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The revival of the Baldwin effect

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  • José F. Fontanari

    (Instituto de Física de São Carlos, Universidade de São Paulo)

  • Mauro Santos

    (Departament de Genètica i de Microbiologia, Grup de Genòmica, Bioinformàtica i Biologia Evolutiva (GGBE), Universitat Autonòma de Barcelona)

Abstract

The idea that a genetically fixed behavior evolved from the once differential learning ability of individuals that performed the behavior is known as the Baldwin effect. A highly influential paper [G.E. Hinton, S.J. Nowlan, Complex Syst. 1, 495 (1987)] claimed that this effect can be observed in silico, but here we argue that what was actually shown is that the learning ability is easily selected for. Then we demonstrate the Baldwin effect to happen in the in silico scenario by estimating the probability and waiting times for the learned behavior to become innate. Depending on parameter values, we find that learning can increase the chance of fixation of the learned behavior by several orders of magnitude compared with the non-learning situation.

Suggested Citation

  • José F. Fontanari & Mauro Santos, 2017. "The revival of the Baldwin effect," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 90(10), pages 1-6, October.
    • Handle: RePEc:spr:eurphb:v:90:y:2017:i:10:d:10.1140_epjb_e2017-80409-8
    DOI: 10.1140/epjb/e2017-80409-8
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    Statistical and Nonlinear Physics;

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