Table 2.
Spindle characteristics for regions and non-REM sleep stage
| Cortex | Frontal | Temporal | Rolandic | Parietal | Occipital | |
|---|---|---|---|---|---|---|
| Data | ||||||
| Number of patients | 20 | 12 | 19 | 15 | 17 | 14 |
| Number of channels | 357 | 80 | 101 | 33 | 102 | 41 |
| Number of spindles | ||||||
| NREM | 1531.90 (1725.98) | 1983.60 (1342.65) | 717.16 (738.15) | 1535.39 (1018.27) | 2015.47 (2151.13) | 1451.71 (2527.84) |
| N2 | 1035.79 (1340.84) | 1239.12 (949.93) | 582.27 (664.69) | 1091.61 (823.01) | 1280.22 (1520.19) | 1103.22 (2444.47) |
| N3 | 496.11 (707.19) | 744.48 (658.88) | 134.89 (184.73) | 443.79 (494.25) | 735.25 (962.72) | 348.49 (591.08) |
| Density (min−1) | ||||||
| NREM | 1.64 (1.58) | 2.12 (1.45) | 0.71 (0.40) | 1.73 (1.10) | 2.30 (2.03) | 1.28 (1.60) |
| N2 | 1.82 (1.67) | 2.29 (1.50) | 0.85 (0.49) | 2.03 (1.20) | 2.55 (2.14) | 1.31 (1.56) |
| N3 | 1.43 (1.62) | 2.03 (1.53) | 0.49 (0.44) | 1.30 (1.11) | 2.08 (2.16) | 1.01 (1.13) |
| Frequency (Hz) | ||||||
| NREM | 12.28 (0.63) | 12.10 (0.34) | 11.89 (0.28) | 12.47 (0.59) | 12.74 (0.68) | 12.28 (0.80) |
| N2 | 12.30 (0.63) | 12.15 (0.36) | 11.90 (0.27) | 12.54 (0.59) | 12.75 (0.69) | 12.29 (0.79) |
| N3 | 12.22 (0.66) | 12.01 (0.34) | 11.84 (0.35) | 12.28 (0.63) | 12.73 (0.74) | 12.23 (0.77) |
| Duration (s) | ||||||
| NREM | 0.70 (0.05) | 0.72 (0.05) | 0.68 (0.02) | 0.72 (0.04) | 0.71 (0.06) | 0.69 (0.03) |
| N2 | 0.71 (0.05) | 0.73 (0.05) | 0.68 (0.03) | 0.72 (0.04) | 0.73 (0.07) | 0.70 (0.03) |
| N3 | 0.69 (0.06) | 0.72 (0.04) | 0.66 (0.03) | 0.72 (0.09) | 0.68 (0.06) | 0.69 (0.06) |
| Amplitude (µV) | ||||||
| NREM | 141.24 (72.76) | 120.56 (64.92) | 120.48 (58.76) | 147.60 (71.68) | 156.88 (80.96) | 188.76 (67.76) |
| N2 | 141.40 (72.64) | 121.24 (64.20) | 120.32 (58.32) | 146.92 (71.80) | 157.08 (81.08) | 188.64 (68.72) |
| N3 | 142.44 (73.64) | 121.88 (65.96) | 121.28 (58.84) | 154.76 (75.48) | 156.56 (82.08) | 188.72 (67.60) |
Counts and means (SD) across channels shown.