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A computer monitor displays EEG brain-mapping software. Top row shows colourful head-map scalp plots labelled Delta, Theta, Alpha, SMR, Theta Power, Beta1 Power, Theta/Beta Power and Mean Freq, in blue, red and yellow tones. Below, a long strip of multichannel brainwave traces runs along a timeline, with channel labels such as FP1, F3, C3, P3 and O1 down the left side, and a purple bar column on the right. No people are visible.