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Electrode selection from maximum amplitude responses and spatial evolution of the stimulus-evoked activity over the first 800 ms post-stimulus. Changes in the raw spatial activity is presented in 200 ms intervals for each of the stimulus modalities. Visual stimulation evoked large response amplitudes at electrode Oz, both tactile and noxious stimulation evoked large response amplitudes at electrode Cz, and auditory stimulation evoked mild response amplitudes at electrode T3.
