load_file("nrngui.hoc")
Default_Eleak = -65
membranecap = 0.64 /* specific membrane capacitance in uF cm^-2 */
membraneresist = 120236 /* specific membrane resistance in ohm cm^2 */
axialresist = 120 /* axial resistivity in ohm cm */
xopen("Purkinje19b972-1.nrn") // Load the morphology file.
forsec "axon" delete_section() // Delete original axon and add a fake AIS
objref g2, b2,c2, distrx, distry, cdistry, p
forall {
insert pas e_pas=Default_Eleak /* Insert Leak everywhere */
insert hpkj // Ih inserted everywhere
insert pk
}
AIS { g_pas=1/membraneresist Ra=axialresist cm=membranecap}
forsec spinydend {g_pas=5.3/membraneresist Ra=axialresist cm=5.3*membranecap}
forsec maindend {g_pas=1.2/membraneresist Ra=axialresist cm=1.2*membranecap}
forsec "soma" { g_pas=1/membraneresist Ra=axialresist cm=membranecap}
forsec maindend {insert cdp4N}
forsec alldend {
insert Kv3
gbar_Kv3 = 0.1512
vshift_Kv3 = 4
insert newCaP
pcabar_newCaP = 1.90e-4
vshift_newCaP =-5
insert CaT3_1
pcabar_CaT3_1 = 2.7000e-05
insert mslo
gbar_mslo = 0.2150
insert SK2
gkbar_SK2 = 3.6000e-04
scal_SK2 = 1.0
ghbar_hpkj = 2.1600e-04
insert Kv11
gbar_Kv11 = 0.002
insert Kv4
gbar_Kv4 = 0.0252
insert Kv4s
gbar_Kv4s = 0.015
}
forsec spinydend {
insert cdp4Nsp
gkbar_SK2 = 3.6000e-04
scal_SK2 = 1.0
gbar_Kv4 = 0.0264
gbar_Kv4s = 0.015
ghbar_hpkj = 3.2400e-04
vshift_Kv4 = 0
gbar_Kv11 = 0.001
gbar_Kv3 =0.2268
vshift_Kv3 = 4
pcabar_CaT3_1 = 1.0800e-04
pcabar_newCaP = 7.6000e-04
vshift_newCaP = -5
scale_cdp4Nsp = 3.5
gbar_mslo = 0.0448
}
somaA distance()
access somaA
forsec "soma" {
insert naRsg
gbar_naRsg =0.0317
vshifta_naRsg = 0
vshiftk_naRsg = 0
vshifti_naRsg = -5
insert nap
gbar_nap = 1.4000e-04
insert pk
ena = 63
ghbar_hpkj = 1.0800e-04
insert cdp20N_FD2
insert Kv34
gbar_Kv34 = 1.8000
insert newCaP
pcabar_newCaP = 1.9e-4
kt_newCaP = 1
vshift_newCaP = -5
insert mslo
gbar_mslo = 0.8736
insert abBK
gabkbar_abBK = 0.3
insert SK2
gkbar_SK2 = 0.0075
}
AIS {
insert naRsg // INa + resurgent
gbar_naRsg = 0.56
vshifta_naRsg = 15
vshiftk_naRsg = 5
vshifti_naRsg = -5
insert nap
gbar_nap = 0.0023
insert CaT3_1
pcabar_CaT3_1 = 1.2800e-04
ena = 63
ghbar_hpkj = 1.0800e-04
insert cdpAIS
insert Kv34
gbar_Kv34 = 115.2000
insert newCaP
pcabar_newCaP =0.0023
kt_newCaP = 1
vshift_newCaP = -5
insert mslo
gbar_mslo = 6
insert abBK
gabkbar_abBK = 1.0500
insert SK2
gkbar_SK2 = 0.0278
}
objref stim1
stim1 = new IClamp(0.5)
stim1.amp =0.1
stim1.del = 000
stim1.dur =20000
objref stim2
stim2 = new IClamp(0.5)
stim2.amp =0.25
stim2.del = 2500
stim2.dur =0.5
v_init = -68