Table 4.
Relative spectral power of qEEG in Alzheimer disease with "closing-in" and without "closing-in" phenomenon.
| Closing-in(-) (N = 38) | Closing-in(+) (N = 41) | Deformed (N = 19) | p-value* | ||
| Anterior field | Delta | 1.00 ± 0.13 | 1.09 ± 0.16 | 1.05 ± 0.13 | 0.446 |
| Theta | 1.09 ± 0.12 | 1.11 ± 0.17 | 1.14 ± 0.13 | 0.591 | |
| Alpha** | 1.13 ± 0.12 | 1.10 ± 0.08 | 1.01 ± 0.08 | 0.009 | |
| Beta | 1.38 ± 0.08 | 1.36 ± 0.08 | 1.34 ± 0.07 | 0.317 | |
| Centrotemporal field | Delta | 0.95 ± 0.14 | 1.00 ± 0.17 | 1.01 ± 0.13 | 0.489 |
| Theta | 1.09 ± 0.13 | 1.11 ± 0.16 | 1.13 ± 0.13 | 0.672 | |
| Alpha** | 1.15 ± 0.12 | 1.12 ± 0.09 | 1.01 ± 0.08 | 0.004 | |
| Beta | 1.38 ± 0.07 | 1.36 ± 0.08 | 1.01 ± 0.08 | 0.545 | |
| Posterior field | Delta | 0.94 ± 0.14 | 0.98 ± 0.18 | 1.01 ± 0.14 | 0.446 |
| Theta | 1.10 ± 0.13 | 1.13 ± 0.15 | 1.14 ± 0.13 | 0.636 | |
| Alpha** | 1.20 ± 0.13 | 1.18 ± 0.12 | 1.03 ± 0.09 | 0.001 | |
| Beta | 1.37 ± 0.07 | 1.35 ± 0.08 | 1.34 ± 0.07 | 0.679 |
* One-way ANOVA test ** Statistical significance was found between deformed and other groups.