What is cumulative cultural evolution?

What is cumulative cultural evolution?
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DOI:
10.1098/rspb.2018.0712
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发表时间:
2018-06-13
期刊:
Proceedings. Biological sciences
影响因子:
--
通讯作者:
Thornton A
Thornton A
中科院分区:
其他
文献类型:
--
作者:
Mesoudi A;Thornton A

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近年来,累积文化进化现象已成为生物学、心理学和人类学研究的热点。一些研究人员认为,CCE是人类独有的,是我们作为一个物种取得非凡进化成功的基础。其他人声称在非人类物种中发现了CCE。然而,其他人仍然怀疑CCE对于解释人类行为的多样性和复杂性是否重要。这些辩论受到CCE的多重且往往模糊不清的定义的阻碍。在这里,我们回顾研究人员如何定义,使用和测试CCE。我们确定了一套核心的标准CCE是必要的和充分的,并可能会发现在非人类物种。我们还确定了一组扩展的标准,观察到在人类CCE,但没有,到目前为止,在其他物种。不同的社会认知机制可能是这些不同标准的基础。我们根据这些更细粒度的标准重新解释了以前的理论模型以及对人类和非人类物种的观察和实验研究。最后,我们讨论了围绕信息,健身和认知的关键问题。我们建议研究人员更明确地说明他们正在测试和声称要证明的CCE的组成部分。
In recent years, the phenomenon of cumulative cultural evolution (CCE) has become the focus of major research interest in biology, psychology and anthropology. Some researchers argue that CCE is unique to humans and underlies our extraordinary evolutionary success as a species. Others claim to have found CCE in non-human species. Yet others remain sceptical that CCE is even important for explaining human behavioural diversity and complexity. These debates are hampered by multiple and often ambiguous definitions of CCE. Here, we review how researchers define, use and test CCE. We identify a core set of criteria for CCE which are both necessary and sufficient, and may be found in non-human species. We also identify a set of extended criteria that are observed in human CCE but not, to date, in other species. Different socio-cognitive mechanisms may underlie these different criteria. We reinterpret previous theoretical models and observational and experimental studies of both human and non-human species in light of these more fine-grained criteria. Finally, we discuss key issues surrounding information, fitness and cognition. We recommend that researchers are more explicit about what components of CCE they are testing and claiming to demonstrate.
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