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dc:title "HTML Summary of #2025 \n\nCell division and migration in a 'genotype' for neural networks\n\n";
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bibo:abstract "Much research has been dedicated recently to applying genetic algorithms to populations of\nneural networks. However, while in real organisms the inherited genotype maps in complex\nways into the resulting phenotype, in most of this research the development process that\ncreates the individual phenotype is ignored. In this paper we present a model of neural\ndevelopment which includes cell division and cell migration in addition to axonal growth and\nbranching. This reflects, in a very simplified way, what happens in the ontogeny of real\norganisms. The development process of our artificial organisms shows successive phases of\nfunctional differentiation and specialization. In addition, we find that mutations that affect\ndifferent phases of development have very different evolutionary consequences. A single\nchange in the early stages of cell division/migration can have huge effects on the phenotype\nwhile changes in later stages have usually a less drammatic impact. Sometimes changes that\naffect the first developental stages may be retained producing sudden changes in evolutionary\nhistory."^^xsd:string;
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bibo:volume "5";
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dct:date "1994";
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skos:prefLabel "Evolution" .
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skos:prefLabel "Computational Neuroscience" .
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foaf:familyName "Nolfi"^^xsd:string;
foaf:givenName "Stefano"^^xsd:string;
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foaf:familyName "Cangelosi"^^xsd:string;
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foaf:name "Angelo Cangelosi"^^xsd:string;
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foaf:name "Network: Computation in Neural Systems"^^xsd:string;
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