Fig. 3: ROC curves assessing SVM performance using ALFF, fALFF, ReHo, and FCS.

a ALFF; b fALFF; c ReHo; d FCS. ROC receiver operating characteristic, SVM support vector machine, ALFF amplitude of low-frequency fluctuations, fALFF fractional amplitude of low-frequency fluctuations, ReHo regional homogeneity, FCS functional connectivity strength