load_file("nrngui.hoc") /* morphology */ create s, a[10], b[10] forall { Ra = 70 cm = 1 } access s nseg = 1 diam = 10 L = 10 for i = 0, 9 a[i] { nseg = 100 diam = 0.2 L = 100 } for i = 0, 9 b[i] { nseg = 4 diam = 4 L = 4 } connect s(1), a[0](0) for i = 0, 9 {connect b[i](0), a[i](1) } for i = 0, 8 {connect a[i+1](0), b[i](1) } /* channel */ forall {insert hhmfb gnabar_hhmfb = 0.05 /* S/cm^2 */ gkbar_hhmfb = 0.036 /* S/cm^2 */ gl_hhmfb = 0.0001 /* S/cm^2 */ ena = 50 /* mV */ ek = -85 /* mV */ el = -81 /* mV */ celsius = 25 } forsec "s" gnabar_hhmfb = 0.01 /* S/cm^2 */ forsec "b" {insert mfbpqca insert mfbnca insert mfbrca gcabar_mfbpqca = 0.0020 /* S/cm^2*/ gcabar_mfbnca = 0.0008 /* S/cm^2*/ gcabar_mfbrca = 0.0004 /* S/cm^2*/ eca = 60 /* mV */ } /* stim */ objectvar stim s stim = new IClamp(0.5) stim.del = 0 stim.dur = 2 stim.amp = 0.1 load_file("recsingle_2.ses")