Happy New Year Dear!
I need to get a less detailed brain atlas than the Brainnetome: I need to combine some areas of the brain on the Brainnetome atlas so that areas belonging to the same area are counted as one zone. By this way I would get an atlas with about 64 zones. As I understand it, the task will be solved by editing the original (Brainnetome) .nii file. Can you tell me how to do this?
Thank you for your help!
Dear colleague, thank you for your question and your request. The latter is complex to answer! I think the most effective solutions for simplifying this brainnetome atlas would be to explore sites like the "Brainnetome Atlas Official Website" and the "GitHub Repository for Brainnetome Atlas". The alternative would be to model your wish digitally, but in terms of coding I'm not competent to help you with this request.
Kind regards
Doctor Alexis Demas - Neurologist
Hello，to create a less detailed brain atlas by combining areas in the Brainnetome atlas, you will need to use neuroimaging software that can handle NIfTI files (.nii), such as FSL, SPM, or FreeSurfer. Here are the general steps you would follow: Step1. Open the Brainnetome atlas NIfTI file in the neuroimaging software. Step2. Identify the regions you wish to combine based on your criteria for grouping areas. Step3. Edit the atlas file by assigning the same numeric label to voxels of regions that you want to combine. Step4. Save the modified atlas as a new NIfTI file.
Remember that you need to maintain the consistency of the atlas, so each unique numeric label in the modified atlas should represent a unique brain zone.
Shi-You Yang Hello! Thank You a lot! Now I`m trying to do this using FSL.
Alexis Demas Thank You ! I have already figured out the issue a little - there is still work to coordinate labels and voxels during the parcellation.
Have a good day!
upd
Thanks everyone for your help! As a result I edited the atlas using NiBabel for Python [ https://nipy.org/nibabel/ ] .
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