Various Firing Patterns Found in a Giant Neuron of the Pond Snail Lymnaea stagnalis and Their Dynamics
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概要
- 論文の詳細を見る
In order to understand the function of the nervous system, it is important to elucidate the characteristics of complex activities of individual neurons. In the present study, we therefore examined firing patterns of the central giant neuron of the pond snail Lymnaea stagnalis by intracellular recording. Interestingly, they differed among individuals. In a series of firing patterns, the neuron revealed the transition from the beating discharge to the regular bursting discharges when the depolarizing current was injected. In another series of firing patterns, the neuron revealed quite different and more complex activities, in which a regular bursting switched irregularly to another bursting state. The Poincaré map obtained from the reconstructed attractor showed the switching dynamics between two bursting states. The present results showed a variety of possible activities of the neuron and the different firing dynamics among individuals.
- 2013-03-15
著者
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Saito Minoru
Department Of Agricultural Engineering Faculty Of Agriculture Kagawa University
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Hosoi Makoto
Department of Correlative Study in Physics and Chemistry, Graduate School of Integrated Basic Sciences, Nihon University, Setagaya, Tokyo 156-8550, Japan
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Hamasaki Yuuta
Department of Correlative Study in Physics and Chemistry, Graduate School of Integrated Basic Sciences, Nihon University, Setagaya, Tokyo 156-8550, Japan
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Nakada Shogo
Department of Correlative Study in Physics and Chemistry, Graduate School of Integrated Basic Sciences, Nihon University, Setagaya, Tokyo 156-8550, Japan
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