Spiny neuron model with dopamine-induced bistability (Gruber et al 2003)

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Accession:39949
These files implement a model of dopaminergic modulation of voltage-gated currents (called kir2 and caL in the original paper). See spinycell.html for details of usage and implementation. For questions about this implementation, contact Ted Carnevale (ted.carnevale@yale.edu)
Reference:
1 . Gruber AJ, Solla SA, Surmeier DJ, Houk JC (2003) Modulation of striatal single units by expected reward: a spiny neuron model displaying dopamine-induced bistability. J Neurophysiol 90:1095-114 [PubMed]
Model Information (Click on a link to find other models with that property)
Model Type: Neuron or other electrically excitable cell;
Brain Region(s)/Organism:
Cell Type(s): Neostriatum medium spiny direct pathway GABA cell;
Channel(s): I K,leak; I h; I A, slow;
Gap Junctions:
Receptor(s): D1; Dopaminergic Receptor;
Gene(s): Cav1.3 CACNA1D; D1 DRD1A;
Transmitter(s): Dopamine;
Simulation Environment: NEURON;
Model Concept(s): Intrinsic plasticity;
Implementer(s): Carnevale, Ted [Ted.Carnevale at Yale.edu];
Search NeuronDB for information about:  Neostriatum medium spiny direct pathway GABA cell; D1; Dopaminergic Receptor; I K,leak; I h; I A, slow; Dopamine;
objectvar save_window_, rvp_
objectvar scene_vector_[6]
objectvar ocbox_, ocbox_list_, scene_, scene_list_
{ocbox_list_ = new List()  scene_list_ = new List()}

//Begin ArtCellGUI[0]
{
load_file("netbild.hoc")
}
ocbox_ = new ArtCellGUI(1)
{object_push(ocbox_)}
{
tobj = new MechanismStandard("NetStim")
tobj.set("interval", 10, 0)
tobj.set("number", 1e+09, 0)
tobj.set("start", 100, 0)
tobj.set("noise", 0.2, 0)
}
{append(tobj, "Bkgd")}
{
tobj = new MechanismStandard("NetStim")
tobj.set("interval", 10, 0)
tobj.set("number", 1e+09, 0)
tobj.set("start", 400, 0)
tobj.set("noise", 0.2, 0)
}
{append(tobj, "Stim")}
{
tobj = new MechanismStandard("NetStim")
tobj.set("interval", 10, 0)
tobj.set("number", 1, 0)
tobj.set("start", 800, 0)
tobj.set("noise", 0, 0)
}
{append(tobj, "Stop")}
{object_pop()}
{
ocbox_.map("ArtCellGUI[0]", 6, 374, 449.28, 291.84)
}
objref ocbox_
//End ArtCellGUI[0]


//Begin NetReadyCellGUI[0]
{
load_file("netbild.hoc")
}
{ocbox_ = new NetReadyCellGUI(1)}
{ocbox_.tobj = new CellBuild(1)}
{object_push(ocbox_.tobj)}
{
version(5.1)
continuous = 0
}
{object_push(topol)}
{
first = 0
slist.remove_all()
sname = "dend"
objref tobj
}
{
tobj = new CellBuildSection("soma",0, 0, tobj, 0) slist.append(tobj)
  tobj.position(0,0,15,0) tobj.lx=7.5 tobj.ly=0 tobj.i3d=0
all_init()
}
for i=0, slist.count-1 {slist.object(i).rdses()}
{object_pop()}
{
}
{object_push(subsets)}
{first = 0}
{consist()}
{object_pop()}
{
}
{object_push(geom)}
{
first = 0
tobj = new GeoSpec(2)
tobj.value = 100
bild.topol.slist.object(0).geo.append(tobj)
tobj = new GeoSpec(4)
tobj.value = 1
bild.topol.slist.object(0).geo.append(tobj)
set_default()
}
{object_pop()}
{
}
{object_push(memb)}
{first=0}
{
tobj = new GeoSpec(1)
tobj.value = 1
tobj.set_default()
tobj = new MStanWrap(tobj, 0)
bild.topol.slist.object(0).ml.append(tobj)
}
{
tobj = new GeoSpec(0)
tobj.value = 80
tobj.set_default()
tobj = new MStanWrap(tobj, 0)
bild.topol.slist.object(0).ml.append(tobj)
}
{
tobj = new MechanismStandard("caL")
tobj.set("Pbar_caL", 42, 0)
tobj = new MStanWrap(tobj, 1)
bild.topol.slist.object(0).ml.append(tobj)
}
{
tobj = new MechanismStandard("kir2")
tobj.set("gbar_kir2", 1.2, 0)
tobj = new MStanWrap(tobj, 1)
bild.topol.slist.object(0).ml.append(tobj)
}
{
tobj = new MechanismStandard("ksi")
tobj.set("gbar_ksi", 0.45, 0)
tobj = new MStanWrap(tobj, 1)
bild.topol.slist.object(0).ml.append(tobj)
}
{
tobj = new MechanismStandard("leak")
tobj.set("g_leak", 0.008, 0)
tobj.set("e_leak", -90, 0)
tobj = new MStanWrap(tobj, 1)
bild.topol.slist.object(0).ml.append(tobj)
}
{object_pop()}
{
}
{object_push(manage)}
{
first = 0
classname = "Cell"
etop=1 esub=1 egeom=1 emem=1
itop=1 isub=0 igeom=0 imem=0
bild.topol.names_off = 0
bild.topol.circles_off = 0
output_index = 0  output_x = 1
}
{object_pop()}
{
cexport()
}
{object_pop()}
{
save_window_=ocbox_.tobj.gtopol
save_window_.size(-200,200,-150,150)
scene_vector_[3] = save_window_
ocbox_.tobj.gtopol = save_window_
save_window_.save_name("ocbox_.tobj.gtopol")
}
{object_push(ocbox_)}
stgui = new SynTypeGUI(1)
{object_push(stgui)}
{
tobj = new MechanismStandard("ExpSyn")
tobj.set("tau", 3, 0)
tobj.set("e", 0, 0)
}
{append(tobj, "ExpSyn")}
{object_pop()}
nrc = new NetReadyCell(tobj, stgui.stypelist)
nrc.name = "C"
tobj = nrc.cb.topol.slist.object(0)
{nrc.synlist.append(new SynTypeInstance(nrc.stype.object[0],tobj,0.5,0.5,3))}
{g.size(-166.667,166.667,-97.8736,97.8736)}
{object_pop()}
{
ocbox_.map("NetReadyCellGUI[0]", 6, 105, 404.16, 296.64)
}
objref ocbox_
//End NetReadyCellGUI[0]

objectvar scene_vector_[1]
{doNotify()}

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