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Table 2 Parameters of brain MRI sequences

From: Systemic cross-talk between brain, gut, and peripheral tissues in glucose homeostasis: effects of exercise training (CROSSYS). Exercise training intervention in monozygotic twins discordant for body weight

Sequence Slice orientation Phase encoding direction Number of slices Field of view (mm2) Slice gap (mm) Voxel size (mm3) Repetition time (ms) Echo time (ms) Inversion time Flip angle (°) Bandwidth (Hz/Px) Imaging mode Acceleration mode (factor)
T2 TSE Transversal R> > L 35 224 × 182 0.8 0.6 × 0.6 × 4.0 6600.0 89.0 N/A 150 224 2D GRAPPA (2)
T1 MPRAGE Sagittal A> > P 192 256 × 240 N/A 1.0 × 1.0 × 1.0 2300 2.26 900 8 200 3D GRAPPA (2)
FLAIR Sagittal A> > P 192 256 × 240 0 1.0 × 1.0 × 1.0 5000 386 1800 Variable 751 3D GRAPPA (3)
Resting-state fMRI Transversal A> > P 48 220 × 220 0 3.4 × 3.4 × 3.4 3000 30 N/A 90 1562 2D GRAPPA (2)
Field mapping Transversal R> > L 48 220 × 220 0 3.4 × 3.4 × 3.4 350 4.92; 7.38 N/A 60 290 2D N/A
  1. TSE Turbo Spin Echo, GRAPPA GeneRalized Autocalibrating Partial Parallel Acquisition, MPRAGE Magnetization Prepared RApid Gradient Echo, FLAIR Fluid-Attenuated Inversion Recovery, fMRI Functional Magnetic Resonance Imaging, CAIPIRINHA Controlled Aliasing in Parallel Imaging Results in Higher Acceleration, HASTE Half-Fourier Acquisition Single-shot Turbo spin Echo imaging, VIBE Volometric Interpolated Breath-hold Examination, TRUFI TRUe Fast Imaging with steady-state free precession