Cable theory

（重定向自Cable equation）

Classical cable theory uses mathematical models to calculate the electric current (and accompanying voltage) along passive neurites, particularly the dendrites that receive synaptic inputs at different sites and times. Estimates are made by modeling dendrites and axons as cylinders composed of segments with capacitances $c_m$ and resistances $r_m$ combined in parallel (see Fig. 1). The capacitance of a neuronal fiber comes about because electrostatic forces are acting through the very thin lipid bilayer (see Figure 2). The resistance in series along the fiber $r_l$ is due to the axoplasm's significant resistance to movement of electric charge.

单词	Cable equation
释义	Cable equation 英语百科 Cable theory （重定向自Cable equation） Classical cable theory uses mathematical models to calculate the electric current (and accompanying voltage) along passive neurites, particularly the dendrites that receive synaptic inputs at different sites and times. Estimates are made by modeling dendrites and axons as cylinders composed of segments with capacitances $c_m$ and resistances $r_m$ combined in parallel (see Fig. 1). The capacitance of a neuronal fiber comes about because electrostatic forces are acting through the very thin lipid bilayer (see Figure 2). The resistance in series along the fiber $r_l$ is due to the axoplasm's significant resistance to movement of electric charge.
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