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 |
|
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 |
|
3mM |
Initial extracellular potassium concentration |
[K]bath
|
7mM |
Extracellular potassium concentration |
|
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 |