: passive leak current NEURON { SUFFIX leakDA NONSPECIFIC_CURRENT il RANGE il, el, glbar } UNITS { (mA) = (milliamp) (mV) = (millivolt) } PARAMETER { DA_start = 100 : D1R(Low Affinity) Dopamine Effect after 6 conditioning trials (15*4000) = 60000) DA_stop = 600 DA_t1 = 0.8 : 0.9 : 1 : 1 : 0.9 : Amount(%) of DA effect- negative value decreases AP threshold / positive value increases threshold of AP glbar = 2.857142857142857e-05 :3.333333e-5 (siemens/cm2) < 0, 1e9 > el = -75 (mV) } ASSIGNED { v (mV) il (mA/cm2) } BREAKPOINT { il = glbar*(v - el)*DA1(t) } FUNCTION DA1(t) { if (t >= DA_start && t <= DA_stop){DA1 = DA_t1} : During conditioning else {DA1 = 1} }