"Associativity" in the Hebbian synapse refers to the
A. use of the same type of neurotransmitter in both the pre- and postsynaptic neurons.
B. simultaneous activity of several synapses on the same postsynaptic neuron.
C. nearly simultaneous activity of the pre- and postsynaptic neurons.
D. ability of the postsynaptic cell to use retrograde messengers such as nitric oxide (NO) to communicate with the presynaptic cell.
Answer: C
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