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[FIX] Clarify that BIDS standard template data is to be in scanner coordinates (MEG, iEEG, EEG) #1031

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May 2, 2022
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[FIX] Clarify that BIDS standard template data is to be in scanner coordinates (MEG, iEEG, EEG) #1031

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clarify that BIDS standard template data is to be in scanner coordinates
alexrockhill Mar 19, 2022
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Update src/99-appendices/08-coordinate-systems.md
alexrockhill Apr 5, 2022
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move to different location
alexrockhill Apr 5, 2022
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8 changes: 4 additions & 4 deletions src/99-appendices/08-coordinate-systems.md
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Expand Up @@ -37,7 +37,7 @@ units are expressed in mm.

The coordinate systems below all relate to neuroscience and therefore to the
head or brain coordinates.
$Please be aware that all data acquisition starts with
Please be aware that all data acquisition starts with
"device coordinates" (scanner), which does not have to be identical to the
initial "file format coordinates" (DICOM), which are again different from the
"head" coordinates (for example, NIFTI).
Expand Down Expand Up @@ -112,7 +112,7 @@ Restricted keywords for the `<CoordSysType>CoordinateSystem` field in the
- `4DBti`: ALS orientation and the origin between the ears
- `KitYokogawa`: ALS orientation and the origin between the ears
- `ChietiItab`: RAS orientation and the origin between the ears
- Any keyword from the list of [Standard template identifiers](#standard-template-identifiers)
- Any keyword from the list of [Standard template identifiers](#standard-template-identifiers): RAS orientation and the origin at the center of the gradient coil for template NifTI images

In the case that MEG was recorded simultaneously with EEG,
the restricted keywords for
Expand All @@ -138,7 +138,7 @@ Restricted keywords for the `<CoordSysType>CoordinateSystem` field in the
For more information, see the
[EEGLAB wiki page](https://eeglab.org/tutorials/ConceptsGuide/coordinateSystem.html#eeglab-hj-coordinate-system).

- Any keyword from the list of [Standard template identifiers](#standard-template-identifiers)
- Any keyword from the list of [Standard template identifiers](#standard-template-identifiers): RAS orientation and the origin at the center of the gradient coil for template NifTI images

In the case that EEG was recorded simultaneously with MEG,
the restricted keywords for
Expand Down Expand Up @@ -182,7 +182,7 @@ Restricted keywords for the `<CoordSysType>CoordinateSystem` field in the
is not aligned to ACPC, `ScanRAS` should be used.

- Any keyword from the list of
[Standard template identifiers](#standard-template-identifiers)
[Standard template identifiers](#standard-template-identifiers): RAS orientation and the origin at the center of the gradient coil for template NifTI images

## Image-based Coordinate Systems

Expand Down