WEBVTT

1
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In our third drug, it actually impacts the presynaptic neuron.

2
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In most neurons, when they release the neurotransmitter, they bind to the postsynaptic neuron, and then release from the receptor.

3
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In many kinds of neurons, the neurotransmitter is then taken back up by the presynaptic neuron.

4
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But when this drug is present, the neurons are not taken back up by the presynaptic neuron, they stay in the gap and may even bind again.

5
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The synapse becomes more active.