Language evolution as a Darwinian process: computational studies |
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Authors: | Pierre-Yves Oudeyer Frédéric Kaplan |
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Institution: | (1) Sony Computer Science Laboratory Paris, Paris, France;(2) Ecole Polytechnique Federale de Lausanne, CRAFT, Lausanne, Switzerland |
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Abstract: | This paper presents computational experiments that illustrate how one can precisely conceptualize language evolution as a
Darwinian process. We show that there is potentially a wide diversity of replicating units and replication mechanisms involved
in language evolution. Computational experiments allow us to study systemic properties coming out of populations of linguistic
replicators: linguistic replicators can adapt to specific external environments; they evolve under the pressure of the cognitive
constraints of their hosts, as well as under the functional pressure of communication for which they are used; one can observe
neutral drift; coalitions of replicators may appear, forming higher level groups which can themselves become subject to competition
and selection.
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Keywords: | Language evolution Language change Darwinian evolution Genes Memes Replicators Learning bias Functional pressure Self-organization |
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