The frequency of action potentials in a postsynaptic cell is directly related to the degree of postsynaptic depolarization of the cell.

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When a postsynaptic cell is depolarized, it becomes more likely to generate an action potential. The frequency of action potentials in the postsynaptic cell is directly related to the degree of depolarization, meaning that the more depolarized the cell is, the more frequent action potentials will be generated. This is known as the "all-or-none" principle of neuronal firing.

The Frequency of Action Potentials in a Postsynaptic Cell Is