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. 2020 Apr 15;14:113. doi: 10.3389/fnhum.2020.00113

FIGURE 2.

FIGURE 2

Optode setup with three source and six detector optodes, placed on nine points according to the international 10-20 EEG system. Large orange dots represent reference points of the 10-20 system, whereas small orange dots represent reference points of the extended 10-10 EEG system (Oostenveld and Praamstra, 2001). The red lines represent 14 source-detector pairs (each forming an fNIRS channel). Image created using NIRSite (v.1) software (NIRx Medizintechnik GmbH, Berlin, Germany; RRID: SCR_002491).