objref volt_cl // variable for Point-Process
objref vbox1, vbox2 // graphs variables
objref g_v, g_i // graphs variables
objref recV, allV, recT, allT // record voltage
// strdef file_name to save runs
//objref savv, savt to save
y_min=-2.1
proc Tstop() {
tstop = volt_cl.dur[0]+volt_cl.dur[1]
}
create soma
soma {
diam = 50 // micron
L = 63.66198 // micron, so that area = 10000 micron2
nseg = 1 // dimensionless
cm = 1 // uF/cm2
Ra = 70 // ohm-cm
insert na15a
volt_cl = new VClamp_plus(.5)
}
proc start() {
volt_cl.amp[0] = -10
volt_cl.dur[0]=0.25
volt_cl.dur[1]=5.75
g_v.erase()
g_i.erase()
g_v.size(0, tstop, -130, end_cl+10)
g_i.size(0, 6, y_min, 0.1)
allV = new Vector()
allT = new Vector()
recV = new Vector()
recV.record(&dens)
recT = new Vector()
recT.record(&t)
for (i=st_cl; i<=end_cl; i=i+incr1) {
volt_cl.amp[1]=i
//file_number = num_to_strg(i)
//sprint(file_name, "%s%s", "/home/carol/Sinkin_model/SinKin_ModelDB/na15v_fig2g_run_",i)
finitialize(v_init)
g_v.beginline()
g_i.beginline()
while (t<tstop) {
// clamping current without capacitive current, in mA/cm2
dens=volt_cl.i/area(.5)*100-soma.i_cap(0.5)
g_i.line(t, dens)
g_v.line(t, soma.v(.5))
fadvance()
}
g_v.size(0, tstop, -130, end_cl+10)
g_i.size(0, 6, y_min, 0.1)
g_v.flush
g_i.flush
//savv = new File()
//savv.wopen(file_name)
//recV.printf(savv)
allV.append(recV)
allT.append(recT)
}
//savv = new File()
//savv.wopen("na15v_fig2gV")
//allV.printf(savv)
//savt = new File()
//savt.wopen("/na15v_fig2gT")
//allT.printf(savt)
}
{
xpanel("RunControl", 0)
v_init = -120
xvalue("Init","v_init", 1,"stdinit()", 1, 1 )
xbutton("Init & Run","run()")
xbutton("Stop","stoprun=1")
runStopAt = 5
xvalue("Continue til","runStopAt", 1,"{continuerun(runStopAt) stoprun=1}", 1, 1 )
runStopIn = 1
xvalue("Continue for","runStopIn", 1,"{continuerun(t + runStopIn) stoprun=1}", 1, 1 )
xbutton("Single Step","steprun()")
t = 20.25
xvalue("t","t", 2 )
tstop = 6
xvalue("Tstop","tstop", 1,"tstop_changed()", 0, 1 )
dt = 0.0125
xvalue("dt","dt", 1,"setdt()", 0, 1 )
steps_per_ms = 40
xvalue("Points plotted/ms","steps_per_ms", 1,"setdt()", 0, 1 )
screen_update_invl = 0.05
xvalue("Scrn update invl","screen_update_invl", 1,"", 0, 1 )
realtime = 0.00999999
xvalue("Real Time","realtime", 0,"", 0, 1 )
xpanel(3,102)
}
{
xpanel("Avvio", 0)
xbutton("Avvio","start()")
celsius=22
xvalue("celsius")
ena=65
xvalue("ena")
st_cl=-100
xvalue("start clamp", "st_cl")
end_cl=-30
xvalue("end clamp", "end_cl")
incr1=10
xvalue("incr clamp", "incr1")
hold_pot=v_init
xvalue("holding_pot", "hold_pot")
xpanel(280,102)
}
// graph for soma voltage
vbox1=new VBox()
vbox1.intercept(1)
g_v=new Graph()
g_v.size(0, tstop, -130, end_cl+10)
vbox1.intercept(0)
vbox1.map("Membrane voltage", 3, 500, -1, 0)
// graph for clamping current (clamp.i)
vbox2=new VBox()
vbox2.intercept(1)
g_i=new Graph()
g_i.size(0, 5, y_min, 0.1)
vbox2.intercept(0)
vbox2.map("Soma clamp current", 520, 20, 600, 450)