Table 1.
Properties of the lesions
| Lesion category | Animal reference | Proportion of axons severed | Axons used for STA |
|---|---|---|---|
| 2 week | |||
| L1, M2 | A89 | 0/5 | — |
| L2, M3 | A66 | 2/5 | 2 |
| L3, M2 | A67 | 3/3 | 2 |
| A69 | 4/6 | 2 | |
| A70 | 3/3 | 2 | |
| L3, M4 | B2 | 3/4 | 3 |
| B4 | 6/6 | 6 | |
| L4, M2 | A65 | 3/3 | 3 |
| Total (excluding A89) | 24/30 | 20 | |
| 16 week | |||
| L1, M3 | A56 | 0/4 | — |
| L2, M0 | A74 | 3/6 | 3 |
| L3, M2 | A71 | 5/5 | 4 |
| A72 | 4/4 | 3 | |
| L4, M0 | A83 | 6/8 | 5 |
| L4, M1 | A79 | 2/2 | 2 |
| A82 | 3/4 | 3 | |
| L4, M2 | A80 | 4/5 | 4 |
| L4, M3 | B11 | 4/4 | 4 |
| L4, M4 | A53 | 3/3 | 3 |
| Total (excluding A56) | 34/41 | 31 | |
Lesion categories are as illustrated in Fig. 3D and E. The numbers of axons used for spike-triggered averages (STA) are less than those listed as severed because the recordings were not all sufficiently stable to perform STA at all sites on a rostral or caudal grid.