Classical Descriptions Of The Action Potential

A. Electrochemical Potentials and Voltage-Dependent Membrane Conductances

Changes in electrical potential in excitable cells are driven by movement of ions through ion-specific membrane conductances. For a perfectly specific conductance G, the current across the membrane I = G x (Vm— Vn), where Vm is the electrical potential across the membrane and Vn is the equilibrium potential for the ion, given by the Nernst equation:

Conquering Fear In The 21th Century

Conquering Fear In The 21th Century

The Ultimate Guide To Overcoming Fear And Getting Breakthroughs. Fear is without doubt among the strongest and most influential emotional responses we have, and it may act as both a protective and destructive force depending upon the situation.

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