V. Life's Corporeal Evolution Encodes and Organizes Itself: An EarthWinian Genesis Synthesis
5. Cooperative Societies
Dunbar, Robin. Evolution of the Social Brain. Science. 302/1160, 2003. A review of two articles in this issue that find sociality in baboons aided by relationships between primate females and an associated communicative component. Anthropologist Dunbar’s own important work is noted is several places.
Dunbar, Robin, et al. Primate Social Group Sizes Exhibit a Regular Scaling Pattern with Natural Attractors. Biology Letters. 14/1, 2018. Psychologists Dunbar and Padraig Mac Carron, Oxford University, and biologist Susanne Shultz, University of Manchester offer further extensive evidence that simian groupings across many species tend to common, default sizes within a general nested sequence. See also Optimizing Human Community Sizes by Dunbar and Richard Sosis in Evolution and Human Behavior (39/1, 2018), and Sizes of Permanent Campsite Communities Reflect Constraints on Natural Human Communities by Tobias Kordsmeyer, et al in Current Anthropology (58/2, 2017), second Abstract.
Primate groups vary considerably in size across species. Nonetheless, the distribution of mean species group size has a regular scaling pattern with preferred sizes approximating 2.5, 5, 15, 30 and 50 individuals (although strepsirrhines lack the latter two), with a scaling ratio of approximately 2.5 similar to that observed in human social networks. These clusters appear to form distinct social grades that are associated with rapid evolutionary change, presumably in response to intense environmental selection pressures. These findings may have wider implications for other highly social mammal taxa. (Dunbar Abstract)
Emery, Nathan, et al, eds. Social Intelligence: From Brain to Culture. Oxford: Oxford University Press, 2007. Not yet seen, we quote from the OUP website. Eighteen papers cover in breadth and depth the persistent formation across the animal kingdoms of a ramifying collective cognition. See also the 2007 Philosophical Transactions of the Royal Society B issue edited by Emery and posted in The Appearance of Homo Sapiens section.
Why are humans so clever? The 'Social intelligence' hypothesis explores the idea that this cleverness has evolved through the increasing complexity of social groups. Our ability to understand and control nature is a by-product of our ability to understand the mental states of others and to use this knowledge to co-operate or deceive. These abilities have not emerged out of the blue. They can be found in many social animals that co-operate and compete with one another, birds as well as mammals.
Fehr, Ernst, et al. Strong Reciprocity, Human Cooperation, and the Enforcement of Social Norms. Human Nature. 13/1, 2002. The lead article in a special issue that seeks to quantify an innate tendency for cooperation.
This paper provides strong evidence challenging the self-interest assumption that dominates the behavioral sciences and much evolutionary thinking. The evidence indicates that many people have a tendency to voluntarily cooperate, if treated fairly, and to punish noncooperators.
Fewell, Jennifer. Social Insect Networks. Science. 1867/301, 2003. Universal principles of self-organizing complex systems are found to characterize colonoial insects such as ants and bees. Their superorganism-like communities have become a useful candidate to exhibit and model these common properties such as network dynamics.
Social insect colonies (and social groups generally) have key network attributes that appear consistently in complex biological systems, from molecules to ecosystems; these include nonrandom systems of connectivity and the self-organization of group-level phenotypes. (1867)
Fewell, Jennifer, et al. Division of Labor in the Context of Complexity. Gadau, Jurgen and Jennifer Fewell, eds. Organization of Insect Societies: From Genome to Sociocomplexity. Cambridge: Harvard University Press, 2009. A good example of how nonlinear mathematical dynamics as a genetic-like source will produce similar yet diverse, symbiotic modules which then form and serve the rise and viability of higher-order, bounded phases. We offer extended quotes which illustrate their pervasive presence throughout natural kingdoms.
Sociobiology is undergoing a shift in its theoretical framework toward the paradigm that societies are complex and dynamical systems rather than amalgamated groups of individuals. (483) Over the past few decades, there has been a large increase in the pervasiveness of complexity theory across disciplines, allowing us to tap into a growing theoretical framework. (483-484)
Finn, Kelly, et al. Novel Insights into Animal Sociality from Multilayer Networks. arXiv:1712.01790. Finn, UC Davis animal behavior, Matthew Silk, University of Exeter environmental sustainability, along with Mason Porter, mathematics and Noa Pinter-Wollman, evolutionary biology UCLA apply these latest appreciations of dynamic network structures (search Porter) to creaturely groupings across their many instances and scales.
