Skip to main content
. 2019 Jun 27;9(6):e026152. doi: 10.1136/bmjopen-2018-026152

Table 1.

MRI acquisition parameters

Weighting T1 weighted image Functional MRI (T2*)
Pulse sequence Inversion recovery Fast gradient echo
Imaging type MPRAGE Echo plannar imaging
Flip angle 9 90
Echo time (TE) 2.98 ms 30 ms
Repetition time (TR) 2.3 s 2.5 s
Number of volumes n/a Thermal runs: 245
Punctate run: 260
Resting state: 200
Number of discarded volumes n/a 0
Phase encoding Anterior/Posterior Anterior/Posterior
Parallel imaging GRAPPA *2 GRAPPA *2
Slice order and timing Interleaved Interleaved
Slice position procedure ACPC ACPC
Brain coverage Full brain Full brain
Field of view 256 192
Matrix size 256 * 256 64*64
Slice thickness 1 mm 3
Prospective motion correction None On

Details provided follow recommendations of the COBIDAS report (http://biorxiv.org/content/early/2016/07/10/054262).

ACPC, Anterior Commissure Posterior Commisure.