Table 3. Voltage threshold, AHP amplitude and AHP duration of ramp spikes
| Ramp motoneurone property | KX fast cells | KX slow cells | Decerebration fast cells | P value |
|---|---|---|---|---|
| Data are presented as means ± 1 s.d. of all MNs in each group and include all f–I relationship types. * Significant difference between KX fast and slow motoneurones; † significant difference between KX and decerebration fast motoneurones. | ||||
| Ramp Vth (mV) | −45.1 ± 6.1 | −45.5 ± 10.6 | −40.5 ± 5.2 | † 0.007 |
| n = 9 | n = 7 | n = 6 | ||
| Ramp AHP amplitude (mV) | 8.6 ± 2.0 | 10.6 ± 2.7 | 9.4 ± 2.3 | * 0.000 |
| n = 9 | n = 7 | n = 6 | † 0.02 | |
| Ramp AHP ¾ duration time (ms) | 19.9 ± 3.3 | 41.8 ± 19.7 | 35.9 ± 14.9 | * 0.000 |
| n = 9 | n = 7 | n = 6 | † 0.000 | |