Gap junction coupled network of striatal fast spiking interneurons (Hjorth et al. 2009)

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Accession:118389
Gap junctions between striatal FS neurons has very weak ability to synchronise spiking. Input uncorrelated between neighbouring neurons is shunted, while correlated input is not.
Reference:
1 . Hjorth J, Blackwell KT, Kotaleski JH (2009) Gap junctions between striatal fast-spiking interneurons regulate spiking activity and synchronization as a function of cortical activity. J Neurosci 29:5276-86 [PubMed]
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Model Information (Click on a link to find other models with that property)
Model Type: Realistic Network; Neuron or other electrically excitable cell; Synapse; Channel/Receptor; Dendrite;
Brain Region(s)/Organism: Basal ganglia;
Cell Type(s): Neostriatum fast spiking interneuron;
Channel(s): I A; I_K,Na;
Gap Junctions: Gap junctions;
Receptor(s):
Gene(s):
Transmitter(s): Gaba; Glutamate;
Simulation Environment: GENESIS; MATLAB;
Model Concept(s): Activity Patterns; Ion Channel Kinetics; Synchronization; Detailed Neuronal Models;
Implementer(s): Hjorth, Johannes [hjorth at csc.kth.se];
Search NeuronDB for information about:  I A; I_K,Na; Gaba; Glutamate;
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FSGJ_Hjorth2009
FIGS5
BlueGene
FIGS
INDATA
UTDATA
a_channel.g *
a_channel_MOD.g
ampa_channel.g *
channelsMOD.g
channelsSobol.g
channelsSobolSynch.g
checkAllEqual.m *
findSpikes.m *
fsConnect.g *
fsInhomogeneNeurons.g *
fsInputFromFile.g
fsInputInject.g *
fsNeuron.g *
fsSomaOutput.g *
gaba_channel.g *
inspectTrace.m
k13_channel.g *
k13_channel_MOD.g
k3132_channel.g *
k3132_channel_MOD.g
makeAllSynapticInput.m
makeCorrPairFigure.m
makeDaughterNoise.m *
makeFSMorph.m
makeFSMorphMOD.m
makeFSrandomNetwork.m
makeShuffleCorrCrossCorr.m
makeShuntingSensitivityFigure.m
makeTrainNoise.m *
na_channel.g *
na_channel_MOD.g
poissonMaxTime.m *
protodefs.g
protodefsInhomogene.g
protodefsMOD.g
protodefsSobol.g
protodefsSobolSynch.g
readTenFSsensitivity.m
readTenFSsensitivityOLD.m
runFSsensitivity.m
runTenFSsensitivity.m
simFourFSsaveGJcur.g
writeFSMODinfo.m
writeInput.m *
writeSobolSynchInfo.m
                            
function writeFSMODinfo(parFile, outputFile, maxTime, numCells, ...
                        gapSource, gapDest, gapRes, ...
                        FSpars, FSMODidx)

fid = fopen( ['INDATA/' parFile], 'w');

fprintf(fid, outputFile);
fprintf(fid, '\n%f\n', maxTime);
fprintf(fid, '%d\n', numCells);

% Modificiation to FS channel parameters
fprintf(fid, '%f ', FSpars); 

% Write information about what gap junctions to set up
fprintf(fid, '\n%d\n', length(gapSource));

for i=1:length(gapSource)
   fprintf(fid, '%s %s %f\n', gapSource{i}, gapDest{i}, gapRes(i));
end

% Write which FS neurons' channel parameters to modify
fprintf(fid, '%d ', FSMODidx-1);

fclose(fid);