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Related Experiment Videos

On meme--gene coevolution.

L Bull1, O Holland, S Blackmore

  • 1Faculty of Computer Studies and Mathematics, University of the West of England, Bristol BS16 1QY, UK. larry@ics.uwe.ac.uk

Artificial Life
|February 27, 2001
PubMed
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Memes can negatively impact gene evolution, especially when meme evolution outpaces gene evolution. Genes may struggle to adapt if they cannot effectively select against detrimental meme-driven changes.

Area of Science:

  • Evolutionary biology
  • Theoretical biology
  • Complex systems

Background:

  • Genes are the primary replicators driving biological evolution.
  • Memes, as cultural replicators, can also influence evolutionary dynamics.
  • The coevolutionary relationship between genes and memes is not fully understood.

Purpose of the Study:

  • To investigate the impact of meme evolution on gene evolution.
  • To model the coevolutionary dynamics between genes and memes using a tunable system.
  • To analyze how varying rates of meme evolution affect gene evolution under different interdependence levels.

Main Methods:

  • Utilized a modified NKCS (N, K, C, S) model to simulate coevolution.
  • Adjusted the rate of meme evolution relative to gene evolution.

Related Experiment Videos

  • Varied the degree of interdependence between genes and memes.

    • Main Results:

    • Increased meme evolution rates led to a phase transition, detrimentally affecting gene evolution and often halting it.
    • Memes significantly benefited from increased evolution rates.
    • Genes experienced severe negative impacts if they could not effectively select against detrimental meme-driven evolutionary steps.

    Conclusions:

    • Rapid meme evolution can disrupt and cease effective gene evolution, particularly with high interdependence.
    • Genes require strong selective capabilities to mitigate the negative effects of meme evolution.
    • The study highlights the complex interplay and potential conflicts in the coevolution of genetic and memetic replicators.