Table 1. Parameters of the integrare-and-fire simulations.

PARAMETER	VALUE
Network parameters
: number of neurons in the network	10000
: number of excitatory neurons	0.8
: number of inhibitory neurons	0.2
: number of external neurons	800
: number of selective populations	8
: fraction of excitatory cells in each selective population	0.1
: relative strength of single potentiated synapses	2.2
: relative strength of single depressed synapses
: relative strength of inhibitory synapses	1.15
: additive term to the homeostatic condition	0.02
: spike rate at external synapse	2.4 kHz
Neuronal parameters (excitatory and inhibitory)
: resting membrane potential	−70 mV
: firing threshold	−50 mV
: reset potential	−55 mV
Neuronal parameters (excitatory)
: membrane capacitance	0.5 nF
: membrane leak conductance	25 nS
: reversal potencial	0 mV
: refractory period	2 ms
Neuronal parameters (inhibitory)
: membrane capacitance	0.2 pF
: membrane leak conductance	20 nS
: reversal potencial	−70 mV
: refractory period	1 ms
Synaptic parameters (excitatory and inhibitory)
: synaptic latency	0.5 ms
: extracellular magnesium	1 mM
: decay time of AMPA currents	2 ms
: decay time of GABA currents	10 ms
: rise time of NMDA currents	2 ms
: decay time of NMDA currents	100 ms
: normalisation factor for NMDA PSCS	0.5
: gain factor in magnesium block	0.062
: modulatory factor of magnesium block	3.57 mM
Synaptic parameters (excitatory)
: external AMPA synaptic conductance	2.08 nS
: recurrent AMPA synaptic conductance	104 nS/
: recurrent NMDA synaptic conductance	327 nS/
: recurrent GABA synaptic conductance	1250 nS/
Synaptic parameters (inhibitory)
: external AMPA synaptic conductance	1.62 nS
: recurrent AMPA synaptic conductance	81 nS/
: recurrent NMDA synaptic conductance	258 nS/
: recurrent GABA synaptic conductance	973 nS/