Table 1.
Characteristics of test participants and stimulation epochs.
| Subject # | Gender | Age, y | Amplitude Threshold, µV | Sleep N2 Stage | Sleep N3 Stage | ||
|---|---|---|---|---|---|---|---|
| # of Epochs/# of Stimuli per Epoch 1 | # of Epochs Taken in Analysis 2 | # of Epochs/# of Stimuli per Epoch 1 | # of Epochs Taken in Analysis 2 | ||||
| 1 | female | 41 | −25 | 38/4.1 | 6 × 3 | 34/5.7 | 4 × 3 |
| 2 | male | 33 | −25 | 50/4.2 | 10 × 3 | 56/6.2 | 9 × 3 |
| 4 | male | 46 | −25 | 59/4.3 | 12 × 3 | 44/6.3 | 7 × 3 |
| 5 | female | 43 | −25 | 43/4.8 | 9 × 3 | 43/7.7 | 12 × 3 |
| 6 | female | 21 | −25 | 35/5.1 | 5 × 3 | 79/7.4 | 21 × 3 |
| 7 | female | 40 | −25 | 70/4.3 | 15 × 3 | 53/5.8 | 9 × 3 |
| 8 | female | 21 | −30 | 31/4.5 | 4 × 3 | 62/6.6 | 11 × 3 |
| 9 | female | 22 | −35 | 29/4.3 | 4 × 3 | 53/7.3 | 15 × 3 |
| 10 | female | 24 | −30 | 53/4.7 | 12 × 3 | 44/7.5 | 11 × 3 |
1 Number of 30-s artifact-free sleep EEG epochs with stimulation (3–8 paired stimuli)/number of paired stimuli per epoch; 2 Number of epochs selected for analysis, equal across 3 stimulation modalities (light, sound, light and sound) and matched by number of stimuli presented per modality epoch.