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Paper at a Glance

The Emergence of Communication
through Synthetic Evolution \Lambda
Technical Report UT­CS­99­431
Bruce J. MacLennan
Computer Science Department
University of Tennessee, Knoxville
maclennan@cs.utk.edu
October 20, 1999

Abstract We describe four series of experiments to study the emergence of inherently meaningful communication by synthetic evolution in a population of artificial agents, which are controlled either by finite state machines or by neural net­ works. We found that the agents can evolve the ability to use single symbols and, to a limited extent, pairs of symbols exhibiting rudimentary syntax. We show that the communication system evolved by the population can be studied in its own right as an evolving emergent phenomenon, and that the emergent communication systems exhibit some of the richness of natural communication.
1 Introduction This article describes a series of experiments to study the emergence of inherently meaningful communication by synthetic evolution in a population of artificial agents. By ``inherently meaningful'' we mean that the communication is meaningful and rel­ evant to the agents themselves, independent and regardless of any meanings we (as observers) may attribute to the communications. (We discuss elsewhere [7, 13] the rel­ evance to the study of intrinsic intensionality of these experimental techniques, which \Lambda To appear in Advances in Evolutionary Synthesis of Neural Systems, edited by Vasant Honavar, Mukesh Patel, and Karthik Balakrishnan (MIT Press). 1  we call synthetic ethology.) Briefly, we may say that communication is inherently meaningful if it has some actual or potential relevance to the agents. However, Burghardt [1] has defined communication as ``the phenomenon of one organism producing a signal that, when responded to by another organism, confers some advantage (or the statistical probability of it) to the signaler or his group.'' Therefore communication acquires its primary, natural meaning through the ...

@techreport{maclennan99theEmergence,
  author={B. MacLennan},
  title={The Emergence of Communication through Synthetic Evolution},
  year={1999},
  month={October 20},
  institution={},
  note={To appear in Advances in Evolutionary Synthesis of Neural Systems, edited by Vasant Honavar, Mukesh Patel, and Karthik Balakrishnan - MIT Press},
  url={http://www.isrl.uiuc.edu/~amag/langev/paper/maclennan99theEmergence.html}
}

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