The issue was that some code was inserted into the surface deformation algorithm that helped the Wash U HCP images, but made the surfaces quite inaccurate on many other acquisitions. Are there actually papers that used it? I think we found the issue within a couple of weeks and retracted the version. I would be pretty cautious about using it – make sure the surfaces were visually inspected.

Cheers Bruce

From: freesurfer-bounces@nmr.mgh.harvard.edu freesurfer-bounces@nmr.mgh.harvard.edu On Behalf Of Douglas Greve Sent: Friday, September 18, 2020 10:50 AM To: freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] papers that have reported results using FS5.2

I can't remember what the issues where, but I don't think they were all that bad, something with surface placement. Bruce might remember better than me On 9/15/20 7:22 PM, Paul wrote:

External Email - Use Caution Dear Freesurfer Developers,

With Freesurfer 5.2 being listed as deprecated, are there any possible issues with papers that have reported results using FS5.2?

Thanks, Paul

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