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Table 2 MRI sequences and parameters used in the study; S and T define Sagittal and Transversal orientation, respectively

From: Study protocol: the Whitehall II imaging sub-study

  Structural Functional
Sequence MEMPR FLAIR T2* dMRI Multiband Standard
Condition ———————————— ———————————— ——————————— ———————————— Resting Resting
TR in ms 2530 9000 36 8900 1300 3000
TE in ms 1.79/3.65/5.51/7.37 73 30 91.2 40 30
Flip angle 150° 15° ———————————— 66° 90°
Voxel in mm 3 1x1x1 0.9x0.9x3 0.7x0.7x1.5 2x2x2 2x2x2 3x3x3
FoV read 256 220 220 192 212 192
FoV phase 100% 100% 81.3% 100% 100% 100%
Base resolution 256 256 320 96 106 64
Phase resolution 100% 100% 100% 100% 100% 100%
TI in ms 1380 2500 ——————————— ———————————— ———————————— ————————————
Bandwidth 651 Hz/Px 283 Hz/Px 170 Hz/Px 1680 Hz/Px 1814 Hz/Px 2368 Hz/Px
Orientation S T T T T T
b-value ————————— ——————————— —————————— 1500 s/mm2 ——————————— —————————————
N. of volumes ————————— ——————————— ————————— —————————— 460 200
N. of directions —————————— ——————————— —————————— 60 + 5 b = 0 s ———————————— —————————————
Acquisition time 6 m 12 s 4 m 14 s 4 m 17 s 9 m 56 s 10 m 10 s 10 m