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  Biology-culture co-evolution in finite populations

De Boer, B., & Thompson, B. (2018). Biology-culture co-evolution in finite populations. Scientific Reports, 8:. doi:10.1038/s41598-017-18928-0.

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アイテムのパーマリンク: https://hdl.handle.net/21.11116/0000-0000-42D3-7 版のパーマリンク: https://hdl.handle.net/21.11116/0000-0000-42D4-6
資料種別: 学術論文

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s41598-017-18928-0.pdf (出版社版), 2MB
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https://hdl.handle.net/21.11116/0000-0000-42D5-5
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2018
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Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Cre- ative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not per- mitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ .
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 作成者:
De Boer , Bart1, 2, 著者
Thompson, Bill1, 2, 著者           
所属:
1Language and Cognition Department, MPI for Psycholinguistics, Max Planck Society, Nijmegen, NL, ou_792548              
2Vrije Universiteit Brussel, ou_persistent22              

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 要旨: Language is the result of two concurrent evolutionary processes: Biological and cultural inheritance. An influential evolutionary hypothesis known as the moving target problem implies inherent limitations on the interactions between our two inheritance streams that result from a difference in pace: The speed of cultural evolution is thought to rule out cognitive adaptation to culturally evolving aspects of language. We examine this hypothesis formally by casting it as as a problem of adaptation in time-varying environments. We present a mathematical model of biology-culture co-evolution in finite populations: A generalisation of the Moran process, treating co-evolution as coupled non-independent Markov processes, providing a general formulation of the moving target hypothesis in precise probabilistic terms. Rapidly varying culture decreases the probability of biological adaptation. However, we show that this effect declines with population size and with stronger links between biology and culture: In realistically sized finite populations, stochastic effects can carry cognitive specialisations to fixation in the face of variable culture, especially if the effects of those specialisations are amplified through cultural evolution. These results support the view that language arises from interactions between our two major inheritance streams, rather than from one primary evolutionary process that dominates another. © 2018 The Author(s).

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言語: eng - English
 日付: 2017-12-192018-01-19
 出版の状態: オンラインで出版済み
 ページ: -
 出版情報: -
 目次: -
 査読: 査読あり
 識別子(DOI, ISBNなど): DOI: 10.1038/s41598-017-18928-0
 学位: -

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出版物 1

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出版物名: Scientific Reports
  省略形 : Sci. Rep.
種別: 学術雑誌
 著者・編者:
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出版社, 出版地: London, UK : Nature Publishing Group
ページ: - 巻号: 8 通巻号: 1209 開始・終了ページ: - 識別子(ISBN, ISSN, DOIなど): ISSN: 2045-2322
CoNE: https://pure.mpg.de/cone/journals/resource/2045-2322