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| Description: | Susceptibility weighted brain images - NIFTI |
| Category: | Assessment centre ⏵ Imaging ⏵ Brain MRI ⏵ UKB brain imaging pipeline ⏵ Susceptibility weighted brain MRI |
| Brain MRI scans + XNAT image package + Brain MRI |
| Participants | 57,839 | Value Type | Text | Sexed | Both sexes | Debut | Oct 2015 | |||
| Item count | 62,142 | Item Type | Bulk | Instances | Defined (2) | Version | Oct 2023 | |||
| Stability | Accruing | Strata | Derived | Array | No | Cost Tier | dX o2 s3 |
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The values held within this field are coded links to files held within a bulk repository, not the actual data itself.
Instance 3 : First repeat imaging visit (2019+)
4,650 participants, 4,650 items
Data not meaningful for statistical summary
The source DICOM images were acquired using the following parameters:
Resolution: 0.8x0.8x3 mm
Field-of-view: 256x288x48 matrix
Duration: 2.5 minutes
Two echos, TE=9.42,20 ms
2D, axial, in-plane acceleration iPAT=2, partial Fourier = 7/8, prescan-normalise
To date (Oct 2015) the magnitude and phase images have been saved for each RF coil and echo time separately. In future the expectation is to combine these on the scanner.
The average size of these NIFTI datasets is 35MB per participant.
| Field ID | Description | Relationship |
|---|---|---|
| 20219 | Susceptibility weighted brain images ... | Current Field was derived from Field 20219 |
| Preview | Name | Res ID |
|---|---|---|
 | Example of susceptibility weighted brain images in NIFTI format | 20251 |
 | Mapping of FMRIB brain pipeline headers to UKB fields | 2006 |
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