Table 7.
Connectivity matrix for the command interneuron circuit.
| Postsynaptic neuron | Presynaptic neurons | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| ASH | AVA | AVB | AVD | AVE | DVA | PVC | F | B | |
| AVA | 1.75 | – | 6.75 | 15.75 | 10.5 | 2.0 | 5.0 | – | 0.25 |
| – | – | – | – | – | – | (2.5) | (3.5) | (25.5) | |
| AVB | 2.25 | 0.5 | – | 0.25 | – | 0.5 | 7.75 | – | – |
| – | – | – | – | – | (1.0) | – | (13.75) | (0.5) | |
| AVD | 3.0 | 1.0 | 0.75 | – | 0.25 | – | 3.25 | – | 0.25 |
| – | – | – | – | – | – | – | – | – | |
| AVE | 0.75 | 1.0 | 0.75 | – | – | 7.0 | 1.25 | – | – |
| – | – | – | – | – | – | – | – | – | |
| DVA | – | – | – | – | – | – | 2.0 | 0.5 | – |
| – | – | (1.0) | – | – | – | (0.5) | (0.5) | – | |
| PVC | – | 7.0 | – | 0.25 | 0.25 | 2.0 | – | 0.25 | 1.25 |
| – | (2.5) | – | – | – | (0.5) | – | (0.75) | (0.75) | |
| F | – | 2.5 | 0.25 | 0.25 | 0.25 | 6.5 | – | – | – |
| – | (3.5) | (13.75) | – | – | (0.5) | (0.75) | – | – | |
| B | – | 41.75 | 1.5 | 7.0 | 8.25 | 1.0 | 1.0 | – | – |
| – | (25.5) | (0.5) | – | – | – | (0.75) | – | – | |
Shown are average anatomical number of synapses (Ns, ij) and gap junctions (Ne, ij) (in the brackets below synaptic contacts) between postsynaptic neuron i and presynaptic neuron j. Symbols F and B denote forward and backward motor neurons, respectively.