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Hey Doug,

thanks so much for your answer!

Do you mean the "Max" column? This is the only one that changes signs in all my results. I used abs in the analyses. So if the order in my FSGD file is subjects of the groups ADHD, Comorbid and Typically developing; my contras matrix looks like this: 1 0 -1 and the output for e.g. volume is this:

ClusterNo Max VtxMax Size(mm^2) MNIX MNIY MNIZ CWP CWPLow CWPHi NVtxs Annot 1 -3.086 143615 165.54 34.0 -10.4 -34.8 0.84806 0.84310 0.85285 273 fusiform

... does this mean there is decreased volume in the ADHD group compared to the typically developing group? Am I interpreting it right?

Best Lea ------------------------------ Lea Backhausen Research Assistant

Department of Child and Adolescent Psychiatry, Faculty of Medicine of the TU Dresden, Germany http://www.uniklinikum-dresden.de

-----Original Message----- From: freesurfer-bounces@nmr.mgh.harvard.edu freesurfer-bounces@nmr.mgh.harvard.edu On Behalf Of freesurfer-request@nmr.mgh.harvard.edu Sent: Thursday, December 06, 2018 6:00 PM To: freesurfer@nmr.mgh.harvard.edu Subject: Freesurfer Digest, Vol 178, Issue 7

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Today's Topics:

1. visual cortex {Disarmed} (???) 2. Longitudinal processing and paralllel flag (Erik O'Hanlon) 3. Re: visual cortex {Disarmed} (Bruce Fischl) 4. Re: [PETsurfer] Use of MGX and RBV partial volume correction (Greve, Douglas N.,Ph.D.) 5. Re: Fwd: Overall maxima is high and still no significant cluster (Greve, Douglas N.,Ph.D.) 6. Re: mris_preproc paired diff outputs 0 values (Greve, Douglas N.,Ph.D.) 7. fsaverage6 FS6 (Sanfelici, Rachele) 8. Re: Direction of significant group comparison (Greve, Douglas N.,Ph.D.) 9. Re: Extracting ROI from atlases (Greve, Douglas N.,Ph.D.)

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Message: 1 Date: Thu, 6 Dec 2018 16:58:32 +0800 (GMT+08:00) From: ??? zhengfenglian0105@163.com Subject: [Freesurfer] visual cortex {Disarmed} To: "Freesurfer support list" freesurfer@nmr.mgh.harvard.edu Message-ID: 1cd7a499.10465.16782bd7046.Coremail.zhengfenglian0105@163.com Content-Type: text/plain; charset="gbk"

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Hi experts,

I want to do some research on the cortical thickness of visual cortex using FS 6.0. Is there specified or associated cortex model for the segmentation of visual cortex? Thanks for your reply in advance. I need your help.

Sincerely, Zheng

| | ??? | | ???zhengfenglian0105@163.com |

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