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Table 2 Set up of the MRI protocol used in the study

From: Physical activity in an air-polluted environment: behavioral, psychological and neuroimaging protocol for a prospective cohort study (Healthy Aging in Industrial Environment study – Program 4)

MRI sequences and parameters
Imaging parameter 3D T1 MPRAGE Axial T2 TSE Axial T2 Dark fluid TSE FS ep2d diff 3scan trace
Repetition time (ms) 2200 3200 7910 4800
Echo time (ms) 2.72 91 83 113
Inversion time (ms) 900 2359
Slice thickness (mm) 1 4 4 5
Field of view (mm) 256 230 215 230
Matrix size 197 × 256 210 × 320 179 × 256 176 × 176
Flip angle (°) 8 150 150
Bandwidth (Hz/Px) 160 191 190 812
Echo train length 7 4
Signal average 1 2 2
Number of slices 192 34 34 20
Acquisition time (min:s) 3:39 1:38 2:24 1:23
  1. MPRAGE (Siemens) Magnetization Prepared – Rapid Gradient Echo; TSE Turbo Spin Echo, FS Fat Saturation