Action Potentials 3 Animals 3 Electric Stimulation 3 Electrical rectification 3 Feedback 3 Ganglia, Invertebrate 3 Gap Junctions 3 Gap junctions 3 Leech 3 Leeches 3 Membrane Potentials Motor Neurons 3 Motor control 3 Nerve Net 3 Neural Inhibition 3 Neural Pathways 3 Nonspiking 3 Rectifying electrical synapses 3 Synapses 3 Synaptic Transmission 3 animal cell 3 animal tissue 3 article 3 cell synchronization 3 controlled study 3 depolarization 3 excitatory junction potential 3 feedback system 3 ganglion 3 gap junction 3