Network analysis has driven key developments in animal behavior research by providing quantitative methods to study the social structure of animal groups and populations. A recent advancement in network science, multilayer network analysis, the study of network structures of multiple interconnected `layers', offers a novel way to represent and analyze the structure of animal behavior, and help strengthen links to broader ecological and evolutionary contexts. We outline the potential uses of these new methods at individual-, group-, population-, and evolutionary-levels, and we highlight their potential to advance behavioral ecology research. This novel quantitative approach makes it possible to address classic research questions from a new perspective and opens a diversity of new questions that previously have been out of reach. (Abstract)
Flack, Jessica. Multiple Time-Scales and the Developmental Dynamics of Social Systems. Philosophical Transactions of the Royal Society. 367/1802, 2012. A Wisconsin Institute for Discovery, Center for Complexity and Collective Computation (C4), and Santa Fe Institute systems behaviorist contributes to a special issue on The Social Network and Communicative Complexity, with Robin Dunbar as a main organizer. We note three quotes in regard – the article Abstract, another from the issue Introduction, and a statement for the C4 Center.
To build a theory of social complexity, we need to understand how aggregate social properties arise from individual interaction rules. Here, I review a body of work on the developmental dynamics of pigtailed macaque social organization and conflict management that provides insight into the mechanistic causes of multi-scale social systems. In this model system coarse-grained, statistical representations of collective dynamics are more predictive of the future state of the system than the constantly in-flux behavioural patterns at the individual level. (Abstract, 1802)
Fletcher, Jeffery and Martin Zwick. Strong Altruism can Evolve in Randomly Formed Groups. Journal of Theoretical Biology. 228/3, 2004. A liability to helping and sharing behaviors was thought to be a high cost to the altruistic organism. This simulation and analysis finds a positive bias for these cooperative traits, not requiring special conditions, if such groups persist for more than one generation.
The fact that strong altruism can increase when groups are periodically and randomly formed suggests that altruism may evolve more readily and in simpler organisms than is generally appreciated. (303)
Foster, Kevin. The Sociobiology of Molecular Systems. Nature Reviews Genetics. Online, March, 2011. The Oxford University zoologist seeks to advance insights into human social behavior as set within their certain evolutionary ground, long a contentious subject. Although the 1970s “sociobiology” remains a loaded term, we ought not ignore that biological and communal life phases are deeply rooted and related. An appropriate synthesis might be lately gained through the fluid network topologies being found at every organic scale. Four aspects are enlisted: multiple nested levels of spatial life and temporal evolution, kinds and density of nodes and connections, system diversities, and how networks change. By the 2010s, a complementary balance of entity and empathy from protein webs and cell symbiosis to primate troops and country towns can be observed and documented.
It is often assumed that molecular systems are designed to maximize the competitive ability of the organism that carries them. In reality, natural selection acts on both cooperative and competitive phenotypes, across multiple scales of biological organization. Here I ask how the potential for social effects in evolution has influenced molecular systems. I discuss a range of phenotypes, from the selfish genetic elements that disrupt genomes, through metabolism, multicellularity and cancer, to behaviour and the organization of animal societies. I argue that the balance between cooperative and competitive evolution has shaped both form and function at the molecular scale. (193)
Fotouhi, Babak, et al. Evolution of Cooperation of Large Networks with Community Structure. Journal of the Royal Society Interface. March, 2019. As many natural and social phases are redefining themselves by way of systemic connectivities, here Harvard University, Program for Evolutionary Dynamics researchers including Martin Nowak proceed to show how node/link, hub topologies likewise inform, serve and support group cooperative behaviors.
Cooperation is a major factor in the evolution of human societies. The structure of social networks, which affects the dynamics of cooperation and other interpersonal phenomena, have common structural signatures. One of these signatures is the tendency to organize as groups. This tendency gives rise to networks with community structure, which are composed of distinct modules. In this paper, we study these evolutionary game dynamics on large modular networks in the limit of weak selection. We obtain novel analytical conditions such that natural selection favors cooperation over defection. (Abstract excerpt)
Frank, Steven. Repression of Competition and the Evolution of Cooperation. Evolution. 57/4, 2003. In addition to kin selection, distinct entities such as genomes, eukaryotic cells, and human societies tend to cohere and prosper by a reciprocal alignment of individual interests with that of the assembly. By this feature, the cell or tribe then gains survival benefits vs. other groups. Such internal “fairness” and “leveling of position” equally serves the whole unit. A noteworthy review of the history and literature of a vital propensity for communal accord.
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