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Simultaneous plots of signal intensity on DW images (thick line), signal intensity due to altered ADC (intermediate line), and signal intensity due to T2 effect (thin line). In this logarithmic plot, the effects of T2 and ADC add together to produce the total signal intensity seen on the DW image. The vertical lines separate four periods based on the magnitudes and signs (ie, positive or negative) of the relative contributions of SIb0 and SIRAT to SIDWI.
