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Neuron Transmission

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Hi-Please explain...A neuron with several hundred axon terminals synapsing on it and the majority are firing. The neuron in question though is not transmitting an impulse-why and when would this occur?

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Solution Summary

When and why a neuron may not transmit, even though it is receiving hundreds of transmissions, is explained.

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Not all neurons release excitatory neurotransmitters. Some release inhibitory neurotransmitters (such as GABA and glycine). And together, when several hundred axon terminals are synapsing on one neuron, all the effects (the excitatory and the inhibitory ones) must be summed.

When excitatory neurotransmitters interact with their target ...

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