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Erschienen in:
The Hodgkin–Huxley Equations Kapitel lesen Erstes Kapitel lesen

2010 | OriginalPaper | Buchkapitel

4. The Variety of Channels

verfasst von : G. Bard Ermentrout, David H. Terman

Erschienen in: Mathematical Foundations of Neuroscience

Verlag: Springer New York

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Abstract

We have discussed several types of active (voltage-gated) channels for specific neuron models. The Hodgkin–Huxley model for the squid axon consisted of three different ion channels: a passive leak, a transient sodium channel, and the delayed rectifier potassium channel. Similarly, the Morris–Lecar model has a delayed rectifier and a simple calcium channel (with no dynamics). Hodgkin and Huxley were smart and supremely lucky that they used the squid axon as a model to analyze the action potential, as it turns out that most neurons have dozens of different ion channels. In this chapter, we briefly describe a number of them, provide some instances of their formulas, and describe how they influence a cell’s firing properties. The reader who is interested in finding out about other channels and other models for the channels described here should consult http://senselab.med.yale.edu/modeldb/default.asp, which is a database for neural models.

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Vorheriges Kapitel Dynamics
Nächstes Kapitel Bursting Oscillations
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Metadaten
Titel
The Variety of Channels
verfasst von
G. Bard Ermentrout
David H. Terman
Copyright-Jahr
2010
Verlag
Springer New York
Buch
Mathematical Foundations of Neuroscience

Print ISBN: 978-0-387-87707-5

Electronic ISBN: 978-0-387-87708-2

Copyright-Jahr: 2010

DOI
https://doi.org/10.1007/978-0-387-87708-2_4