Table 3.
Respiratory cells that were excited during REM sleep with mechanical hyperventilation
| Cell | Type | η2 | NREM rate(impulses s−1) | REM rate (impulses s−1) | Delay to increased activity in REM (s) |
|---|---|---|---|---|---|
| I75 | I | 0.9 | 15.62 | 19.32 | 70 |
| I52 | I | 0.9 | 0.62 | 2.33 | 50 |
| I82 | I | 0.8 | 0.37 | 2.00 | 40 |
| I40 | I | 0.8 | 0.00 | 18.26 | 40 |
| I61 | I | 0.7 | 3.45 | 4.96 | 70 |
| I69 | I | 0.5 | 9.60 | 16.92 | 0 |
| I89 | I | 0.5 | 1.00 | 11.00 | — |
| I84 | I | 0.4 | 1.00 | 5.38 | 80 |
| I90 | Iaug | 0.9 | 0.00 | 7.89 | — |
| I70 | Iaug | 0.8 | 5.88 | 33.00 | 0 |
| I32 | Idec | 0.8 | 18.20 | 20.51 | 50 |
| I58 | Idec | 0.8 | 0.00 | 1.25 | 28 |
| I62 | Idec | 0.6 | 12.50 | 25.00 | — |
| I79 | EI | 0.9 | 16.67 | 32.14 | 70 |
| I33 | EI | 0.9 | 5.00 | 32.50 | 40 |
| I88 | EI | 0.7 | 17.14 | 31.79 | 0 |
| I27 | E | 0.6 | 0.29 | 11.99 | 5 |
| I38 | E | 0.5 | 0.36 | 3.55 | 60 |
| Mean | 5.98 | 15.54 | 40.2 | ||
| s.d. | 6.97 | 11.59 | 28.1 |
Cell type and η2 value were determined in eupnoea. NREM rate and REM rate are discharge rates during mechanical hyperventilation. Abbreviations: I, inspiratory; Iaug, augmenting inspiratory; Idec, decrementing inspiratory; EI, expiratory-inspiratory; E, expiratory.