Exploring zbrains outputs

What can you expect to find in your zbrains output directory? Let’s investigate…

Raw features: maps

Raw features sampled from neocortical and hippocampal surfaces, as well as subcortical structure volumes, can be found under the patients maps directory: <outputDirectory>/zbrains/<sub>/<ses>/maps. The maps directory thus contains three subdirectories:

- <mapsdir>/cortex
- <mapsdir>/hippocampus
- <mapsdir>/subcortex

The outputs can be broadly categorized according to the region and modality they are sampling.

- Cortical outputs:
    - <mapsdir>/cortex>/<BIDS_ID>_hemi-<X>_surf-fsLR-<X>k_feature-<X>_smooth-<X>mm.func.gii

- Hippocampal outputs:
    - <mapsdir>/hippocampus>/<BIDS_ID>_hemi-<X>_den-<X>mm_feature-<X>_smooth-<X>mm.func.gii

- Subcortical outputs:
    - <mapsdir>/subcortex>/<BIDS_ID>_feature-<X>.csv

Normalized features: Z-scored

Z-scored features sampled from neocortical and hippocampal surfaces, as well as subcortical structure volumes, can be found under the patients norm-z directory: <outputDirectory>/zbrains/<sub>/<ses>/norm-z. The norm-z directory thus contains three subdirectories:

- <norm-z>/cortex
- <norm-z>/hippocampus
- <norm-z>/subcortex

The outputs can be broadly categorized according to the region and modality they are sampling, as well as the analysis performed (regional vs. asymmetry) and the threshold defined by the user.

- Cortical outputs:
    - <norm-z>/cortex>/<BIDS_ID>_hemi-<X>_surf-fsLR-<X>k_feature-<X>_smooth-<X>mm_<analysis>_<threshold>.func.gii

- Hippocampal outputs:
    - <norm-z>/hippocampus>/<BIDS_ID>_hemi-<X>_den-<X>mm_feature-<X>_smooth-<X>mm_<analysis>_<threshold>.func.gii

- Subcortical outputs:
    - <norm-z>/subcortex>/<BIDS_ID>_feature-<X>_<analysis>_<threshold>.csv

Normalized features: Normative model

🚧 🚧 🚧 Under construction 🚧 🚧 🚧