Table 2. Hierarchical network parameters.
network | number of neurons | νexc,min (kHz) | νexc,max (kHz) | νinh,min (kHz) | νinh,max (kHz) | fosc (Hz) | wexc (nA) | winh (nA) |
---|---|---|---|---|---|---|---|---|
response function (see Fig 1) | 1 | 0.5–30 | 0.5–30 | 0.4–31 | 0.4–31 | const. | 0.5 | -0.5 |
entropy (see Fig 2) | 4 | 0.25 | 10 | 0.1 | 10.3 | 1 | 1.0 | -0.5 |
NORB (see Fig 3) | (3600, 500, 10) | 0.5 | 20 | 0.4 | 20.6 | 1 | 0.5 | -0.5 |
MNIST (see Fig 4) | (784, 400, 10) | 0.5 | 22 | 0.4 | 22.7 | 2 | 0.5 | -0.5 |