Fig. 2
From: Open access dataset integrating EEG and fNIRS during Stroop tasks

Position arrangement of the fNIRS probe channel of the system and the self-developed fNIRS system. (a) fNIRS probe site with the 10–20 system; (b) fNIRS probe site with the 10-10 system; (c) the self-developed optical fibre fNIRS brain function imaging instrument.