| Description: | Functional brain images - task - DICOM |
| Category: | Assessment centre ⏵ Imaging ⏵ Brain MRI ⏵ Directly measured Brain MRI |
| Brain MRI scans + XNAT image package + Brain MRI |
| Participants | 70,621 | Value Type | Text | Sexed | Both sexes | Debut | Jul 2014 | |||
| Item count | 75,029 | Item Type | Bulk | Instances | Defined (2) | Version | Sep 2024 | |||
| Stability | Accruing | Strata | Primary | Array | No | Cost Tier | 2 |
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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+)
4,694 participants, 4,694 items
Data not meaningful for statistical summary
Resolution: 2.4x2.4x2.4 mm
Field-of-view: 88x88x64 matrix
Duration: 4 minutes (332 timepoints)
TR: 0.735 s
TE: 39ms
GE-EPI with x8 multislice acceleration, no iPAT, flip angle 52 degrees, fat saturation
As implemented in the CMRR multiband acquisition, a separate "single-band reference scan" is also acquired. This has the same geometry (including EPI distortion) as the timeseries data, but has higher between-tissue contrast to noise, and is used as the reference scan in head motion correction and alignment to other modalities.
| Field ID | Description | Relationship |
|---|---|---|
| 20225 | Functional brain images - resting - ... | Field 20225 is the resting counterpart of task-based Current Field |
| 20249 | Functional brain images - task - NIFTI | Field 20249 was derived from Current Field |
| Preview | Name | Res ID |
|---|---|---|
 | Example FMRI task DICOM dataset | 37 |
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