TABLE 1.
Latencies in different types of hindlimb muscle tone suppression
| Pontine-Induced Suppression | Latency to Onset | Latency to Trough | ||
|---|---|---|---|---|
| Ipsi | Contra | Ipsi | Contra | |
| Early-phase suppression | ||||
| Traces (ipsi/contra) | ||||
| Type E, 23 (14/9) | 21.0 ± 3.3 (14) | 23.6 ± 2.3 (9) | 28.6 ± 4.2 (14) | 31.0 ± 3.7 (9) |
| Type B, 162 (82/80) | 21.1 ± 3.8 (82) | 22.9 ± 3.6 (80) | 27.5 ± 3.6 (80*) | 28.9 ± 3.6 (78*) |
| P value: E vs. B | 0.86 | 0.58 | 0.45 | 0.10 |
| Latency to Trough | Latency to Offset | |||
| Ipsi | Contra | Ipsi | Contra | |
| Late-phase suppression | ||||
| Type B, 162 (82/80) | 58.1 ± 5.3 (81*) | 57.9 ± 5.4 (80) | 70.8 ± 9.2 (82) | 70.2 ± 8.5 (80) |
| Type L, 111 (52/59) | 56.0 ± 7.2 (42*) | 58.1 ± 7.2 (53*) | 69.7 ± 10.7 (52) | 68.4 ± 9.5 (59) |
| P value: B vs. L | 0.06 | 0.88 | 0.51 | 0.24 |
| Medullary induced suppression | ||||
| Type B, 27 (15/12) | 53.0 ± 14.5 (15) | 55.4 ± 18.3 (12) | 65.2 ± 6.3 (15) | 64.8 ± 7.5 (12) |
| Type L, 33 (15/18) | 48.9 ± 20.9 (15) | 53.9 ± 16.5 (18) | 66.2 ± 17.0 (15) | 70.7 ± 12.3 (18) |
| P value: B vs. L | 0.54 | 0.83 | 0.82 | 0.15 mean ± SD |
Values expressed as means ± SD; number of traces in parentheses.
*
Differences in numbers of latency to trough caused by traces with a flat nadir.