[Neuroscience] capacitive membrane current and ionic current in
(by reza_rzm from yahoo.com)
Fri Jul 30 10:38:49 EST 2010
dose anybody can give me a help to understand what people mean by "
...capacitive membrane current is larger than ionic membrane current at the interesting neurobiology frequency..."
what i understand from HH type of equation (cdv/dt=ionic_current+leak_current+Isyn+Iinj),
capacitive current defined as cdv/dt and ionic current is G*(Erev-V). am i right? then independent of frequency capacitive current should be larger than total ionic current! or
dose capacitive current have another interpretation? or we have to use another formula?
thanks in advance
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