bids-specification

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BEP: Optically Pumped Magnetometer-based Magnetoencephalography (OPM-MEG)

3

Hello, [@bids-maintenance](https://github.com/bids-maintenance) and everyone in the BIDS community, We are currently working on the proposal for incorporating ***optically pumped magnetometer-based magnetoencephalography (OPM-MEG)*** into BIDS specification. Here is an initial draft...

psyxw

[BUG] Insufficient changes to extend `task-<label>` to anatomical data

2

### Describe your problem in detail. In #1185, the `task-` entity was introduced, but at the same time, it introduced two problems: 1. The PR did not include any language...

oesteban

Event onset times can be out of order

2

Some datasets on OpenNeuro do not have their events ordered in ascending order by the `onset` time. I couldn't find anything in the spec about this.... but I think downstream...

VisLab

Consider adding the Relative Table Position information

9

### Background The relative table position is essential to convert from the "patient" coordinate system to the "scanner" coordinate system. For our application in MRI, it would allow to know...

po09i

BEP021: Electrophysiological Derivatives

1

This PR aims to integrate BEP021 (Electrophysiological Derivatives) into the BIDS specification. It is a work in progress (a draft PR). As a group we decided in several meetings that...

sappelhoff

[ENH] Use TSV for DWI gradients, and allow both voxel- and world- coordinates conventions

33

Adds a dwi tsv option with gradient directions in physical coordinates instead of image axes. Addresses #349.

mattcieslak

Entities applicable to derivatives only

2

In stalking the Copenhagen BIDS Derivatives meeting, I passed comment on the fact that as the scope of BIDS Derivatives increases, there will be an increasing number of entities that...

Lestropie

Extend Teams descriptions with BEPs they relate to

1

ATM it is tricky-to-impossible to figure out what `@team-to-alert` while talking about some BEP. I had a line of thought where I thought initially to suggest to Introduce WG (Working...

yarikoptic

https://github.com/bids-standard/bids-specification/blob/40f4fbb0649a8dab65f4327df342251ad841bfb8/src/common-principles.md?plain=1#L289-L291 although this sentence might make it seem as if it were. (re: discussion at sprint)

sappelhoff

Best way to have more support for termURL in json related to tabular files ?

3

Having `termURL` fields as described [here](https://bids-specification.readthedocs.io/en/stable/03-modality-agnostic-files.html) is great, but it seems limited to the column names and not e..g. to the categorical `Levels`. For example, imagining we have the `group`...

neurorepro