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. 2013 Sep 19;7:592. doi: 10.3389/fnhum.2013.00592

Figure 1.

Figure 1

Proximal vs. distal ROIs in TMS-fNIRS and TMS-EROS experiments. Proximal ROIs are those directly activated by a TMS coil. Distal ROIs are those activated trans-synaptically by TMS. Optodes are depicted in blue and the path of near-infrared light between an emitter and detector is depicted in red.