Fig. 1From: Novel diagnostic tools for identifying cognitive impairment using olfactory-stimulated functional near-infrared spectroscopy: patient-level, single-group, diagnostic trialOlfactory-stimulated oxygenation in the orbitofrontal cortex in patients with CN, MCI, and AD. The top and bottom of each box indicate the interquartile range; the I bars represent 1.5 times the interquartile range; the horizontal line inside each box represents the median; the circles represent outliers. These values were analyzed using the Wilcoxon rank sum testBack to article page