Fig. 5.

Comparison of average total CEST signal intensities (integral of MTR_asym spectrum, ${\mathrm{MTR}}_{\mathrm{asym}}^{\mathrm{total}}$) of the substantia nigra, red nucleus, globus pallidus, putamen and caudate for PD patients (n=27) and normal controls (n=22). * P<0.05, ** P<0.01