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Erschienen in:
2010 | OriginalPaper | Buchkapitel
1. The Hodgkin–Huxley Equations
verfasst von : G. Bard Ermentrout, David H. Terman
Erschienen in: Mathematical Foundations of Neuroscience
Verlag: Springer New York
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Abstract
All living cells have an electrical voltage, or potential difference, between their inside and outside. Since the cell’s membrane is what separates the inside from the outside, this potential difference is referred to as the membrane potential. In mathematical terms, the membrane potential V
M is defined as where V
in is the potential on the inside of the cell and V
out is the potential on the outside. This will change during an action potential, for example.
$${V }_{\mathrm{M}} = {V }_{\mathrm{in}} - {V }_{\mathrm{out}},$$