All animals have synapses {electrical synapse} {gap junction, synapse} that use ion flows in one direction and are excitatory or inhibitory [Beierlein et al., 2000] [Blatow, 2003] [Gibson et al., 1999].
function
Electrical synapses make adjacent cells fire at same time. Cortex interneuron groups link by electrical synapses and can act together to inhibit.
comparison
Electrical synapses are faster but less efficient than chemical synapses, with signal one-quarter original signal. For example, if presynaptic membrane is 100 mV, post-synaptic membrane is 25 mV.
properties
Electrical synapses cannot have facilitation and do not change shape.
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Date Modified: 2022.0224