Correlated pay-offs are key to cooperation
The general belief that cooperation and altruism in social groups result primarily from kin
selection has recently been challenged, not least because results from cooperatively …
selection has recently been challenged, not least because results from cooperatively …
Did cooperation among strangers decline in the United States? A cross-temporal meta-analysis of social dilemmas (1956–2017).
Cooperation among strangers has been hypothesized to have declined in the United States
over the past several decades, an alarming trend that has potential far-reaching societal …
over the past several decades, an alarming trend that has potential far-reaching societal …
Collective action and the collaborative brain
S Gavrilets - Journal of the Royal Society Interface, 2015 - royalsocietypublishing.org
Humans are unique both in their cognitive abilities and in the extent of cooperation in large
groups of unrelated individuals. How our species evolved high intelligence in spite of …
groups of unrelated individuals. How our species evolved high intelligence in spite of …
Working dogs cooperate among one another by generalised reciprocity
N Gfrerer, M Taborsky - Scientific reports, 2017 - nature.com
Cooperation by generalised reciprocity implies that individuals apply the decision rule “help
anyone if helped by someone”. This mechanism has been shown to generate evolutionarily …
anyone if helped by someone”. This mechanism has been shown to generate evolutionarily …
[HTML][HTML] Reciprocity: Different behavioural strategies, cognitive mechanisms and psychological processes
Reciprocity is probably one of the most debated theories in evolutionary research. After
more than 40 years of research, some scientists conclude that reciprocity is an almost …
more than 40 years of research, some scientists conclude that reciprocity is an almost …
When is bigger better? T he effects of group size on the evolution of hel** behaviours
Understanding the evolution of sociality in humans and other species requires
understanding how selection on social behaviour varies with group size. However, the …
understanding how selection on social behaviour varies with group size. However, the …
Grou** promotes both partnership and rivalry with long memory in direct reciprocity
Biological and social scientists have long been interested in understanding how to reconcile
individual and collective interests in the iterated Prisoner's Dilemma. Many effective …
individual and collective interests in the iterated Prisoner's Dilemma. Many effective …
Personality homophily affects male social bonding in wild Assamese macaques, Macaca assamensis
Highlights•Personality similarity associated with formation and maintenance of male social
bonds.•Dyadic bond strength increased with increased similarity in Gregariousness …
bonds.•Dyadic bond strength increased with increased similarity in Gregariousness …
New winning strategies for the iterated prisoner's dilemma
In the iterated prisoner's dilemma game, new successful strategies are regularly proposed
especially outperforming the well-known tit_for_tat strategy. New forms of reasoning have …
especially outperforming the well-known tit_for_tat strategy. New forms of reasoning have …
Signature whistles in wild bottlenose dolphins: long-term stability and emission rates
AR Luís, MN Couchinho, ME Dos Santos - acta ethologica, 2016 - Springer
Whistles are key elements in the acoustic repertoire of bottlenose dolphins. In this species,
the frequency contours of whistles are used as individual signatures. Assessing the long …
the frequency contours of whistles are used as individual signatures. Assessing the long …