Dendro-dendritic synaptic circuit (Shepherd Brayton 1979)

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Accession:144385
A NEURON simulation has been created to model the passive spread of an EPSP from a mitral cell synapse on a granule cell spine. The EPSP was shown to propagate subthreshold through the dendritic shaft into an adjacent spine with significant amplitude (figure 2B).
Reference:
1 . Shepherd GM, Brayton RK (1979) Computer simulation of a dendrodendritic synaptic circuit for self- and lateral-inhibition in the olfactory bulb. Brain Res 175:377-82 [PubMed]
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Model Information (Click on a link to find other models with that property)
Model Type: Dendrite;
Brain Region(s)/Organism:
Cell Type(s):
Channel(s):
Gap Junctions:
Receptor(s):
Gene(s):
Transmitter(s):
Simulation Environment: NEURON;
Model Concept(s): Influence of Dendritic Geometry; Olfaction;
Implementer(s): Morse, Tom [Tom.Morse at Yale.edu];
objref fig2b
fig2b=new Graph(0)

objectvar rvp_
objectvar scene_vector_[8]
objectvar ocbox_, ocbox_list_, scene_, scene_list_
{ocbox_list_ = new List()  scene_list_ = new List()}
{
fig2b.size(0,12,-90,-20)
scene_vector_[6] = fig2b
{fig2b.view(0, -90, 12, 70, 514, 325, 659.52, 496.96)}
graphList[0].append(fig2b)
fig2b.save_name("graphList[0].")
//fig2b.addexpr("dendrite.v(0.9167)", 4, 1, 0.8, 0.9, 2)
//fig2b.addexpr("dendrite.v(0.58333)", 1, 8, 0.8, 0.9, 2)
fig2b.addexpr("GR_10.v(0.5)", 4, 1, 0.8, 0.9, 2)
fig2b.addexpr("GR_8.v(0.5)", 1, 8, 0.8, 0.9, 2)
fig2b.addexpr("Spine[1].head.v(0.5)", 2, 1, 0.8, 0.9, 2)
fig2b.addexpr("Spine[0].head.v(0.5)", 3, 1, 0.8, 0.9, 2)
fig2b.label(0.212518, 0.923374, "GR-1=Spine[0].head, GR-3=Spine[1].head", 2, 1, 0, 0, 1)
}
objectvar scene_vector_[1]
{doNotify()}