Richard Norman <rsnorman at mediaone.net> wrote:
> And don't even think about a synapse that actually DEcreases ion
Well, but there are synapses that do so indirectly: an axon terminal may
release a transmitter that binds to a postsynaptic receptor that via a
G-protein in the membrane induces closure of a K+ channel, which is a
depolarizing, i.e. excitatory action.