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Dear FreeSurfer users, 

We are excited to announce a major update to FR[AI]ME, the macOS QuickLook extension for neuroimaging data. This release adds full 4D image support, making it significantly more useful for researchers working with time-series and diffusion MRI data.

What's new in 3.0:

• 4D volume navigation — scrub through fMRI runs, perfusion series, or any 4D NIfTI directly in Finder. No need to open FSLeyes, FreeView, ITK-SNAP etc. just to check a volume.
• Diffusion MRI b-vector/b-value visualisation — an interactive 3D sphere plots every gradient direction on its b-shell, highlighting the currently selected volume. Just place .bvec/.bval files alongside your image and preview the parent directory.

What else can FR[AI]ME do:

• Image overlay — select a parent directory to preview and choose any two images as base/overlay with independent colour maps and opacity.
• Multiple colour maps including FreeSurfer LUT, Inferno, Magma, Spectral, and more.
• Supported formats: NIfTI (.nii/.nii.gz), FreeSurfer (mgh/mgz), DICOM.

FR[AI]ME 3.0 is available now on the Mac App Store: https://apps.apple.com/us/app/fr-ai-me/id6751278949

For questions or feedback, contact info@ainostics.com.