Table 2.
Comparison of power declines at 5 different electrode sites
| Delta Power |
Theta Power |
|||||
|---|---|---|---|---|---|---|
| Site | C9 (9.3 yrs) | C12 (17.9 yrs) | Percent Decline | C9 (9.3 yrs) | C12 (17.9 yrs) | Percent Decline |
| Fz | 1599 μV2 | 641 μV2 | 59.9% | 226 μV2 | 81 μV2 | 64.3% |
| Cz | 1921 μV2 | 500 μV2 | 74.0% | 249 μV2 | 77 μV2 | 69.0% |
| C4 | 1324 μV2 | 357 μV2 | 73.0% | 163 μV2 | 53 μV2 | 67.5% |
| C3 | 1264 μV2 | 366 μV2 | 71.0% | 167 μV2 | 56 μV2 | 66.5% |
| O1 | 828 μV2 | 196 μV2 | 76.4% | 114 μV2 | 47 μV2 | 58.8% |
Average delta and theta power are listed for the first recording (mean age = 9.3 years) from the C9 cohort and for the twelfth recording (mean age = 17.9 years) from the C12 cohort.