From: A test-retest fMRI dataset for motor, language and spatial attention functions
Sequence | T1 | DTI | fMRI | ||||
---|---|---|---|---|---|---|---|
Overt word repetition | Covert verb generation | Overt verb generation | Motor | Landmark | |||
Manufacturer | GE | ||||||
Scanner model | Signa HDxt | ||||||
Magnetic field strength | 1.5T | ||||||
Rx coil type | 8 channel phased-array | ||||||
Pulse sequence type | 3D IRP (inversion recovery prepared) | single-shot spin-echo echo-planar imaging | single-shot gradient-echo echo-planar imaging | ||||
Number of shots (if > 1) | n/a | n/a | n/a | ||||
PE acceleration factor (if > 1) | n/a | n/a | n/a | ||||
PE acceleration type (if > 1) | n/a | n/a | n/a | ||||
PE partial Fourier scheme (if used) | n/a | n/a | n/a | ||||
In-plane FOV | 256 × 256 mm | 256 × 256 mm | 256 × 256 mm | ||||
In-plane matrix | 256 × 256 | 128 × 128 | 64 × 64 | ||||
In-plane inline filtering (if any) | n/a | n/a | n/a | ||||
Slice thickness | 1.3 mm | 2 mm | 4 mm | ||||
Inter-slice gap | 0 mm | 0 mm | 0 mm | ||||
Number of slices | 156 | 72 | 30 | ||||
Slice acquisition order | front to back | top to bottom | interleaved | ||||
Slice orientation | coronal | axial | axial | ||||
TR | 10 s | 16.5 s | 5 s | 2.5 s | 5 s | 2.5 s | 2.5 s |
TE | 4 s | 98 ms | 50 ms | ||||
No. of volumes in time series | 1 | 71 (7 × b = 0 and 64 × b = 1000 s/mm2) | 76 | 173 | 88 | 184 | 238 |
No. of averages/volume (if > 1) | n/a | n/a | n/a | ||||
Excitation flip angle (deg) | 8 | 90 | 90 | ||||
Fat suppression scheme | n/a | n/a | n/a | ||||
Sparse sampling delay (if used) | n/a | n/a | 2.5 s | n/a | 2.5 s | n/a | n/a |
Prospective motion correction scheme (if used) | n/a | n/a | n/a | ||||
Cardiac gating (if used) | n/a | n/a | n/a |