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Properties of Graded and Action Potentials
11. Nervous Tissue and Nervous System / Properties of Graded and Action Potentials / Problem 1

The Excitatory Postsynaptic Potential (EPSP) refers to a small depolarization of the postsynaptic membrane potential that occurs when an excitatory neurotransmitter binds to its receptor on the postsynaptic neuron. What happens when the EPSP is strong enough to reach the threshold?

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