Table 1.

Model synapse

Group number	1	2	3	4	5	6	7	8
Terminals in group (N)	80	40	80	40	80	40	80	40
Vesicle release probability (P)	0.04	0.2	0.04	0.2	0.04	0.2	0.04	0.2
Average response to a vesicle (Q)	3	3	6	6	3	3	6	6

A simulation of a compound synaptic input was used to generate randomly fluctuating EPSCs. The model input consisted of 480 terminals with highly non-uniform properties. The terminals were divided into 8 groups.