local circuit theory

local circuit theory
in neurophysiology, the theory that current flows from the unstimulated, positively charged areas of the cell membrane of a neuron to the stimulated, depolarized or negative portion, and that as each new area becomes depolarized or negative, it in turn acts as the sink toward which the current flows from the adjacent area, which results in progressive depolarization, or reversal charge, along the neuron from the point of stimulation; the source of the current is the flow of Na+ into the cell.

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