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Dear FreeSurfer Developers,

I am attempting to preprocess my 7T MP2RAGE UNI image (0.65 mm isotropic resolution, TR = 5000 ms, TE = 2.54 ms) using FreeSurfer 8.2.0 with the following recon-all command:

recon-all -all -i sub-01_t1w.nii -s sub-01

According to a discussion thread I found in the FreeSurfer archive, it seems that it is acceptable to run the default recon-all pipeline directly on raw MP2RAGE UNI images without prior skull stripping. 

1. May I know that whether this is still the recommended approach for FreeSurfer 8.2.0?

2. Additionally, if I want to use FreeSurfer version 7, would it be preferable to perform skull stripping beforehand, or is it still advisable to use the raw UNI image directly?

Thank you very much for your guidance and/or suggestions.

Best regards,
Huaiyu

_________________________________________

Huaiyu Liu (Ted)
Postdoctoral Research Fellow
Department of Imaging Neuroscience, Functional Imaging Laboratory

University College London
12 Queen Square, London WC1N 3AR

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