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单词 Bursting
释义

bursting


In neuroscience, bursting denotes two or more action potentials (spikes) fired by a neuron, followed by a period of quiescence. A burst of two spikes is called a doublet, three spikes - triplet, four - quadruplet, etc.

Most mathematical models of bursting can be written in the singularly perturbed form

x˙=f(x,y)(fast spiking)y˙=μg(x,y)(slow modulation)

where xn is the fast variable that simulates fast spiking of the neuron, and ym is the slow variable that modulates such spiking activity.

A topological classification of bursters relies on the bifurcationsMathworldPlanetmath of the fast subsystem (variable x) when the slow subsystem (variable y) is treated as a parameter.

References

  • iz Izhikevich E.M. (2007) Dynamical SystemsMathworldPlanetmathPlanetmath in Neuroscience: The Geometry of Excitability and Bursting. The MIT Press.
  • izb Eugene M. Izhikevich (2006) Bursting. Scholarpedia, p.1401 (available online at http://www.scholarpedia.org/article/Bursting).
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更新时间:2025/5/4 6:11:28