Postsynaptic current bursts instruct action potential firing at a graded synapse.

Abstract excerpt

Nematode neurons generally produce graded potentials instead of action potentials. It is unclear how the graded potentials control postsynaptic cells under physiological conditions. Here we show that postsynaptic currents frequently occur in bursts at the neuromuscular junction of Caenorhabditis elegans. Cholinergic bursts concur with facilitated action potential firing, elevated cytosolic [Ca(2+)] and...

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