RESULTS
For all participants, alpha power was highest at occipital and parietal electrodes, both for the eyes-closed and pre-stimulus EEG data. Alpha power for pre-stimulus EEG-recording was substantially reduced compared to eyes-closed EEG recording (Fig 2).
Figure 2: Topography of resting state alpha band (8 – 13 Hz) power, recorded from 128-electrode EEG. The topographies display data averaged over all participants. Alpha band power was highest in the occipital region for both eyes-closed EEG recording (left) and pre-stimulus EEG recording (right).