Joseph Henrich and Michael Muthukrishna – “The Origins and Psychology of Human Cooperation”. Annual Review of Psychology, 2021

“The Origins and Psychology of Human Cooperation

Annual Review of Psychology

Vol. 72:207-240 (Volume publication date January 2021)

First published as a Review in Advance on October 2, 2020

https://doi.org/10.1146/annurev-psych-081920-042106

Joseph Henrich (1) and Michael Muthukrishna (2)

(1) Department of Human Evolutionary Biology, Harvard University, Cambridge, Massachusetts 02138, USA; email: henrich@fas.harvard.edu

(2) Department of Psychological and Behavioural Science, London School of Economics and Political Science, London WC2A 2AE, United Kingdom; email: m.muthukrishna@lse.ac.uk

PDF:

https://henrich.fas.harvard.edu/files/henrich/files/henrich_and_muthukrishna_the_origins_and_psychology_of_human_cooperation_final.pdf

Abstract

Humans are an ultrasocial species. This sociality, however, cannot be fully explained by the canonical approaches found in evolutionary biology, psychology, or economics. Understanding our unique social psychology requires accounting not only for the breadth and intensity of human cooperation but also for the variation found across societies, over history, and among behavioral domains. Here, we introduce an expanded evolutionary approach that considers how genetic and cultural evolution, and their interaction, may have shaped both the reliably developing features of our minds and the well-documented differences in cultural psychologies around the globe. We review the major evolutionary mechanisms that have been proposed to explain human cooperation, including kinship, reciprocity, reputation, signaling, and punishment; we discuss key culture–gene coevolutionary hypotheses, such as those surrounding self-domestication and norm psychology; and we consider the role of religions and marriage systems. Empirically, we synthesize experimental and observational evidence from studies of children and adults from diverse societies with research among nonhuman primates.

Keywords
cooperation, ultrasociality, evolutionary psychology, cultural evolution, culture-gene coevolution, social behavior”

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