Summation at synapses


Summation at synapses-

If a stimulus is weak, only a small amount of neurotransmitter will be released from a neurone into the synaptic cleft. 

This might not be enough to excite the postsynaptic membrane to the threshold level and stimulate an action potential. 

What is summation?

Summation is where the effect of neurotransmitters released from many neurones is added together. It means synapses accurately process information, finely tuning the response. There are two…


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