Caffeine Effect on Cognitive Function during a Stroop Task: fNIRS Study

Figure 5

Mean Oxy-Hb concentration in PFC regions. (a) Mean Oxy-Hb concentration in PFC regions under normal/rest condition. (b) Mean Oxy-Hb concentration in PFC regions under normal/Stroop condition. (c) Mean Oxy-Hb concentration in PFC regions under coffee/rest condition. (d) Mean Oxy-Hb concentration in PFC regions under coffee/Stroop condition.

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