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Dynamics Analysis of Firing Patterns in Pre-Botzinger Complex Neurons Model.


ABSTRACT: Pre-Bötzinger complex (PBC) neurons located in mammalian brain are the necessary conditions to produce respiratory rhythm, which has been widely verified experimentally and numerically. At present, one of the two different types of bursting mechanisms found in PBC mainly depends on the calcium-activated of non-specific cation current (I CaN ). In order to study the influence of I CaN and stimulus current I exc in PBC inspiratory neurons, a single compartment model was simplified, and firing patterns of the model was discussed by using stability theory, bifurcation analysis, fast, and slow decomposition technology combined with numerical simulation. Under the stimulation of different somatic applied currents, the firing behavior of neurons are studied and exhibit multiple mix bursting patterns, which is helpful to further understand the mechanism of respiratory rhythms of PBC neurons.

SUBMITTER: Yuan Q 

PROVIDER: S-EPMC8239244 | biostudies-literature | 2021

REPOSITORIES: biostudies-literature

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Dynamics Analysis of Firing Patterns in Pre-Bötzinger Complex Neurons Model.

Yuan Quan Q   Yuan Quan Q   Xu Jieqiong J   Chen Huiying H  

Frontiers in computational neuroscience 20210615


Pre-Bötzinger complex (PBC) neurons located in mammalian brain are the necessary conditions to produce respiratory rhythm, which has been widely verified experimentally and numerically. At present, one of the two different types of bursting mechanisms found in PBC mainly depends on the calcium-activated of non-specific cation current (<i>I</i> <sub><i>CaN</i></sub> ). In order to study the influence of <i>I</i> <sub><i>CaN</i></sub> and stimulus current <i>I</i> <sub><i>exc</i></sub> in PBC insp  ...[more]

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