Research Article
A Recurrent Increase of Synchronization in the EEG Continues from Waking throughout NREM and REM Sleep
Table 3
Significance levels of differences between waking and sleep stages for the dominant frequency shifts in different frequency bands (F3).
| (a) Waking |
| | | R | N1 | N2 | N3 |
| | Beta | — | — | 0.05 | 0.001 | | Sigma | — | — | 0.05 | — | | Alpha | — | — | 0.01 | 0.001 | | Theta | 0.05 | — | — | — | | Delta | — | 0.001 | 0.001 | 0.001 |
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|
| (b) REM sleep |
| | | W | N1 | N2 | N3 |
| | Beta | — | — | 0.05 | 0.001 | | Sigma | — | — | 0.05 | 0.01 | | Alpha | — | — | 0.01 | 0.05 | | Theta | 0.05 | — | 0.05 | 0.01 | | Delta | — | 0.01 | 0.001 | 0.001 |
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|
| (c) N1 sleep |
| | | W | R | N2 | N3 |
| | Beta | — | — | 0.05 | 0.001 | | Sigma | — | — | 0.01 | 0.05 | | Alpha | — | — | 0.01 | 0.001 | | Theta | — | — | — | 0.05 | | Delta | 0.001 | 0.01 | 0.05 | 0.01 |
|
|
| (d) N2 sleep |
| | | W | R | N1 | N3 |
| | Beta | 0.05 | 0.05 | 0.05 | 0.001 | | Sigma | 0.05 | 0.05 | 0.01 | 0.01 | | Alpha | 0.01 | 0.01 | 0.01 | 0.01 | | Theta | — | — | — | — | | Delta | 0.001 | 0.001 | 0.05 | 0.05 |
|
|
| (e) N3 sleep |
| | | W | R | N1 | N2 |
| | Beta | 0.001 | 0.001 | 0.001 | 0.001 | | Sigma | — | 0.01 | 0.05 | 0.01 | | Alpha | 0.001 | 0.05 | 0.001 | 0.01 | | Theta | — | 0.01 | 0.05 | — | | Delta | 0.001 | 0.001 | 0.01 | 0.05 |
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|
“—”: not significant.
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