Data-Field 2026300
| Description: | EMBARGOED LINKED : Arterial spin labelling brain images - NIFTI |
| Category: | Embargoed |
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Data
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Notes
EMBARGOED LINKED re-imaging for Calico/CZI
Arterial Spin Labelling images in NIFTI format. The source DICOM image was acquired using the following parameters:
- Resolution: 3.4x3.4x4.5 mm
- Field-of-view: 64x48x32 matrix
- Scan duration: 2 minutes
- Preparation: Multi-postlabelling delay pseudocontinuous arterial spin labelling, labelling duration 1800 ms, postlabelling delays 400, 800, 1200, 1600 and 2000 ms, labelling plane offset from the centre of the imaging volume 90 mm
- Readout: 2-shot segmented 3D-GRASE, left-right phase encoding, refocussing flip angle 120
- Background suppression: pre-saturation and two inversion pulses (to null tissues with T1 = 700 ms and 1400 ms, 100 ms prior to excitation)
- Volumes: one label/control pair per postlabelling delay plus one calibration (M0) volume without labelling or background suppression (effective TR 5000 ms).
The average size of these NIFTI datasets is 75MB per participant.
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