Table 7.

Significant results obtained in the ANOVA of the relative PSD with factors: group of subjects, anterior–posterior, and laterality

Bands	OA	OC
Delta (1–2 Hz)	Within-subjects: Anterior–posterior p < .001 F = 170.94, gl = [1.33, 82.65], eta partial squared = .734 Laterality x Anterior–posterior p < .001 F = 6.04, gl = [3.35, 207.9], eta partial squared = .089	Within-subjects: Laterality p < .001 F = 11.96, gl = [1.87, 89.73], eta partial squared = .199 Anterior–posterior p < .001 F = 482.79, gl = [1.31, 62.73], eta partial squared = .910 Laterality x Anterior–posterior p < .001 F = 11.54, gl = [3.17, 152.02], eta partial squared = .194
Theta (4–7 Hz)	Within-subjects: Laterality p < .001 F = 37.15, gl = [1.96, 121.74], eta partial squared = .375 Anterior–posterior p < .001 F = 45.31, gl = [1.45, 89.7], eta partial squared = .422 Laterality x Anterior–posterior p < .001 F = 40.78, gl = [3.68, 228.11], eta partial squared = .397	Within-subjects: Laterality p < .001 F = 32.75, gl = [1.91, 91.93], eta partial squared = .406 Anterior–posterior p < .001 F = 43.14, gl = [1.39, 66.81], eta partial squared = .473 Laterality x Anterior–posterior p < .001 F = 16.35, gl = [3.14, 150.41], eta partial squared = .254
Alpha (8–11 Hz)	Within-subjects: Laterality p = .001 F = 7.64, gl = [1.95, 121.09], eta partial squared = .110 Anterior–posterior p < .001 F = 101.71, gl = [1.15, 71.62], eta partial squared = .621 Laterality x Anterior–posterior p = .043 F = 2.76, gl = [3.01, 186.6], eta partial squared = .043 Laterality x Anterior–posterior x group p = .049* F = 2.67 gl = [3.01, 186.6], eta partial squared = .041	Within-subjects: Laterality p < .001 F = 8.96, gl = [1.96, 94.01], eta partial squared = .157 Anterior–posterior p < .001 F = 178.6, gl = [1.16, 55.76], eta partial squared = .788 Laterality x Anterior–posterior p < .001 F = 6.94, gl = [2.76, 132.29], eta partial squared = .126
Beta (13–20 Hz)	Within-subjects: Laterality p < .001 F = 61.12, gl = [1.45, 89.73], eta partial squared = .496 Anterior–posterior p < .001 F = 50.39, gl = [1.34, 82.90], eta partial squared = .448 Laterality x Anterior–posterior p < .001 F = 15.99, gl = [3.54, 219.48], eta partial squared = .205	Within-subjects: Laterality p < .001 F = 23.3, gl = [1.99, 95.63], eta partial squared = .327 Anterior–posterior p < .001 F = 39.11, gl = [1.21, 58.2], eta partial squared = .449 Laterality x Anterior–posterior p < .001 F = 21.31, gl = [3.59, 172.62], eta partial squared = .307

The ANOVA was computed independently for the open (OE) and closed eyes (CE) conditions. The results in which the factor group was significant as a main or interactive effect are indicated with an asterisk