Fig. 2

Within-group differences in DTI-ALPS indices between left and right hemispheres in the HCs (a) and NIHL (b) groups. The DTI-ALPS indices are presented through violin plots with embedded box plots. Gray lines: within-subject hemispheric connections. Black diamonds: group means. Significance: *p < 0.05, **p < 0.01, ***p < 0.001.