8-Synaptic Transmission 2 Figs BW

Different parts of neuron have different propertiesu

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Unformatted text preview: ium channel. different parts of neuron have different properties.u dendrites pass graded potential. High [ NaV ] Weakest trigger zone 4 3 Presynaptic inhibition 1 2 Strongest Efficacy: 1 > 2 > 3 > 4 synapse's behavoral depend on what they have been doing recent history. plasticity.i Dendrites may contain voltage-gated Na+, Ca2+, and K+ channels. how synapse used in activity recently. plasticity (behavioral depend on recent history of use. brain response depend on experience). -5 types of activity-dependent synaptic plasticity. 3 on left is short-term plasticity. right is long-term. -the arrows show that when nerve is stimulated. 1. see small EPSP, then that EPSP get bigger at next stimulations. the post-synaptic response get bigger in case of repetitive stimulus. the time constant of decay is in millisecond (the effect is gone after a few mil...
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This document was uploaded on 03/09/2014 for the course EXSC 301 at USC.

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