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. 2020 Apr 10;15(4):e0230787. doi: 10.1371/journal.pone.0230787

Table 1. Parameters of the models.

Basic parameter values are from [25], except the modified values that are given in bold.

Parameter Value with units Description
τK 100s Potassium time constant
τNa 20s Sodium time constant
C/gL or τm 10ms Membrane time constant
τD 2s Synaptic depression time constant
DK 4 ⋅ 10−6cm2/s Potassium diffusion coefficient
δK 0.04mM Potassium concentration increment at spike
δNa 0.03mM Sodium concentration increment at spike
δx 0.01 Synaptic concentration increment at spike
ξ N(0,1) Gaussian white noise
σ/gL 25mV Noise amplitude
ρ 0.2mM/s Maximum pump flux
γ 20 Volume ratio
Gsyn/gL 5mV⋅s Postsynaptic charge
cIE 0.5 Inhibitory vs. excitatory conductance ratio
gK,leak/gL 1.0 Potassium leak conductance
[K]o0 3mM Initial extracellular potassium concentration
[K]bath 7mM Extracellular potassium concentration
[Na]i0 10mM Initial intracellular sodium concentration
νmax 100Hz Soma maximal firing rate
λ 0.385mm Spatial scale of cortical fiber connectivity
Vth 25mV Threshold potential
kν 20mV Gain
gU 1.5nS/mV Representative neuron conductivity
CU 1050pF Representative neuron capacity
VT 25mV Representative neuron threshold potential
Vreset -40mV Representative neuron reset potential
U1 -60mV Representative neuron reversal potential 1
U2 -40mV Representative neuron reversal potential 2
U0 -70mV Representative neuron initial potential
Ia 116pA Representative neuron tonic current
τw 200ms Adaptation current time constant
δw 100pA Adaptation current increment ap spike