def __init__(self, name, cm=0.281, tau_refrac=0.1, v_spike=-40.0, v_reset=-70.6, v_rest=-70.6, tau_m=9.3667, i_offset=0.0, a=4.0, b=0.0805, delta_T=2.0,tau_w=144.0,v_thresh=-50.4,e_rev_E=0.0, tau_syn_E=5.0, e_rev_I=-80.0, tau_syn_I=5.0, N=1, tau_psc=5.0, connectivity=None, spike_delta=30,scale=0.5): """ AdEx Constructor """ Base_Population.__init__(self, name, N, tau_psc, connectivity, spike_delta, v_reset,scale) self.cm = cm # Capacitance of the membrane in nF self.tau_refrac = tau_refrac # Duration of refractory period in ms. self.v_spike = v_spike # Spike detection threshold in mV. self.v_reset = v_reset # Reset value for V_m after a spike. In mV. self.v_rest = v_rest # Resting membrane potential (Leak reversal potential) in mV. self.tau_m = tau_m # Membrane time constant in ms self.i_offset = i_offset # Offset current in nA self.a = a # Subthreshold adaptation conductance in nS. self.b = b # Spike-triggered adaptation in nA self.delta_T = delta_T # Slope factor in mV self.tau_w = tau_w # Adaptation time constant in ms self.v_thresh = v_thresh # Spike initiation threshold in mV self.e_rev_E = e_rev_E # Excitatory reversal potential in mV. self.tau_syn_E = tau_syn_E # Decay time constant of excitatory synaptic conductance in ms. self.e_rev_I = e_rev_I # Inhibitory reversal potential in mV. self.tau_syn_I = tau_syn_I # Decay time constant of the inhibitory synaptic conductance in ms. #state variables #self.v is already present self.w = np.ones(N)
def __init__(self, name, a=0.02, b=0.2, c=-65, d=6, v0=-70, u0=None, N=10, tau_psc=5.0, connectivity=None, spike_delta=30, scale=1.0): Base_Population.__init__(self, name, N, tau_psc, connectivity, spike_delta, v0, scale) self.a = a self.b = b self.c = c self.d = d self.v = np.ones(self.N) * v0 self.u = np.ones(self.N) * u0 if u0 is not None else np.ones(self.N) * b*v0 self.du = lambda a, b, v, u: a*(b*v - u) self.v_thresh = 30 #mV
def __init__(self, name, cm=0.281, tau_refrac=0.1, v_spike=-40.0, v_reset=-70.6, v_rest=-70.6, tau_m=9.3667, i_offset=0.0, a=4.0, b=0.0805, delta_T=2.0, tau_w=144.0, v_thresh=-50.4, e_rev_E=0.0, tau_syn_E=5.0, e_rev_I=-80.0, tau_syn_I=5.0, N=1, tau_psc=5.0, connectivity=None, spike_delta=30, scale=0.5): """ AdEx Constructor """ Base_Population.__init__(self, name, N, tau_psc, connectivity, spike_delta, v_reset, scale) self.cm = cm # Capacitance of the membrane in nF self.tau_refrac = tau_refrac # Duration of refractory period in ms. self.v_spike = v_spike # Spike detection threshold in mV. self.v_reset = v_reset # Reset value for V_m after a spike. In mV. self.v_rest = v_rest # Resting membrane potential (Leak reversal potential) in mV. self.tau_m = tau_m # Membrane time constant in ms self.i_offset = i_offset # Offset current in nA self.a = a # Subthreshold adaptation conductance in nS. self.b = b # Spike-triggered adaptation in nA self.delta_T = delta_T # Slope factor in mV self.tau_w = tau_w # Adaptation time constant in ms self.v_thresh = v_thresh # Spike initiation threshold in mV self.e_rev_E = e_rev_E # Excitatory reversal potential in mV. self.tau_syn_E = tau_syn_E # Decay time constant of excitatory synaptic conductance in ms. self.e_rev_I = e_rev_I # Inhibitory reversal potential in mV. self.tau_syn_I = tau_syn_I # Decay time constant of the inhibitory synaptic conductance in ms. #state variables #self.v is already present self.w = np.ones(N)