What is the approximate threshold membrane potential to trigger an action potential?
QUESTION
What are the three main mechanisms that terminate neurotransmitter signaling in a synapse?
QUESTION
What is spatial summation in synaptic integration?
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ANSWER
Summation of inputs from multiple synapses at once. Simultaneous subthreshold inputs from different presynaptic neurons integrate at the postsynaptic cell, possibly summating to threshold.