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Problems with myelin theory

Jeremy Leipzig jeremyl at mindspring.com
Sat Feb 14 23:42:09 EST 1998

Richard Norman wrote:

> There is no such thing as capacitance at "this point" as opposed to
> capacitance at "an adjacent point".  The axon is an electrical cable
> with transmembrane resistance and capacitance.  Calculate the space
> constant of the cable.  Then the resistance or capacitance measured at
> one point, say at a node, is no different from the resistance or
> capacitance
> measured at a different point, say under the myelin, provided the two
> points are separated by a fraction of the space constant.

ahh, yes, I did not understand that the capacitance was delocalized in
that manner.

Thank you.

Jeremy Leipzig

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