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Study component characteristics.
| Child |
Adult |
|||
| Eyes open | Eyes closed | Eyes open | Eyes closed | |
| Sample size, N | 914 | 967 | 1190 | 1194 |
| Duration of recording (sec), mean (sd) | 163.2 (17) | 81 (63) | 183.5 (15) | 182.3 (9.5) |
| Channel quality, mean (SD) | 3.8 (0.24) | 3.79 (0.26) | 3.78 (0.26) | 3.97 (0.11) |
| Presence of peak alpha (%) | 48.2 | 59.5 | 57.1 | 71.3 |
| Frequency of peak alpha (Hz), mean (SD) | 8.19 (1.95) | 8.43 (1.73) | 10.73 (0.26) | 10.71 (3.96) |
