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Cumulative Cultural Evolution within Evolving Population Structures
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DOI：10.1016/j.tics.2020.04.005.png)
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Abstract
En 中文
Our species has the peculiar ability to accumulate cultural innovations over multiple generations, a phenomenon termed 'cumulative cultural evolution' (CCE). Recent years have seen a proliferation of empirical and theoretical work exploring the inter-play between demography and CCE. This has generated intense discussion about whether demographic models can help explain historical patterns of cultural changes. Here, we synthesize empirical and theoretical studies from multiple fields to highlight how both population size and structure can shape the pool of cultural information that individuals can build upon to innovate, present the potential path-ways through which humans' unique social structure might promote CCE, and dis-cuss whether humans' social networks might partly result from selection pressures linked to our extensive reliance on culturally accumulated knowledge.
Keywords:
SOCIAL-LEARNING STRATEGIES
HUNTER-GATHERERS
GROUP-SIZE
ARCHAEOLOGICAL RECORD
NETWORK STRUCTURE
INVENTORY SIZE
MODERN HUMANS
COMPLEXITY
TRANSMISSION
DEMOGRAPHY
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