Spatial summation is characterized by:

a. several presynaptic neurons releasing neurotransmitter simultaneously.
b. several presynaptic neurons releasing neurotransmitter in a sequential pattern.
c. several postsynaptic neurons receive sequential inputs from several presynaptic neurons.
d. a single presynaptic neuron firing multiple times in rapid succession.
e. a single presynaptic neuron directly contacting several postsynaptic neurons.


a

Biology & Microbiology

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