A Spatially-Ordered Pacemaker Observed in Squid Giant Axons
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概要
- 論文の詳細を見る
It was both theoretically and experimentally demonstrated that a spatially-orderedpacemaker generating action potentials at a constant rhythm was formed at a restrictedregion on the squid giant axon in the state of self-sustained oscillation of the actionpotentials. The dynamics of the Hodgkin-Huxley equations with one-dimensionaldiffusion were analysed to study the spatially-ordered pacemaker under the followingconditions; (l ) the rate constants of sodium activation and inactivation, and potassiumactivation changed with the effective calcium concentration in the external medium,according to Frankenhaeuser and Hodgkin (J. Physiol. 137 (1957) 218), and (2) themembrane potentials at both ends of the axon were fixed to be zero.These experiments and calculation show that the repetitive firing state is spatiallywell organized and integrated, and that it could be called as the dissipative structure ofGlansdorff and Prigogine macroscopically
- 社団法人日本物理学会の論文
- 1982-03-15
著者
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MATSUMOTO Gen
Electrotechnical Laboratory
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UTSUNOMIYA Toshio
Department of electrical Engineering, The National Defense Academy
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Aihara Kazuyuki
Department Of Complex Science And Engineering Graduate School Of Frontier Science University Of Toky
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Aihara Kazuyuki
Department Of Electronic Engineering Faculty Of Engineering The University Of Tokyo
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Matsumoto Gen
Electrotechnical Laboratory Optoelectronics Section Tsukuba Science City
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Utsunomiya Toshio
Department Of Electrical Engineering National Defense Academy
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Utsunomiya Toshio
Department Of Electronic Engineering Faculty Of Engineering The University Of Tokyo
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UTSUNOMIYA Toshio
Department of Communication Engineering, National Defense Academy
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