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Role of A-current in lamprey locomotor network neurons
KTH, Superseded Departments, Numerical Analysis and Computer Science, NADA.
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2003 (English)In: Neurocomputing, ISSN 0925-2312, E-ISSN 1872-8286, Vol. 52-54, 295-300 p.Article in journal (Refereed) Published
Abstract [en]

A compartmental model of lamprey central pattern generator neurons was built in order to examine the effects of a fast, transient, high-voltage-activated potassium current (A-current) found experimentally. The model consisted of a soma, a compartment corresponding to the axon initial segment, and a dendritic tree. The simulation showed that the A-current was necessary for repetitive spiking in the single neuron following current injection. The functional role of adding an A-current was also examined in a network model. In this model, the A-current stabilizes the swimming rhythm by making the burst cycle duration and the number of spikes per burst less variable. All these effects are also seen experimentally.

Place, publisher, year, edition, pages
2003. Vol. 52-54, 295-300 p.
Keyword [en]
A-current, lamprey, potassium, CPG, Hodgkin-Huxley
National Category
Computer Engineering
Identifiers
URN: urn:nbn:se:kth:diva-22590DOI: 10.1016/s0925-2312(02)00784-1ISI: 000183514300044OAI: oai:DiVA.org:kth-22590DiVA: diva2:341288
Note
QC 20100525 QC 20111229Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved
In thesis
1. Computational models of lamprey locomotor network neurons
Open this publication in new window or tab >>Computational models of lamprey locomotor network neurons
2005 (English)Licentiate thesis, comprehensive summary (Other scientific)
Place, publisher, year, edition, pages
Stockholm: KTH, 2005. 51 p.
Series
Trita-NA, ISSN 0348-2952 ; 0505
Keyword
Datorsystem, Datorsystem
National Category
Computer Engineering
Identifiers
urn:nbn:se:kth:diva-304 (URN)91-7283-971-6 (ISBN)
Presentation
2005-02-23, Sal D34, Lindstedtsvägen 5, Stockholm, 09:00
Supervisors
Note
QC 20101201Available from: 2005-07-15 Created: 2005-07-15 Last updated: 2010-12-01Bibliographically approved

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Hellgren Kotaleski, Jeanette

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