Reference : Standing waves in the FitzHugh-Nagumo model of cardiac electrical activity.
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Multidisciplinary, general & others
http://hdl.handle.net/2268/29037
Standing waves in the FitzHugh-Nagumo model of cardiac electrical activity.
English
Dauby, Pierre mailto [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Thermodynamique des phénomènes irréversibles >]
Desaive, Thomas mailto [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Thermodynamique des phénomènes irréversibles - Département d'astrophys., géophysique et océanographie (AGO) >]
Croisier, H. [> > > >]
Kolh, Philippe mailto [Université de Liège - ULG > Département des Sciences biomédicales et précliniques > Service de Biochimie et Physiologie humaines, normale et pathologique > >]
2006
Physical Review. E : Statistical, Nonlinear, and Soft Matter Physics
American Physical Society
73
2 Pt 1
021908
International
1539-3755
College Park
MD
[en] Action Potentials/physiology ; Animals ; Biological Clocks/physiology ; Computer Simulation ; Heart Conduction System/physiology ; Humans ; Models, Cardiovascular ; Myocytes, Cardiac/physiology ; Synaptic Transmission/physiology
[en] When excitable media are submitted to appropriate time dependent boundary conditions, a standing wavelike pattern can be observed in the system, as shown in recent experiments. In the present analysis, the physical mechanism explaining the occurrence of such space-time patterns is shown to be a competition between Ohmic diffusion and an action potential propagation across the system, coupled with the existence of refractory states for excitable media.
http://hdl.handle.net/2268/29037

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