Evolving Behavioural Choice: An Investigation into Herrnstein's Matching Law

  • Authors:
  • Anil K. Seth

  • Affiliations:
  • -

  • Venue:
  • ECAL '99 Proceedings of the 5th European Conference on Advances in Artificial Life
  • Year:
  • 1999

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Abstract

In 1961, Herrnstein [4] famously observed tliat many animals match the frequency of their response to different stimuli in proportion to the reinforcement obtained from each stimulus type. Since then, a great deal of research has attempted to elucidate the mechanisms underlying this "matching law", so far without a clear consensus emerging. Here, we take the view that "choice behaviour" is a product of agent, environment, and observer, and that "mechanisms of choice" are therefore not to be located solely within the chooser. A simple model, employing the novel methodology of evolving choice behaviour in a multi-agent system, is used to demonstrate that matching behaviour can occur (in stable environments) without any dedicated choice mechanism.