// A simulation on the longest basal dendrite of a Meynert2 cell - long inhibition at 2msec
// Written by Oz kahana 26.4.1999
objref LDistancesVec
print "Meynert simulation on the a5_1121 pathway + inhibition"
objref file
NoOfLSyn = 500
objref Lsynapse[500]
NoOfInhibitorySynapses = 1
InhibitionDelay = 2
objref In_synapse
print "load the Meynert cell"
xopen("../Cells/meynert2/meynert2.hoc")
load_proc("nrnmainmenu")
objref vec, file
strdef fileN
proc Set_nsegs() {
forsec "a9" {diam_hold = diam cm_hold = cm nseg=nseg*2 diam = diam_hold cm = cm_hold }
forall { area(0) }
}
proc BasicInit() {
stdinit()
setdt()
}
proc RunTill() {
continuerun($1)
}
proc SetSynapseProperties() {
$o1.gmax = 0.0016
$o1.tau = 0.3
$o1.e=0
// $2-> onset time
$o1.onset = $2
}
proc SetInSynapseProperties() {
$o1.gmax = 0.03217
if ($2==50000) {
$o1.gmax = 0.00453
}
$o1.risetime = 0.5
$o1.tfast = 7.5
$o1.tslow = 33
$o1.e=-70
$o1.onset = $3
}
proc runForTotalTime(){
Total__Time = $1
base_time = -Total__Time
if (base_time<0) {
base_time=0
}
deltaT = Total__Time/(LTotalDistance)
print "Total Time=",Total__Time
for index=0,NoOfLSyn-1 {
SetSynapseProperties(Lsynapse[index],base_time+deltaT*(LTotalDistance-LDistancesVec.x[index]))
}
SetInSynapseProperties(In_synapse,Rm,base_time+deltaT*LTotalDistance+InhibitionDelay)
if (Total__Time<0) {
SetInSynapseProperties(In_synapse,Rm,InhibitionDelay)
}
}
proc runAndSave(){
// Run the simulation for T time
BasicInit()
RunTill(400)
// Save the voltage vector
sprint(fileN, "vecT%d.dat",$1)
file = new File()
file.wopen(fileN)
vec.printf(file)
file.close()
}
StartTime = 0
tstop = 400
steps_per_ms=10
dt=0.1
// Loop of different Rm
Rm = 5000
//if (rm_index==1) {
// Rm = 50000
//}
// Mainen cell
forall { insert pas }
forall { e_pas = -65 }
forall { g_pas = 1/Rm }
forall { Ra = 150 }
forall { cm = 1 }
print "Set the nsegs"
forall nseg=1
forall { area(0.5) }
xopen("../Files/eparam3.hoc")
Set_nsegs()
print "Loading Synapses"
xopen("../Files/meyLongSynfile3.hoc")
// xopen("../Files/meyShortSynfile1.hoc")
objref In_synapse
soma In_synapse = new two_exp_syn1(0.5)
print "End of Synapses"
nsegments = 0
soma_area = 0
forall {
nsegments = nsegments + nseg
}
print nsegments," segments."
access soma
soma_area = soma_area + PI*diam*L
print "cell area = ",soma_area
NoOfTraces=287
objref TotalTimes
TotalTimes = new Vector(288,0)
i=0
for ii=0,111 {
TotalTimes.x[i] = -300 + 600 * ii / 240
i=i+1
}
TotalTimes.x[i] = -22
i=i+1
TotalTimes.x[i] = -21.5
i=i+1
TotalTimes.x[i] = -21
i=i+1
TotalTimes.x[i] = -20.5
i=i+1
TotalTimes.x[i] = -20
i=i+1
TotalTimes.x[i] = -19.5
i=i+1
TotalTimes.x[i] = -19
i=i+1
TotalTimes.x[i] = -18.5
i=i+1
TotalTimes.x[i] = -18
i=i+1
TotalTimes.x[i] = -17.5
i=i+1
TotalTimes.x[i] = -15
i=i+1
TotalTimes.x[i] = -12.5
i=i+1
TotalTimes.x[i] = -10
i=i+1
TotalTimes.x[i] = -9.5
i=i+1
TotalTimes.x[i] = -9
i=i+1
TotalTimes.x[i] = -8.5
i=i+1
TotalTimes.x[i] = -8
i=i+1
TotalTimes.x[i] = -7.5
i=i+1
TotalTimes.x[i] = -7
i=i+1
TotalTimes.x[i] = -6.5
i=i+1
TotalTimes.x[i] = -6
i=i+1
TotalTimes.x[i] = -5.5
i=i+1
TotalTimes.x[i] = -5
i=i+1
TotalTimes.x[i] = -2.5
i=i+1
TotalTimes.x[i] = -2
i=i+1
TotalTimes.x[i] = -1.5
i=i+1
TotalTimes.x[i] = -1.3
i=i+1
TotalTimes.x[i] = -1.1
i=i+1
TotalTimes.x[i] = -0.8
i=i+1
TotalTimes.x[i] = -0.7
i=i+1
TotalTimes.x[i] = -0.6
i=i+1
TotalTimes.x[i] = -0.0001
i=i+1
TotalTimes.x[i] = 0.6
i=i+1
TotalTimes.x[i] = 0.7
i=i+1
TotalTimes.x[i] = 0.8
i=i+1
TotalTimes.x[i] = 1.1
i=i+1
TotalTimes.x[i] = 1.3
i=i+1
TotalTimes.x[i] = 1.5
i=i+1
TotalTimes.x[i] = 2
i=i+1
TotalTimes.x[i] = 2.5
i=i+1
TotalTimes.x[i] = 5
i=i+1
TotalTimes.x[i] = 5.5
i=i+1
TotalTimes.x[i] = 6
i=i+1
TotalTimes.x[i] = 6.5
i=i+1
TotalTimes.x[i] = 7
i=i+1
TotalTimes.x[i] = 7.5
i=i+1
TotalTimes.x[i] = 8
i=i+1
TotalTimes.x[i] = 8.5
i=i+1
TotalTimes.x[i] = 9
i=i+1
TotalTimes.x[i] = 9.5
i=i+1
TotalTimes.x[i] = 10
i=i+1
TotalTimes.x[i] = 12.5
i=i+1
TotalTimes.x[i] = 15
i=i+1
TotalTimes.x[i] = 17.5
i=i+1
TotalTimes.x[i] = 18
i=i+1
TotalTimes.x[i] = 18.5
i=i+1
TotalTimes.x[i] = 19
i=i+1
TotalTimes.x[i] = 19.5
i=i+1
TotalTimes.x[i] = 20
i=i+1
TotalTimes.x[i] = 20.5
i=i+1
TotalTimes.x[i] = 21
i=i+1
TotalTimes.x[i] = 21.5
i=i+1
TotalTimes.x[i] = 22
i=i+1
for ii=129,241 {
TotalTimes.x[i] = -300 + 600 * ii / 240
i=i+1
}
// commented out by Michael Hines to avoid generation of results files
/*
for iii=0,NoOfTraces {
// create the voltage vector
vec = new Vector(200000,0)
vec.record(&soma.v(0.5))
//TotalTime = -300 + 600 * iii / 240
TotalTime = TotalTimes.x[iii]
runForTotalTime(TotalTime)
runAndSave(iii)
}
*/