diff --git a/src/04-modality-specific-files/10-functional-near-infrared-spectroscopy.md b/src/04-modality-specific-files/10-functional-near-infrared-spectroscopy.md index 367efc9e08..ecc5a7e645 100644 --- a/src/04-modality-specific-files/10-functional-near-infrared-spectroscopy.md +++ b/src/04-modality-specific-files/10-functional-near-infrared-spectroscopy.md @@ -306,12 +306,12 @@ Not all fnirs systems provide 3D coordinate information or digitisation capabili Fields relating to the fNIRS optode positions: -| **Key name** | **Requirement level** | **Data type** | **Description** | -| ------------------------------------ | --------------------------------------------------------------- | ------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -| fnirsCoordinateSystem | REQUIRED | [string][] | Defines the coordinate system in which the optode positions are expressed. See Appendix VIII for a list of restricted keywords for coordinate systems. If Other, provide definition of the coordinate system in NIRSCoordinateSystemDescription. | -| fnirsCoordinateUnits | REQUIRED | [string][] | Units in which the coordinates that are listed in the field NIRSCoordinateSystem are represented. MUST be m, cm, or mm. | -| fnirsCoordinateSystemDescription | RECOMMENDED, but REQUIRED if `fnirsCoordinateSystem` is `Other` | [string][] | Freeform text description or link to document describing the NIRS coordinate system system in detail (for example, "Coordinate system with the origin at anterior commissure (AC), negative y-axis going through the posterior commissure (PC), z-axis going to a mid-hemisperic point which lies superior to the AC-PC line, x-axis going to the right"). | -| fnirsCoordinateProcessingDescription | RECOMMENDED | [string][] | Has any post-processing (such as projection) been done on the optode positions (for example, "surface_projection", "none"). | +| **Key name** | **Requirement level** | **Data type** | **Description** | +| ----------------------------------- | -------------------------------------------------------------- | ------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | +| NIRSCoordinateSystem | REQUIRED | [string][] | Defines the coordinate system in which the optode positions are expressed. See Appendix VIII for a list of restricted keywords for coordinate systems. If Other, provide definition of the coordinate system in NIRSCoordinateSystemDescription. | +| NIRSCoordinateUnits | REQUIRED | [string][] | Units in which the coordinates that are listed in the field NIRSCoordinateSystem are represented. MUST be m, cm, or mm. | +| NIRSCoordinateSystemDescription | RECOMMENDED, but REQUIRED if `NIRSCoordinateSystem` is `Other` | [string][] | Freeform text description or link to document describing the NIRS coordinate system system in detail (for example, "Coordinate system with the origin at anterior commissure (AC), negative y-axis going through the posterior commissure (PC), z-axis going to a mid-hemisperic point which lies superior to the AC-PC line, x-axis going to the right"). | +| NIRSCoordinateProcessingDescription | RECOMMENDED | [string][] | Has any post-processing (such as projection) been done on the optode positions (for example, "surface_projection", "none"). | Fields relating to the position of fiducials measured during an fnirs session/run: