//
// Simulation of a pair of FS neurons connected through gap junctions.
// Input is read from the INDATA directory.
//
// Usage: Use matlab script to generate indata
// Call genesis code from matlab script
// Parse outdata files and move them to storage directory
//
// Johannes Hjorth, January 2006
// hjorth@nada.kth.se
//
//
echo "### Start of script ###################"
echo "Johannes Hjorth (hjorth@nada.kth.se)"
echo "Last updated: September 2008"
echo " "
// Read maxTime from parameter file!
str parFile = "INDATA/parameters.txt"
openfile {parFile} r
str outputName = {readfile {parFile}} //"FSGapEff"
float maxTime = {readfile {parFile}}
int numCells = {readfile {parFile}}
echo "Simulating "{numCells}" FS neurons for "{maxTime}" seconds"
echo "Writing output to "{outputName}
//simulation time and time steps
float spikeoutdt=1e-3
float vmOutDt= 1e-4
float simDt= 1e-5 //1e-6 needed for voltage clamp
// Number of synapse sites
int nAMPA = 127 // per cell
int nGABA = 93
//read in functions for creating and running simulations
include protodefs
include ../genesisScripts/fsInputFromFile
include ../genesisScripts/fsSomaOutput
include ../genesisScripts/fsInputInject
//setclocks
setclock 1 {vmOutDt}
setclock 0 {simDt}
// Use the SPRNG random number generator
setrand -sprng
randseed 21483789
// Read input location from parameter file
str masterInputLoc = {readfile {parFile}}
str slaveInputLoc = {readfile {parFile}}
str masterFile = {readfile {parFile}}
str slaveFile = {readfile {parFile}}
// Create neuron
echo "Creating "{numCells}" FS neurons"
copyFsNeuron "/fs" {numCells}
loadSpikeTrain {masterFile} masterTrain
loadSpikeTrain {slaveFile} slaveTrain
connectNamedSpikeTrain masterTrain {masterInputLoc} AMPA
connectNamedSpikeTrain slaveTrain {slaveInputLoc} AMPA
// Read location of gap junctions from parameter file
int numGaps = {readfile {parFile}}
int gapCtr
// Create gap junctions required in file
str readGapLine
str gapSrc
str gapDest
float gapRes
for(gapCtr = 0; gapCtr < numGaps; gapCtr = gapCtr + 1)
readGapLine = {readfile {parFile} -linemode}
gapSrc = {getarg {arglist {readGapLine}} -arg 1}
gapDest = {getarg {arglist {readGapLine}} -arg 2}
gapRes = {getarg {arglist {readGapLine}} -arg 3}
connectGap {gapSrc} {gapDest} {gapRes}
echo {gapSrc}"-->"{gapDest}" res: "{gapRes}
end
// Add current pulses to neurons
int numCurrentPulses = {readfile {parFile}}
int iPulse
str pulseLine
str pulseName = "injectedCurrentPulse"
float pulseStart
float pulseEnd
float pulseCurrent
str pulseLoc
for(iPulse = 0; iPulse < numCurrentPulses; iPulse = iPulse + 1)
pulseLine = {readfile {parFile} -linemode}
echo "Read: "{pulseLine}
pulseStart = {getarg {arglist {pulseLine}} -arg 1}
pulseEnd = {getarg {arglist {pulseLine}} -arg 2}
pulseCurrent = {getarg {arglist {pulseLine}} -arg 3}
pulseLoc = {getarg {arglist {pulseLine}} -arg 4}
// makeInjectInput cant handle currents that are 0
if({pulseCurrent} != 0)
echo "Pulse "{pulseStart}"s ->"{pulseEnd}"s "{pulseCurrent}"A loc: "{pulseLoc}
// makeInjectInput {pulseName}{iPulse} {pulseStart} {pulseEnd} {pulseCurrent}
makeInjectInputNoRepeat {pulseName}{iPulse} {pulseStart} {pulseEnd} \
{pulseCurrent} {maxTime}
connectInjectInput {pulseName}{iPulse} {pulseLoc}
end
end
closefile {parFile}
check
// // 6 tertdend at 1.5e9 ohm --> 14.1% coupling
// float tertGapRes = 1.5e9
//
// // 1 soma-soma gapjunction at 2.6e9 ohm --> 14.1% coupling
// float somaGapRes = 2.6e9
makeOutput "/fs" {outputName} {vmOutDt}
reset
reset
step {maxTime} -t
//step 3.14664 -t
//step 3.14663 -t
clearOutput {outputName}
// close files
quit