Table 4 Parameters
From: Computational models of episodic-like memory in food-caching birds
Symbol | Description | Minimum | Maximum |
|---|---|---|---|
τs | stomach time constant | 0.5 min | 10.0 min |
τd | digestion time constant | 0.0 min | 20.0 min |
τh | appetite increase time constant | 50.0 min | 300.0 min |
nf | nutritional value | 0.1 | 1.0 |
\({v}_{f}^{{{{{{{{\rm{eat}}}}}}}}}\) | eating preferences | 0.1 | 1.0 |
\({v}_{f}^{{{{{{{{\rm{cache}}}}}}}}}\) | caching preferences | 0.0 | 1.0 |
ηeat | eating bias | -1.0 | 1.0 |
ηinspect | inspection bias | -2.0 | 0.5 |
sinspect | inspection preference slope | 0.0 | 5.0 |
ηcache | caching bias | -1.0 | 1.0 |
αfresh | freshness learning rate | 0.0 | 1.0 |
αreward | retrieval reward learning rate | 0.0 | 0.9 |
αpilfer | pilfer learning rate | 0.0 | 0.2 |
αdegrade | degradation learning rate | 0.0 | 0.2 |
τhungry | hunger–caching time constant | 100.0 min | 500.0 min |
\({w}_{0}^{{{{{{{{\rm{cache}}}}}}}}}\) | initial caching weights | 0.0 | 1.0 |
δeat | eating time-out | 10.0 s | 200.0 s |
δinspect | inspection time-out | 10.0 s | 200.0 s |
δcache | caching time-out | 10.0 s | 200.0 s |
δother | other action time-out | 10.0 s | 200.0 s |
pother | other action preference | 0.0 | 1.0 |
