bthirion

[API] Contrast images are systematically 4D images, even if they're only one-dimensional

17

### Is there an existing issue for this? - [X] I have searched the existing issues ### Operating system - [X] Linux - [ ] Mac - [ ] Windows...

Cifti support

16

Nistats may provide realtively easily gifti and cifti support. As a first setp, we can provide an example showing how to process cifti-sampled fMRI data. In the longer term, if...

### Is there an existing issue for this? - [x] I have searched the existing issues ### Operating system - [x] Linux - [ ] Mac - [ ] Windows...

[ENH] Handling of SurfaceData in compute_contrast

3

Closes #4020

[ENH] Find a way to distinguish left/right hemisphere in SurfaceLabelsMasker

2

### Is there an existing issue for this? - [x] I have searched the existing issues ### Describe your proposed enhancement in detail. Currently, some atlases have the same labels/indices...

Ward parcellation does not yield connected clusters...

9

... while it should Code to reproduce: ``` from nilearn.regions import Parcellations from nilearn.plotting import view_img from nilearn.datasets import fetch_neurovault_ids from nilearn.masking import compute_background_mask func_img = fetch_neurovault_ids(image_ids=['360527']).images[0] mask_img = compute_background_mask(func_img)...