current sinks and sources in hippocampal neurons (correction)

[William Calvin]

venk at stein.u.washington.edu (Venkatesh Murthy) writes:
>                      soma

>>currents are dominant at the soma (if not by density of channels, by 
>>sheer number).  So, your recording electrode is seeing a sink and it 
>>records a "negative" potential.  
>>
>>Can someone else confirm or refute this?  Bill Calvin, maybe?

The classic paper on this is by Spencer and Kandel in 1961, in the Journal
of Neurophysiology.  Sorry, but I'm traveling and can't look it up.
    William H. Calvin   WCalvin at U.Washington.edu