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Table 2 1.5T and 3T brain MRI acquisition protocols

From: Automated segmentation of cerebral deep gray matter from MRI scans: effect of field strength on sensitivity and reliability

 

1.5T

3T

Scanner manufacturer

GE Signa LX

Siemens Skyra

Operation system version

11×

D13

Coil

Quadrature head coil

20-channel head and neck coil

Type of sequence

3D SPGR

3D MPRAGE

Acceleration factor for parallel imaging

N/A

2

Orientation

Sagittal

Sagittal

Field of view (cm)

24 × 24

24 × 25.6

Matrix size

256 × 256

240 × 256

Number of slices

166

176

Repetition time (msec)

8.176

2300

Echo time (msec)

3.856

2.96

Flip angle (degrees)

20

9

Voxel size (mm)

0.938 × 0.938 × 1.2

1.0 × 1.0 × 1.0

Scan time (minutes)

6:24

5:12

Number of signal averages

1

1

  1. Key: SPGR spoiled gradient recalled echo, MPRAGE magnetization-prepared rapid acquisition gradient echo