Depolarization refers to the reduction in the level of polarization across a membrane; when the inside of a neuron becomes more positive, as occurs during the initial phases of the action potential. Depolarization is usually associated with the action of excitatory neurotransmitters .

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EPSP (Excitatory post-synaptic potential) at■■■■■■
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Excitatory transmitter at■■■■■■
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Excitatory postsynaptic potential (EPSP) at■■■■■
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EPSP (Excitatory postsynaptic potential) at■■■■■
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Action potential at■■■■■
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Glutamate at■■■■
glutamate refers to Amino acid neurotransmitter that excites many different neurons, leading to action . . . Read More