highly significantP < 0.0001
3 E ), but a highly significant difference in occipital sensors ( F 2,42 = 5.9; P < 0.0001, Fig. 3 E ) with more SWA peaks in OFF (N SWA = 0.51) versus ON (N SWA = 0.27; t 14 = 3.4; P = 0.004) and versus MID trials (N SWA = 0.25; t 14 = 2.6; P = 0.02) in theboccipital region.