Mmbb.7z -

: The .7z extension indicates that the dataset is compressed using the 7-Zip format to handle the massive file sizes typical of high-resolution neuroimaging. Why you might see "Proper":

: It contains multi-modal brain imaging data, typically including MRI (structural, functional, diffusion), and sometimes clinical or demographic metadata. MMBB.7z

: The paper describes the acquisition, preprocessing, and validation of the brain imaging data to ensure it is "properly" formatted for machine learning and neuroscience research. typically including MRI (structural

(or the corresponding journal version published in Scientific Data or similar venues depending on the version). Key Details of the Paper: MMBB.7z

In the context of dataset sharing (especially on platforms like Hugging Face, Academic Torrents, or OpenNeuro), "proper" often distinguishes the of the data from preliminary or "leaked" versions.