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A combined neuronal and mechanical model of fish swimming
KTH, Superseded Departments, Numerical Analysis and Computer Science, NADA.ORCID iD: 0000-0002-2792-1622
1993 (English)In: Biological Cybernetics, ISSN 0340-1200, E-ISSN 1432-0770, Vol. 69, no 5-6, 363-374 p.Article in journal (Refereed) Published
Abstract [en]

A simulated neural network has been connected to a simulated mechanical environment. The network is based on a model of the spinal central pattern generator producing rhythmic swimming movements in the lamprey and the model is similar to that used in earlier simulations of fictive swimming. Here, the network has been extended with a model of how motoneuron activity is transformed via the muscles to mechanical forces. Further, these forces are used in a two-dimensional mechanical model including interaction with the surrounding water, giving the movements of the different parts of the body. Finally, these movements are fed back through stretch receptors interacting with the central pattern generator. The combined model provides a platform for various simulation experiments relating the currently known neural properties and connectivity to the behavior of the animal in vivo. By varying a small set of parameters, corresponding to brainstem input to the spinal network, a variety of basic locomotor behaviors, like swimming at different speeds and turning can be produced. This paper describes the combined model and its basic properties.

Place, publisher, year, edition, pages
1993. Vol. 69, no 5-6, 363-374 p.
National Category
Bioinformatics (Computational Biology)
Identifiers
URN: urn:nbn:se:kth:diva-39080DOI: 10.1007/BF00199436ISI: A1993MD89500002OAI: oai:DiVA.org:kth-39080DiVA: diva2:439469
Available from: 2011-09-07 Created: 2011-09-07 Last updated: 2017-12-08Bibliographically approved

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Ekeberg, Örjan

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