar 2021) models in that loser effects are typically stronger than winner effects, but the differences between experiments and field situations make it harder to evaluate whether effects of non-linearity of the distribution of resources over ranks, like those in Fig. 4, occur in nature.…”
Section: Winner and Loser Effectssupporting
confidence: 71%
“…Important concepts and notation for the model are summarised in Table 1. A detailed model description, including those aspects that are the same as in the previous model (Leimar 2021), are presented in Supplementary Information Online.…”
Section: The Modelmentioning
confidence: 99%
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