How creative should creators be to optimize the evolution of ideas? A computational model

Stefan Leijnen, Liane Gabora

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

There are both benefits and drawbacks to creativity. In a social group it is not necessary for all
members to be creative to benefit from creativity; some merely imitate or enjoy the fruits of others'
creative efforts. What proportion should be creative? This paper outlines investigations of this question
carried out using a computer model of cultural evolution referred to as EVOC (for EVOlution
of Culture). EVOC is composed of neural network based agents that evolve fitter ideas for actions
by (1) inventing new ideas through modification of existing ones, and (2) imitating neighbors' ideas.
The ideal proportion with respect to fitness of ideas occurs when thirty to forty percent of the individuals
is creative; yet when creative agents innovate half of the time or less, this proportion grows
to a hundred percent. For all levels or creativity, the diversity of ideas in a population is positively
correlated with the ratio of creative agents.
Original languageEnglish
Pages (from-to)108-119
Number of pages12
JournalElectronic Proceedings in Theoretical Computer Science
Volume9
Publication statusPublished - 2009

Keywords

  • computational model
  • creativity
  • optimize

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