Table 4.
Average number of synaptic connections between model neurons of different types
| Presynaptic neuron | Postsynaptic neuron |
||||||
|---|---|---|---|---|---|---|---|
| RB | dla | dlc | aIN | cIN | dIN | mn | |
| RB | 0 | 1968 (53) | 3386 (75) | 0 | 0 | 43 (22) | 0 |
| dla | 0 | 1 (1) | 6 (3) | 1017 (40) | 1861 (65) | 1467 (57) | 1650 (83) |
| dlc | 0 | 0 | 0 | 1783 (86) | 2555 (147) | 1886 (122) | 4268 (159) |
| aIN | 0 | 5 (4) | 19 (8) | 2264 (90) | 3911 (179) | 2887 (128) | 4319 (179) |
| cIN | 0 | 0 | 3 (3) | 5007 (153) | 6894 (334) | 5084 (281) | 12197 (337) |
| dIN | 0 | 1 (2) | 22 (8) | 3491 (99) | 6040 (232) | 4093 (179) | 7334 (211) |
| mn | 0 | 0 | 0 | 218 (26) | 219 (29) | 169 (25) | 586 (50) |
The first row shows the numbers of connections from RB sensory neurons to neurons of all types (RB, dla, dlc, etc.). Averages and SDs (in parentheses) are calculated using 500 connection architectures generated by the growth model.