Automatically assigned DDC number: 570113

Manually assigned DDC number: 00631

Title: Effect of Environmental Structure on Evolutionary Adaptation




Subject: Jeffrey A. Fletcher,Mark A. Bedau,Martin Zwick Effect of Environmental Structure on Evolutionary Adaptation

Description: This paper investigates how environmental structure, given the innate properties of a population, affects the degree to which this population can adapt to the environment. The model we explore involves simple agents in a 2-d world which can sense a local food distribution and, as specified by their genomes, move to a new location and ingest the food there. Adaptation in this model consists of improving the genomic sensorimotor mapping so as to maximally exploit the environmental resources. We vary environmental structure to see its specific effect on adaptive success. In our investigation, two properties of environmental structure, conditioned by the sensorimotor capacities of the agents, have emerged as significant factors in determining adaptive success: (1) the information content of the environment which quantifies the diversity of conditions sensed, and (2) the expected utility for optimal action. These correspond to the syntactic and pragmatic aspects of environmental information...

Contributor: The Pennsylvania State University CiteSeer Archives

Publisher: unknown

Date: 1998-03-14

Pubyear: 0

Format: ps



Language: en

Rights: unrestricted


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