Table 2.
Impact of pharmacologically or electrically evoked fictive locomotion on the membrane potential of spinal inspiratory and expiratory neurons
| Cell type | N | Number of neurons tested |
Locomotion-induced membrane oscillations | ||
|---|---|---|---|---|---|
| NMA/5HT only | SCA stimulation only | Both | |||
| Inspiratory | |||||
| Cervical MN | 7 | 3 | 4 | 0/7 | |
| Thoracic MN | 3 | 1 | 1 | 1 | 0/3 |
| Cervical IN | 9 | 4 | 4 | 1 | 0/9 |
| Thoracic IN | 1 | 1 | 0/1 | ||
| Expiratory | |||||
| Thoracic MN | 6 | 2 | 1 | 3 | 6/6 |
| Lumbar MN | 8 | 8 | 8/8 | ||
| Thoracic IN | 4 | 1 | 3 | 4/4 | |
| Lumbar IN | 7 | 7 | 7/7 | ||
MN, motoneuron; IN, interneuron; SCA, sacrocaudal afferent.