That paper does not use FreeSurfer. We don't have a way to compute "density". Usually this is used in the context of VBM, but I don't see that mentioned in the paper either.
On 08/21/2018 05:01 PM, Andrew Jahn wrote:
External Email - Use Caution
Hello,
Does FreeSurfer have an option for calculating gray matter density during recon-all, or does one need to calculate it manually? In that case, what is the formula?
The reason I would like to compute density is to replicate the effects show in this paper: http://www.jneurosci.org/content/early/2017/05/02/JNEUROSCI.3550-16.2017. I have seen other threads on FreeSurfer indicating that density is gray matter per unit volume, but it's unclear how to compute this.
Thanks!
-Andy
Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer