cultural evolutionary
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Author(s):  
Valéria Romano ◽  
Sergi Lozano ◽  
Javier Fernández-López de Pablo

Culture is increasingly being framed as a driver of human phenotypes and behaviour. Yet very little is known about variations in the patterns of past social interactions between humans in cultural evolution. The archaeological record, combined with modern evolutionary and analytical approaches, provides a unique opportunity to investigate broad-scale patterns of cultural change. Prompted by evidence that a population's social connectivity influences cultural variability, in this article, we revisit traditional approaches used to infer cultural evolutionary processes from the archaeological data. We then propose that frameworks considering multi-scalar interactions (from individuals to populations) over time and space have the potential to advance knowledge in cultural evolutionary theory. We describe how social network analysis can be applied to analyse diachronic structural changes and test cultural transmission hypotheses using the archaeological record (here specifically from the Marine Isotope Stage 3 ca 57–29 ka onwards). We argue that the reconstruction of prehistoric networks offers a timely opportunity to test the interplay between social connectivity and culture and ultimately helps to disentangle evolutionary mechanisms in the archaeological record. This article is part of a discussion meeting issue ‘The emergence of collective knowledge and cumulative culture in animals, humans and machines’.


2021 ◽  
pp. 323-368
Author(s):  
Steven Brown

The study of creativity is about how people generate novel ideas and products, as opposed to reproducing or mimicking things that already exist. In this chapter, the author characterizes the study of creativity as the three Ms of mechanism, modulator, and meme. The mechanisms of creativity include the modification of existing products and the blending of two or more products to create stylistic fusions. Modulators of creativity include both individual-level factors (e.g. personality) and social factors (e.g. political constraints). The notion of a ‘meme’ reflects the cultural evolutionary concept that creative products either flourish or die out as a result of the critical reception they receive. A central question for the psychology of creativity is whether creativity depends more on domain-specific or domain-general mechanisms, or some combination of the two.


2021 ◽  
Author(s):  
Daniel Nettle ◽  
Thom Scott-Phillips

The last thirty years has seen the emergence of a self-styled ‘evolutionary’ paradigm within psychology (henceforth, EP). EP is often presented and critiqued as a distinctive, contentious paradigm, to be contrasted with other accounts of human psychology. However, little attention has been paid to the sense in which those other accounts are not evolutionary, or at least evolutionalizable. We distinguish between a commitment to evolution, and a more specific commitment to adaptationism. We argue that all formulable accounts of human psychology are evolutionary in a real sense: non-evolutionary psychology is impossible. Not all psychologies are explicitly adaptationist, but those that are not still draw on informal notions of organismal function, and thus implicitly require at least a weak version of adaptationism. We argue that the really distinctive and contentious feature of EP is not its commitment to evolution, or even adaptationism. It is the commitment to domain-specificity and the associated multiplicity of innately specialized psychological mechanisms. This commitment entails a narrow parsing of what an adaptive problem is, and has the consequence that the science of psychology ends up consisting of many narrow proximal explanations, rather than a few broad ones. We illustrate this thesis by examining a range of paradigms that can be seen as competitors to canonical EP: social role theory; cultural evolutionary psychology and dual inheritance theory; Bayesian cognitive science; and Giddens’ social theory. Narrow versus broad functional specialization emerges as the central locus of difference between the different psychologies we review.


2021 ◽  
Author(s):  
Theiss Bendixen ◽  
Coren Lee Apicella ◽  
Quentin Atkinson ◽  
Emma Cohen ◽  
Joseph Henrich ◽  
...  

While appeals to gods and spirits are ubiquitous throughout human societies past and present, deities’ postulated concerns vary across populations. How does the content of beliefs about and appeals to gods vary across groups, and what accounts for this variation? With particular emphasis on locally important deities, we develop a novel cultural evolutionary account that includes a set of predictive criteria for what deities will be associated with in various socioecological contexts. We then apply these criteria in an analysis of individual-level ethnographic free-list data on what pleases and angers locally relevant deities from eight diverse societies. We conclude with a discussion of how alternative approaches to cross-cultural variation in god beliefs and appeals fare against our findings and close by considering some key implications of our methods and findings for the cognitive and evolutionary study of religion.


2021 ◽  
Author(s):  
Theiss Bendixen ◽  
Aaron Lightner ◽  
Benjamin Grant Purzycki

Since the earliest days of the social sciences, the relationship between religion and cooperation has been a central topic. In this chapter, we critically review some cultural evolutionary perspectives on religion and cooperation and consider how they frame the relationships among religious beliefs, behaviors, and the moral rules that motivate cooperation. We then offer an account of how religious systems can contribute to the stability of social life more generally, with cooperative dilemmas occupying a subset of a broader range of socioecological challenges that supernatural appeals might help resolve. We also provide a critical overview of popular methods used throughout much of the contemporary work on religion and cooperation. In doing so, we provide useful ways forward for testing how appeals to gods, spirits, and other supernatural forces can, in at least some cases, address locally important challenges to cooperation.


2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Bradley Walker ◽  
José Segovia Martín ◽  
Monica Tamariz ◽  
Nicolas Fay

AbstractMany cultural phenomena evolve through a Darwinian process whereby adaptive variants are selected and spread at the expense of competing variants. While cultural evolutionary theory emphasises the importance of social learning to this process, experimental studies indicate that people’s dominant response is to maintain their prior behaviour. In addition, while payoff-biased learning is crucial to Darwinian cultural evolution, learner behaviour is not always guided by variant payoffs. Here, we use agent-based modelling to investigate the role of maintenance in Darwinian cultural evolution. We vary the degree to which learner behaviour is payoff-biased (i.e., based on critical evaluation of variant payoffs), and compare three uncritical (non-payoff-biased) strategies that are used alongside payoff-biased learning: copying others, innovating new variants, and maintaining prior variants. In line with previous research, we show that some level of payoff-biased learning is crucial for populations to converge on adaptive cultural variants. Importantly, when combined with payoff-biased learning, uncritical maintenance leads to stronger population-level adaptation than uncritical copying or innovation, highlighting the importance of maintenance to cultural selection. This advantage of maintenance as a default learning strategy may help explain why it is a common human behaviour.


2021 ◽  
pp. 096372142110250
Author(s):  
Michele J. Gelfand

Across the millennia, human groups have evolved specific cultural and psychological adaptations to cope with collective threats, from terrorism to natural disasters to pathogens. In particular, research has identified cultural tightness, characterized by strict social norms and punishments, as one key adaptation that helps groups coordinate to survive collective threats. However, interferences with threat signals that facilitate tightening can lead to cultural mismatches—either too much or not enough tightening. I discuss two examples of cultural mismatches: the COVID-19 pandemic (a case in which collective threat is real, but there is a resistance to tightening) and the rise of populist movements (a case in which exaggerated threat leads to unnecessary tightening).


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