//Author: Etay Hay, 2013
// Preserving axosomatic spiking features despite diverse dendritic morphology (Hay et al., 2013, J.Neurophysiology)
//
// Measuring input resistance at soma or axon initial segment
// $o1: cell object
// $2: measuring location (0 - soma, 1 - axon)
func mRin(){ localobj c1,vvec,tvec,st1
vvec = new Vector()
tvec = new Vector()
tstop = 10000
c1 = $o1
if ($2){
access c1.axon
st1 = new IClamp(0.5)
st1.del = tstop/2
st1.dur = 1000
st1.amp = 0.00005
cvode.record(&v(0.5),vvec,tvec)
} else {
access c1.soma
st1 = new IClamp(0.5)
st1.del = tstop/2
st1.dur = 1000
st1.amp = 0.00005
cvode.record(&v(0.5),vvec,tvec)
}
//============================= simulation ================================
init()
run()
return ((vvec.x[tvec.indwhere(">=",st1.del+0.999*st1.dur)] - vvec.x[tvec.indwhere(">=",st1.del-0.5*st1.dur)])/st1.amp)
}