SUVR: standardised uptake value ratio T1: MRI spin–lattice or longitudinal relaxation time T2*: MRI measure of loss of phase coherence among spins oriented at an angle to the static magnetic field due to a combination of magnetic field inhomogeneities and the spin-spin relaxation T2: MRI ...
The amyloid PET images are registered to the T1-scan and visually rated as positive/negative by experienced nuclear medicine specialists [114]. Standardised uptake value ratios (SUVR) are calculated globally and locally from a T1-parcellation [115]. Regional grey matter amyloid load is calculated ...
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