Table 3.
Differences in EEG Power by sleep state (Active Sleep, AS: Quiet Sleep, QS), and changes in power with postmenstrual age (PMA) within two age ranges (35-45 and 46-52 weeks). With outliers removed (see Methods) Ns varied.
| 35-45 weeks , (N= 109-111) | ||||
|---|---|---|---|---|
| Frequency | QS vs AS power | QS: slope with PMA | AS: slope with PMA | QS vs AS slope |
| .3 – 3 Hz | - | ↑ p<.05 | - | - |
| 4 – 6 Hz | QS >AS p<.001 | ↑ p<.001 | ↑ p<.001. | - |
| 7 – 9 Hz | QS>AS p<.001 | - | - | - |
| 10 – 12 Hz | QS>AS p<.001 | ↓ p<.001 | ↓ p<.001 | - |
| 13 – 15HZ | - | ↓ p<.001 | ↓ p< 001 | - |
| 16 – 18HZ | AS>QS p<.001 | ↓ p<.001 | ↓ p<001 | - |
| 19 – 21 Hz | AS>QS p<.001 | ↓ p<.001 | ↓ p<001 | - |
| 22 – 24 Hz | AS>QS p<.001 | ↓ p<.001 | ↓ p<001 | - |
|
| ||||
| 46-52 weeks, (N=62-63) | ||||
| Frequency | QS vs AS power | QS: slope with PMA | AS: slope with PMA | QS vs AS slope |
|
| ||||
| .3 – 3 Hz | QS>AS p<.001 | ↑ p<.05 | - | - |
| 4 – 6 Hz | QS>AS p<.001- | ↑ p<.01 | - | - |
| 7 – 9 Hz | QS>AS p<.001 | ↑ p<.05 | - | - |
| 10 – 12 Hz | QS>AS p<.001 | ↑ p<.001 | - | QS>AS p<.05 |
| 13 – 15HZ | QS>AS p<.001 | ↑ p<.001 | - | QS>AS p<.001 |
| 16 – 18HZ | - | ↑ p<.01 | - | - |
| 19 – 21 Hz | AS>QS p<.001 | - | - | - |
| 22 – 24 Hz | AS>QS p<.001 | ↑ p<.05 | - | - |
Note: ↑ indicates positive slope, ↓, indicates negative slope, - indicates p>0.05.