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. 2022 Oct 26;12:17993. doi: 10.1038/s41598-022-21870-5

Figure 1.

Figure 1

OPM sensor array and measurement setup in the magnetically shielded room. (a) We developed a sensor array for arranging six OPM sensors. The OPM sensor array had nine sockets in which to insert OPM sensors. Six OPM sensors were fixed in the sockets marked by blue rectangles. The center sensor (marked with an asterisk) was positioned on the participant’s T3 point, which was overlying the left auditory cortex according to the EEG sensor layout. (b) The OPM sensor array was positioned to cover the temporal region of the left side of the participant’s head while the participant was sitting in the magnetically shielded room. The auditory stimuli were delivered through an ear tube to the participant’s right ear.