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. Author manuscript; available in PMC: 2015 Jul 1.
Published in final edited form as: Neurobiol Aging. 2014 Feb 6;35(7):1549–1561. doi: 10.1016/j.neurobiolaging.2014.01.144

Table 1.

Fast spin-echo sequences from each of three MRI scanners employed in the current study.

GE Signa 3T Siemens Trio 3T Philips Achieva 3T
Subjects scanned 95 88 188
FOV (mm) 160 × 160 160 × 160 160 × 160
Acquisition matrix 256 × 256 256 × 256 260 × 258
Slice thickness (mm) 1.5 1.5 1.5
Native voxel dimensions (mm) 0.625 × 0.625 × 1.5 0.625 × 0.625 × 1.5 0.615 × 0.620 × 1.5
Native voxel volume (mm3) 0.59 0.59 0.57
Echo Times (ms) 13, 52 12, 35, 58 16.5, 33, 49.5, 66, 82.5
TR (ms) 3600 3750 4055
ETL 6 2 5
NEX 6 4 2
Scan time (min) 31 32 35