Table 1.
Synaptic weight-dependent definition of memory and different forms of functional organization of two interconnected neuronal populations. The different functional organizations are defined based on the average excitatory synaptic weights $〈ω~11〉$, $〈ω~22〉$, $〈ω~21〉$, and $〈ω~12〉$ at equilibrium in relation to the average inhibitory synaptic weights ($θ~$).
Memory representation$〈ω~11〉$$〈ω~22〉$$〈ω~21〉$$〈ω~12〉$functional organizationabbreviationcolor code
✗ $<θ~$ $<θ~$ − − none nm grey

✓ $>θ~$ $>θ~$ $<θ~$ $<θ~$ discrimination disc blue

$<θ~$ $>θ~$ sequence 12 s12 yellow

$>θ~$ $<θ~$ sequence 21 s21 green

$>θ~$ $>θ~$ association asc red

bistable various bs pink
Memory representation$〈ω~11〉$$〈ω~22〉$$〈ω~21〉$$〈ω~12〉$functional organizationabbreviationcolor code
✗ $<θ~$ $<θ~$ − − none nm grey

✓ $>θ~$ $>θ~$ $<θ~$ $<θ~$ discrimination disc blue

$<θ~$ $>θ~$ sequence 12 s12 yellow

$>θ~$ $<θ~$ sequence 21 s21 green

$>θ~$ $>θ~$ association asc red

bistable various bs pink
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