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Table 2 The scanners specifications and imaging parameters for the 3 T group

From: Assessment of the impact of the scanner-related factors on brain morphometry analysis with Brainvisa

Centre

D

E

F

G

H

MR scanner

GE 3 T HD

GE 3 T HDx

Siemens 3 T Tim Trio

Siemens 3 T Tim Trio

Philips 3 T Intera-Achieva

Head coil

8-channel

8-channel

8-channel

12-channel

8-channel

Acceleration factor

No

ASSET factor 2

No

No

SENSE factor 2

TR (ms)

6.5

7.0

9.0

9.4

8.2

TE (ms)

1.50

2.85

2.98

4.66

3.80

TI (ms)

500

650

900

900

885

Flip angle (°)

12

8

9

8

8

Image size (voxels)

260 × 260 × 160

260 × 260 × 160

256 × 256 × 160

256 × 256 × 160

256 × 256 × 160

Voxel size (mm3)

1.1 × 1.1 × 1

1.1 × 1 × 1

1 × 1 × 1

1 × 1 × 1

1 × 1 × 1

  1. TR, TE, and TI represent Repetition Time, Echo Time, and Inversion Time, respectively.