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In this paper the problem of signal propagation in nerve fiber is considered. Ohm losses and heat processes were taken
into account. These permit to combine the two stages (metabolic and non-metabolic) of propagation and Na+ and K+ ions
transmission through cell membrane due propagation. Electrodynamics of nerve fiber with losses is described by telegraph
equations. Heat processes in fiber are described by an equation of entropy transfer. Ion motion at metabolic stage
against the electro-chemical potential is described by negative conductance, responsible for the escape flow. The running-
wave-type solutions of these equations are studied. An integral and an explicit solution of the given system are obtained.
The solution represented by a series of quasi-harmonic pulses is investigated numerically. This proves the applicability
of telegraph equation to the problem considered. Different types of solitary waves corresponding to various types
of conductivity are also investigated.
Yuriy N. Zayko
"Signal propagation in nerve fiber", Proc. SPIE 6535, Saratov Fall Meeting 2006: Optical Technologies in Biophysics and Medicine VIII, 653517 (26 April 2007); https://doi.org/10.1117/12.740976
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Yuriy N. Zayko, "Signal propagation in nerve fiber," Proc. SPIE 6535, Saratov Fall Meeting 2006: Optical Technologies in Biophysics and Medicine VIII, 653517 (26 April 2007); https://doi.org/10.1117/12.740976