Dear to FreeSurfer expert,

Thank you for your suggestion. I tried inputting below command but it said that no wm found... so I took out --surf orig, still nothing showed up.

tkregisterfv --s tal_before --fstal --surf orig

Because of that, I used tkregister2 instead for another attempt.

The T1 and FLAIR images look fine to me. Below are the screenshots for your reference:

T1.nii

FLAIR.nii

Please kindly advise. Thank you.

Yours sincerely,

Krystal

From: freesurfer-bounces@nmr.mgh.harvard.edu <freesurfer-bounces@nmr.mgh.harvard.edu> on behalf of Douglas N. Greve <dgreve@MGH.HARVARD.EDU>
Sent: 03 April 2023 22:12:20
To: freesurfer@nmr.mgh.harvard.edu
Subject: Re: [Freesurfer] [FreeSurfer] error in talairach_afd

wow, that looks really bad. Does the volume look ok? No artifacts or major pathology? Also, you can use tkregisterfv instead of tkregister -- it is a nicer interface

On 4/3/2023 3:10 AM, Krystal Xiwing Yau wrote:

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Dear FreeSurfer experts,

I am encountering the error below:

ERROR: talairach_afd: Talairach Transform: transforms/talairach.xfm ***FAILED*** (p=0.0000, pval=0.0000 < threshold=0.0050)

As suggested, I have visited the website and followed these steps (MailScanner has detected a possible fraud attempt from "secure-web.cisco.com" claiming to be https://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/Talairach). However, I cannot move the bars as indicated; plus, there are no T1.mgz generated and the surf folder is empty.

Much appreciated if anyone could advise. Thank you very much,

Regards,
Krystal

Tel.: +852 2255 5024

Fax: +852 2872 5828

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