Table 1 MRI acquisition parameters.

From: Cortical morphology predicts placebo response in multiple sclerosis

Site

Scanner and scan

Resolution

Voxel size

TR

TE

TI

Site 1

Philips Intera 3T

3D T1 weighted

320 × 320 × 200

0.8 × 0.8 × 0.8

6.2

3.0

 

3D T2 weighted

320 × 320 × 200

0.8 × 0.8 × 0.8

2500

363

 

FLAIR

320 × 320 × 200

0.8 × 0.8 × 0.8

8000

337

2400

Site 2

Siemens Verio 3T

3D T1 weighted

320 × 320 × 176

0.78 × 0.78 × 0.78

1900

3.4

900

3D T2 weighted

512 × 512 × 160

0.488 × 0.488 × 1.0

3200

409

 

FLAIR

320 × 320 × 160

0.83 × 0.83 × 0.83

8000

337

2400

Site 3

Philips Achieva 3T

3D T1 weighted

320 × 320 × 200

0.8 × 0.8 × 0.8

6.2

3.0

 

3D T2 weighted

320 × 320 × 200

0.8 × 0.8 × 0.8

2500

363

 

FLAIR

320 × 320 × 200

0.8 × 0.8 × 0.8

8000

337

2400

Site 4

Philips Achieva 3T

3D T1 weighted

320 × 320 × 112

0.8 × 0.8 × 1.6

6.5

3.2

 

3D T2 weighted

320 × 320 × 112

0.8 × 0.8 × 1.6

2500

255

 

FLAIR

336 × 336 × 112

0.76 × 0.76 × 1.6

4800

330

1650

Controls: Site1

Philips 3T Achieva

3D T1 weighted

256 × 250 × 165

1.0 × 1.0 × 1.0

8.1

3.5

 

Controls: OASIS

(Siemens TIM Trio 3T)

3D T1 weighted

256 × 256 × 176

1.0 × 1.0 × 1.0

2400

3.16

 
  1. 3 T = 3 Tesla; 3D = 3-dimensional, TR = repetition time; TE = echo time; TI = inversion time; FLAIR = Fluid Attenuated Inversion Recovery; Site 1 control scans were acquired with parallel imaging, SENSE factor 1.5.