Model of traveling waves in a coral nerve network.

Model of traveling waves in a coral nerve network. Research Abstract Details 

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Model of traveling waves in a coral nerve network. Abstract Text:

Eugenia Chen,Klaus M Stiefel,Terrence J Sejnowski,Theodore H Bullock,

Coral polyps contract when electrically stimulated and a wave of contraction travels from the site of stimulation at a constant speed. Models of coral nerve networks were optimized to match one of three different experimentally observed behaviors. To search for model parameters that reproduce the experimental observations, we applied genetic algorithms to increasingly more complex models of a coral nerve net. In a first stage of optimization, individual neurons responded with spikes to multiple, but not single pulses of activation. In a second stage, we used these neurons as the starting point for the optimization of a two-dimensional nerve net. This strategy yielded a network with parameters that reproduced the experimentally observed spread of excitation.

Model of traveling waves in a coral nerve network. Publishing Authors By Initials

E Chen,KM Stiefel,TJ Sejnowski,TH Bullock,

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Model of traveling waves in a coral nerve network. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of comparative physiology. A, Neuroetholog

VOLUME: 194

Page Numbers: 195-200

Journal Abbreviation: J. Comp. Physiol. A Neuroethol

ISSN: 0340-7594

DAY: 29

MONTH: 01

YEAR: 2008

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LANGUAGE: eng

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AFFILIATION: Computational Neurobiology Laboratory and Howard Hughes Medical Institute, The Salk Institute for Biological Studies, La Jolla, CA, 92037, USA, echen@salk.edu.

Country: Germany

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MEDLINETA: J Comp Physiol A Neuroethol Se

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