A behavior-based model of the hydra, phylum Cnidaria

Authors:
Malin Aktius;Mats Nordahl;Tom Ziemke
Affiliations:
University of Skövde, School of Humanities and Informatics, Skövde, Sweden;Department of Applied Information Technology, Göteborg University and Chalmers University of Technology, Göteborg, Sweden;University of Skövde, School of Humanities and Informatics, Skövde, Sweden
Venue:
ECAL'07 Proceedings of the 9th European conference on Advances in artificial life
Year:
2007

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Abstract

Behavior-based artificial systems, e.g. mobile robots, are frequently designed using (various degrees and levels of) biology as inspiration, but rarely modeled based on actual quantitative empirical data. This paper presents a data-driven behavior-based model of a simple biological organism, the hydra. Four constituent behaviors were implemented in a simulated animal, and the overall behavior organization was accomplished using a colony-style architecture (CSA). The results indicate that the CSA, using a priority-based behavioral hierarchy suggested in the literature, can be used to model behavioral properties like latency, activation threshold, habituation, and duration of the individual behaviors of the hydra. Limitations of this behavior-based approach are also discussed.