A Model for the Dynamic Interaction Between Evolution and Learning

  • Authors:
  • Bernhard Sendhoff;Martin Kreutz

  • Affiliations:
  • Institut für Neuroinformatik, Ruhr-Universitäat Bochum, D–44780 Bochum, Germany, e-mail: bs@neuroinformatik.ruhr-uni-bochum.de;Institut für Neuroinformatik, Ruhr-Universitäat Bochum, D–44780 Bochum, Germany, e-mail: bs@neuroinformatik.ruhr-uni-bochum.de

  • Venue:
  • Neural Processing Letters
  • Year:
  • 1999

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Abstract

The interaction between learning and evolution has elicited muchinterest particularly among researchers who use evolutionaryalgorithms for the optimization of neural structures. In this article,we will propose an extension of the existing models by including adevelopmental phase – a growth process – of the neural network. In thisway, we are able to examine the dynamical interaction betweengenetic information and information learned duringdevelopment. Several measures are proposed to quantitatively examinethe benefits and the effects of such an overlap between learning andevolution. The proposed model, which is based on the recursiveencoding method for structure optimization of neural networks, isapplied to the problem domain of time series prediction. Furthermore,comments are made on problem domains which associate growingnetworks (size) during development with problems of increasing complexity.