Table 1.
Sleep-waking discharge characteristics of neurons in the parafacial zone
| Neuronal group | Total (%) | Mean discharge rate (±SEM) | Mean discharge ratio (±SEM) | ||||
|---|---|---|---|---|---|---|---|
| Waking | non-REM sleep | REM sleep | non-REMS/wake | REMS/wake | non-REMS/REMS | ||
| 1. Type 1 sleep-active neurons | 25 (29%) | 8.49 ± 0.66 (2.89–17.32) | 12.71 ± 0.92 (4.35–24.23) | 12.91 ± 1.07 (3.83–22.66) | 1.52 ± 0.03 (1.30–2.07) | 1.43 ± 0.05 (1.10–1.96) | 1.02 ± 0.03 (0.58–1.24) |
| 2. Type 2 sleep-active neurons | 9 (10%) | 8.40 ± 0.96 (4.51–13.09) | 13.87 ± 1.09 (10.82–20.33) | 9.65 ± 0.79 (7.42–14.03) | 1.74 ± 0.14 (1.37–2.72) | 1.20 ± 0.08 (0.95–1.36) | 1.45 ± 0.04 (1.33–1.57) |
| 3. REM sleep-active neurons | 4 (5%) | 5.36 ± 0.39 (4.41–6.15) | 6.06 ± 0.62 (4.49–7.46) | 13.89 ± 1.40 (11.74–17.89) | 1.12 ± 0.04 (1.02–1.21) | 2.59 ± 0.13 (2.37–2.91) | 0.44 ± 0.02 (0.38–0.48) |
| 4. Wake-REM sleep-active neurons | 21 (24%) | 14.27 ± 1.27 (5.88–24.23) | 9.43 ± 0.98 (2.88–17.53) | 15.39 ± 1.50 (7.21–30.24) | 0.64 ± 0.02 (0.42–0.75) | 1.08 ± 0.04 (0.81–1.38) | 0.61 ± 0.03 (0.45–0.83) |
| 5. Wake-active neurons | 9 (10%) | 13.87 ± 2.14 (6.05–21.88) | 5.79 ± 0.97 (2.40–9.95) | 8.29 ± 1.37 (3.55–15.72) | 0.42 ± 0.04 (0.28–0.60) | 0.60 ± 0.02 (0.45–0.73) | 0.72 ± 0.07 (0.45–1.05) |
| 6. State-indifferent neurons | 18 (21%) | 12.84 ± 1.29 (4.40–24.82) | 12.64 ± 1.32 (4.49–24.51) | 13.78 ± 1.43 (4.57–24.36) | 0.98 ± 0.03 (0.80–1.23) | 1.07 ± 0.02 (0.84–1.27) | 0.92 ± 0.03 (0.76–1.27) |
Mean is based on 3–5 episodes of each state. Numbers in parenthesis denote range.