Table 1.
Parameters | Letter | Value |
---|---|---|
Retinal wave | ||
Retinal wave evolution time step | 100 ms | |
ON RGC dendritic radius | 400 μm | |
AC dendritic radius | 40 μm | |
ON RGC bursting threshold | 14 unit | |
AII AC activation threshold | 0.5 unit | |
OFF RGC inhibition threshold | −0.2 unit | |
Wave filtering width | ||
RGC-V1 learning | ||
Retina-V1 size ratio | 1.98 (monkey) (Jang et al.,2020) 0.75 (cat) (Jang et al., 2020) 0.20 (mouse) (Jang et al.,2020) |
|
Spatial decay parameter of RGC to V1connection | 18 μm (cat mosaics) 24 μm (monkey mosaics) 18 μm (mouse mosaics) |
|
Initial weight of RGC to V1 connection | 0.05 | |
Nonlinearity of V1 sigmoidal response curve | 0.5 | |
Nonlinearity of V1 sigmoidal response curve | 0.15 | |
Time constant of firing rate average | 15 learning steps | |
Learning rate in Hebbian learning | 0.005 | |
Learning epochs | --- | 15 epochs |
Resource limit of single connection | 0.14 | |
Image filter size | 36 μm (cat mosaics) 56 μm (monkey mosaics) |
|
V1 horizontal connection network learning | ||
Initial weight of V1 horizontal connection | 0.01 | |
Time constant of firing rate average | 10 learning steps | |
Learning rate in Hebbian learning | 2 × 10−7 (cat/monkeymodels) 2 × 10−5 (mouse model) |
|
Learning epochs | --- | 30 epochs (cat/monkeymodels) 10 epochs (mouse model) |
Resource limit of single connection | 5 × 10−4 | |
V1 spontaneous activity | ||
Normalization weight of V1 horizontalconnection | 3 | |
Amplitude of local random stimulus | 10 | |
Spatial scale of local random stimulus | 20 μm | |
Amplitude of background noise stimulus | 0.01 | |
Spatial scale of background noise stimulus | 30 μm |