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. 2013 Dec 13;7:861. doi: 10.3389/fnhum.2013.00861

Figure 1.

Figure 1

Head probes used to interrogate the DLPFC and MFG. Left: source channels (red) are arranged at a separation distance of 3 cm from two detectors (green, “D”), shown schematically with respect to the International 10–20 locations. The shallow sources, located at 1 cm from the detectors, provide channel 4 for the DLPFC array, which is near F4, and channel 2 for the MFG array, which is between FPz and FP2. The probes consistently producing the traces with the highest task model fit parameters were DLPFC probe channels 1–3 and MFG channel 1 (as numbered, left). Right: the skin-side of the array of head probes used for the MFG.