Figure 12From: Brain connectivity extended and expandedLeft: enlarged the initial power spectrum of channel 1, with the dominant power spectrum line corresponding to 50 Hz artefact, with the value 54; note that the only prominent lines are in the lower part of the spectrum, the second dominating – the 150 Hz line. Right: marked position of 528 Hz; note that the neighborhood of C2 in the complete spectrum has no discernible line, with the value 2.7 at 528 Hz.Back to article page