Self-replicating artificial neural networks give rise to universal evolutionary dynamics.

In evolutionary models, mutations are exogenously introduced by the modeler, rather than endogenously introduced by the replicator itself. We present a new deep-learning based computational model, the self-replicating artificial neural network (SeRANN). We train it to (i) copy its own genotype, like...

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Main Authors: Boaz Shvartzman, Yoav Ram
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2024-03-01
Series:PLoS Computational Biology
Online Access:https://journals.plos.org/ploscompbiol/article/file?id=10.1371/journal.pcbi.1012004&type=printable
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author Boaz Shvartzman
Yoav Ram
author_facet Boaz Shvartzman
Yoav Ram
author_sort Boaz Shvartzman
collection DOAJ
description In evolutionary models, mutations are exogenously introduced by the modeler, rather than endogenously introduced by the replicator itself. We present a new deep-learning based computational model, the self-replicating artificial neural network (SeRANN). We train it to (i) copy its own genotype, like a biological organism, which introduces endogenous spontaneous mutations; and (ii) simultaneously perform a classification task that determines its fertility. Evolving 1,000 SeRANNs for 6,000 generations, we observed various evolutionary phenomena such as adaptation, clonal interference, epistasis, and evolution of both the mutation rate and the distribution of fitness effects of new mutations. Our results demonstrate that universal evolutionary phenomena can naturally emerge in a self-replicator model when both selection and mutation are implicit and endogenous. We therefore suggest that SeRANN can be applied to explore and test various evolutionary dynamics and hypotheses.
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spelling doaj.art-ecba205b380c464ea84507d3223eba3c2024-04-13T05:30:42ZengPublic Library of Science (PLoS)PLoS Computational Biology1553-734X1553-73582024-03-01203e101200410.1371/journal.pcbi.1012004Self-replicating artificial neural networks give rise to universal evolutionary dynamics.Boaz ShvartzmanYoav RamIn evolutionary models, mutations are exogenously introduced by the modeler, rather than endogenously introduced by the replicator itself. We present a new deep-learning based computational model, the self-replicating artificial neural network (SeRANN). We train it to (i) copy its own genotype, like a biological organism, which introduces endogenous spontaneous mutations; and (ii) simultaneously perform a classification task that determines its fertility. Evolving 1,000 SeRANNs for 6,000 generations, we observed various evolutionary phenomena such as adaptation, clonal interference, epistasis, and evolution of both the mutation rate and the distribution of fitness effects of new mutations. Our results demonstrate that universal evolutionary phenomena can naturally emerge in a self-replicator model when both selection and mutation are implicit and endogenous. We therefore suggest that SeRANN can be applied to explore and test various evolutionary dynamics and hypotheses.https://journals.plos.org/ploscompbiol/article/file?id=10.1371/journal.pcbi.1012004&type=printable
spellingShingle Boaz Shvartzman
Yoav Ram
Self-replicating artificial neural networks give rise to universal evolutionary dynamics.
PLoS Computational Biology
title Self-replicating artificial neural networks give rise to universal evolutionary dynamics.
title_full Self-replicating artificial neural networks give rise to universal evolutionary dynamics.
title_fullStr Self-replicating artificial neural networks give rise to universal evolutionary dynamics.
title_full_unstemmed Self-replicating artificial neural networks give rise to universal evolutionary dynamics.
title_short Self-replicating artificial neural networks give rise to universal evolutionary dynamics.
title_sort self replicating artificial neural networks give rise to universal evolutionary dynamics
url https://journals.plos.org/ploscompbiol/article/file?id=10.1371/journal.pcbi.1012004&type=printable
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