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Time courses of ssMRE signals. (a) Averaged SNR time series for |S*| images (blue) and displacement fields (red). The gray area indicates the confidence interval. (b) Time course of relative stiffness changes (|G*| in %, red lines) and CAP paradigm (blue lines, |S*| signal from the temporal artery) for three volunteers investigated in this study. The 0%-baseline was defined based on mean |G*| during diastole as identified by the CAP-paradigm (gray vertical bars).
