Managing the stresses of group-living in the transition to village life

Group living is stressful for all mammals, and these stresses limit the size of their social groups. Humans live in very large groups by mammal standards, so how have they solved this problem? I use homicide rates as an index of within-community stress for humans living in small-scale ethnographic s...

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Main Author: R. I. M. Dunbar
Format: Article
Language:English
Published: Cambridge University Press 2022-01-01
Series:Evolutionary Human Sciences
Subjects:
Online Access:https://www.cambridge.org/core/product/identifier/S2513843X22000391/type/journal_article
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author R. I. M. Dunbar
author_facet R. I. M. Dunbar
author_sort R. I. M. Dunbar
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description Group living is stressful for all mammals, and these stresses limit the size of their social groups. Humans live in very large groups by mammal standards, so how have they solved this problem? I use homicide rates as an index of within-community stress for humans living in small-scale ethnographic societies, and show that the frequency of homicide increases linearly with living-group size in hunter–gatherers. This is not, however, the case for cultivators living in permanent settlements, where there appears to be a ‘glass ceiling’ below which homicide rates oscillate. This glass ceiling correlates with the adoption of social institutions that allow tensions to be managed. The results suggest (a) that the transition to a settled lifestyle in the Neolithic may have been more challenging than is usually assumed and (b) that the increases in settlement size that followed the first villages necessitated the introduction of a series of social institutions designed to manage within-community discord.
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spelling doaj.art-a857469a4c294f9db4d17dd8385bc3bd2023-03-09T12:32:20ZengCambridge University PressEvolutionary Human Sciences2513-843X2022-01-01410.1017/ehs.2022.39Managing the stresses of group-living in the transition to village lifeR. I. M. Dunbar0https://orcid.org/0000-0002-9982-9702Department of Experimental Psychology, University of Oxford, Radcliffe Observatory Quarter, Oxford OX2 6GG, UKGroup living is stressful for all mammals, and these stresses limit the size of their social groups. Humans live in very large groups by mammal standards, so how have they solved this problem? I use homicide rates as an index of within-community stress for humans living in small-scale ethnographic societies, and show that the frequency of homicide increases linearly with living-group size in hunter–gatherers. This is not, however, the case for cultivators living in permanent settlements, where there appears to be a ‘glass ceiling’ below which homicide rates oscillate. This glass ceiling correlates with the adoption of social institutions that allow tensions to be managed. The results suggest (a) that the transition to a settled lifestyle in the Neolithic may have been more challenging than is usually assumed and (b) that the increases in settlement size that followed the first villages necessitated the introduction of a series of social institutions designed to manage within-community discord.https://www.cambridge.org/core/product/identifier/S2513843X22000391/type/journal_articleHomicidehunter–gathererscultivatorsbonding ritualssocial institutions
spellingShingle R. I. M. Dunbar
Managing the stresses of group-living in the transition to village life
Evolutionary Human Sciences
Homicide
hunter–gatherers
cultivators
bonding rituals
social institutions
title Managing the stresses of group-living in the transition to village life
title_full Managing the stresses of group-living in the transition to village life
title_fullStr Managing the stresses of group-living in the transition to village life
title_full_unstemmed Managing the stresses of group-living in the transition to village life
title_short Managing the stresses of group-living in the transition to village life
title_sort managing the stresses of group living in the transition to village life
topic Homicide
hunter–gatherers
cultivators
bonding rituals
social institutions
url https://www.cambridge.org/core/product/identifier/S2513843X22000391/type/journal_article
work_keys_str_mv AT rimdunbar managingthestressesofgrouplivinginthetransitiontovillagelife