Mood symptoms, cognitive function, and changes of brain hemodynamics in patients with COVID-19: A functional near-infrared spectroscopy study

Figure 1 Channel arrangement and regions of interest for functional near-infrared spectroscopy measurement. The left and right dorsolateral prefrontal cortex (channels 6, 11, 14, 17-18, 20, 25, 31-34, 39, 42, 45, green label), left and right frontopolar area (channels 9, 15-16, 19, 21-23, 27-30, 33, 35-37, 41, 43, 48, purple label), left and right Broca’s area (channels 2-3, 5, 7-8, 13, 44, 46, 49, 50-51, 53, yellow label), left and right premotor and supplementary motor cortex (channels 1, 4, 10, 40, 47, 52, red label), left and right frontal eye fields (channels 12, 24, 26, 38, blue label).