Additional file 2 of Differences in gray matter volume in episodic migraine patients with and without prior diagnosis or clinical care: a cross-sectional study

Supplemental Fig. 2. Scatter plot of right dorsal medial prefrontal gyrus GMV with stress (PSS) score (a) and depression (PHQ-9) score (b) in EM patients with (blue) and without (red) prior clinical care. Plot of the relationship between GMV in the right DMPFC and psychosocial factors to show how GMV varies with scores.