AI Article Synopsis
- - The study explores how multilevel sociality, a common trait in human societies, influences cultural evolution among Agta hunter-gatherers by analyzing their social networks through wireless sensing technology.
- - Findings indicate that multilevel sociality enhances cultural differentiation and the accumulation of cultural knowledge, which is important for adapting to changing environments.
- - The social structure of the Agta, characterized by family clusters in camps, kinship-based cultural transmission, and frequent movement between camps, helps maintain cultural adaptation even in sparsely populated settings, potentially aiding in the spread of cultural practices globally.
Article Abstract
Although multilevel sociality is a universal feature of human social organization, its functional relevance remains unclear. Here, we investigated the effect of multilevel sociality on cumulative cultural evolution by using wireless sensing technology to map inter- and intraband social networks among Agta hunter-gatherers. By simulating the accumulation of cultural innovations over the real Agta multicamp networks, we demonstrate that multilevel sociality accelerates cultural differentiation and cumulative cultural evolution. Our results suggest that hunter-gatherer social structures [based on (i) clustering of families within camps and camps within regions, (ii) cultural transmission within kinship networks, and (iii) high intercamp mobility] may have allowed past and present hunter-gatherers to maintain cumulative cultural adaptation despite low population density, a feature that may have been critical in facilitating the global expansion of .
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7048420 | PMC |
| http://dx.doi.org/10.1126/sciadv.aax5913 | DOI Listing |
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