TABLE 2.
Slow wave and spindle event counts from channels FP1 and CZ among the DREAMS subjects.
| EEG channel | Mean total slow waves (SD) | Mean early-fast spindles (SD) | Mean late-fast spindles (SD) | Mean coupled early-fast + slow waves (SD) | Mean coupled late-fast + slow waves (SD) |
| FP1 | 7,289.30 (1,286.37) | 2,608.25* (649.68) | 3,192.05** (629.39) | 1,400.60* (462.25) | 1,977.95* (448.41) |
| CZ | 7,267.10 (1,323.57) | 2,912.35* (717.88) | 2,780.00** (610.75) | 1,692.10* (516.90) | 1,671.90* (436.68) |
| EEG Channel Pair | N3 sleep mean coupled early-fast + slow waves (SD) | N3 sleep mean coupled late-fast + slow waves (SD) | N2 sleep mean coupled early-fast + slow waves (SD) | N2 sleep mean coupled late-fast + slow waves (SD) | N3 sleep mean percent late-fast + slow waves (SD) | N2 sleep mean percent late-fast + slow waves (SD) |
| FP1-CZ | 736.95 (389.56) | 1,058.50 (435.30) | 955.15 (285.72) | 919.45 (382.03) | 59.90** (9.57) | 48.55** (6.22) |
| CZ-CZ | 736.95 (389.56) | 796.05 (345.28) | 955.15 (285.72) | 875.85 (351.63) | 53.14* (11.80) | 47.53* (6.73) |
| FP1-FP1 | 583.65 (352.12) | 1,058.50 (435.30) | 816.95 (259.25) | 919.45 (382.03) | 65.56** (9.27) | 52.49** (5.54) |
SD, standard deviation.
For statistical comparison between FP1 and CZ: *denotes P < 0.001, and **P <0.0001.