. 2014 Jul 14;6:149. doi: 10.3389/fnagi.2014.00149

Table 1.

Overview over the MRI sequences used in 1000BRAINS with relevant sequence parameters.

Name	Sequence parameters
T1 (3D-MPRAGE)	176 slices, TR = 2.25 s, TE = 3.03 ms, TI = 900 ms, FoV = 256 × 256 mm², flip angle = 9°, voxel resolution = 1 × 1 × 1 mm³
T2 (3D-SPACE)	176 slices, TR = 3.2 s, TE = 417 ms, FoV = 256 × 256 mm², voxel resolution = 1 × 1 × 1 mm³
DTI (30 directions)	EPI, TR = 7.8 s, TE = 83 ms, 4 b0-images (interleaved), 30 images with b = 1000 s/mm², voxel resolution = 2 × 2 × 2 mm³
DTI (60 directions, HARDI subset)	EPI, TR = 6.3 s, TE = 81 ms, 7 b0-images (interleaved), 60 images with b = 1000 s/mm², voxel resolution = 2.4 × 2.4 × 2.4 mm³
HARDI (120 directions)	EPI, TR = 8 s, TE = 112 ms, 13 b0-images (interleaved), 120 images with b = 2700 s/mm², voxel resolution = 2.4 × 2.4 × 2.4 mm³
Functional and resting-state MRI	EPI, 36 slices, TR = 2.2 s, TE = 30 ms, FoV = 200 × 200 mm², flip angle = 90°, voxel resolution = 3.1 × 3.1 × 3.1 mm³
T2 (FLAIR)	25 slices, TR = 9 s, TE = 100 ms, FoV = 220 × 220 mm², flip angle = 150°, voxel resolution = 0.9 × 0.9 × 4 mm³
Angiography (ToF)	40 slices, TR = 22 ms, TE = 3.86 ms, voxel resolution = 0.7 × 0.5 × 0.7 mm³

DTI, diffusion tensor imaging; EPI, gradient-echo echoplanar imaging; FLAIR, fluid-attenuated inversion recovery; FoV, field of view; HARDI, high angular resolution diffusion imaging; MPRAGE, magnetization prepared rapid acquisition gradient echo; SPACE, sampling perfection with application optimized contrasts using different flip angle evolution; TE, echo time; TI, inversion time; ToF, time of flight; TR, repetition time. T1, T2, weighting of the applied MRI sequence.