Figure 11From: Phonologically-based biomarkers for major depressive disorderPlot of the correlation between average phone power and HAMD score. Blue indicates a positive correlation, red a negative one. The size of the circle is scaled by the magnitude of the correlation. Only significant correlations (p-value < 0.05) are shown. Correlation coefficient range: max marker = 0.26; min marker = 0.19.Back to article page