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Hi HSK We use it in the model fitting but do not segment it due to the absolute lack of contrast with the white matter. Kind regards, Eugenio

-- Juan Eugenio Iglesias Centre for Medical Image Computing (CMIC) Department of Medical Physics and Biomedical Engineering University College London http://www.jeiglesias.com

From: freesurfer-bounces@nmr.mgh.harvard.edu on behalf of Hyun Seok Kim khs0330kr@korea.ac.kr Reply-To: Freesurfer support list freesurfer@nmr.mgh.harvard.edu Date: Tuesday, 30 October 2018 at 17:10 To: "freesurfer@nmr.mgh.harvard.edu" freesurfer@nmr.mgh.harvard.edu Subject: [Freesurfer] Segmentation of thalamic nuclei - no reticular nucleus

External Email - Use Caution Dear all,

I ran thalamic nuclei segmentation tool using the "freesurfer-darwin-OSX-ElCapitan-dev-20180919-4c582fa" version. The segmented thalamic nuclei were visualized well by FreeView and were able to find most nuclei. But there is no reticular nucleus (R). I also checked the existence of the reticular nucleus with the following matlab code, but it did not exist.

y = MRIread('ThalamicNuclei.v10.T1.FSvoxelSpace.mgz'); find(y.vol == 8125)

Is there any way to find the reticular nucleus?

Best regards,

Hyun Seok Kim