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Table 3 Parameter values in Fig.  7 . Parameters that differed between Fig. 7 A and Fig. 7 B are separated by a slash. In Fig. 7 B, for each neuron, ζ is chosen from a normal distribution with mean zero and variance 1, and γ is chosen from a uniform distribution on \(\pmb{[0,2]}\)

From: Stable Control of Firing Rate Mean and Variance by Dual Homeostatic Mechanisms

Parameter

Meaning

Value

N

Number of neurons in network

1 / 200

dt

Euler timestep

0.01 s / 0.05 s

\(\tau_{{{x}}}\)

x homeostatic time constant

\(4\times 10^{4}~\mbox{s}\) / 5,000 s

\(\tau_{g}\)

g homeostatic time constant

\(4\times10^{6}~\mbox{s}\) / \(1\times10^{6}~\mbox{s}\)

\(\tau_{r}\)

firing rate time constant

1 s

\(r_{{{x}}}\)

x homeostasis target firing rate

20 / 20 + ζ

\(r_{g}\)

g homeostasis target firing rate

21 / \(r_{{{x}}} + 2\gamma\)

\(f_{{{x}}}\)

x homeostasis control function

\(f_{{{x}}}(r) = r\)

\(f_{g}\)

g homeostasis control function

\(f_{g}(r) = r^{2}\)