Sensors included in each analysis region. Anterior components were analyzed over left (24,25,21,30,29,36,28,35), central (4,5,10,11,12,16,19,20) and right (3,124,119,118,117,111,112) regions. Posterior components were analyzed over left (51,52,58,59,60,65,66), central (67,68,72,73,76,77,78), and right (85,86,91,92,93,97,98) regions. 10-20 electrode names are presented for reference.