What Is Presynaptic Facilitation?

What Is Presynaptic Facilitation? An increase in the effect of a presynaptic neuron on a postsynaptic neuron caused by a third neuron that makes an axoaxonic synapse with the presynaptic neuron near its terminal bouton. From: presynaptic facilitation in A Dictionary of Psychology » How does synaptic facilitation occur? Synaptic facilitation, which is a transient