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Dear Freesurfer experts,

I am trying to run recon-all for a new subject, however I came across with this error 'Talairach failed'. The error log is as following:

talairach done
\n cp transforms/talairach.auto.xfm transforms/talairach.xfm \n
#--------------------------------------------
#@# Talairach Failure Detection Thu May 14 15:11:47 CEST 2020
/Users/pliu/Documents/DataAnalysis0512/subjects/Pilot03/mri
\n talairach_afd -T 0.005 -xfm transforms/talairach.xfm \n
ERROR: talairach_afd: Talairach Transform: transforms/talairach.xfm ***FAILED*** (p=0.0153, pval=0.0000 < threshold=0.0050)
\nManual Talairach alignment may be necessary, or
include the -notal-check flag to skip this test,
making sure the -notal-check flag follows -all
or -autorecon1 in the command string.
See:\n
http://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/Talairach

\nERROR: Talairach failed!\n

I have read online that I might need to perform a rough coregistration for the input image before running recon-all. But I am a bit lost by which image should it be registered to... Would 'mni305.cor.mgz' be okay as reference image?

Any help would be much appreciated.

Kindly Regards

Peng Liu

--------------------------------------------

Peng Liu, PhD Candidate

Institut für Kognitive Neurologie und Demenzforschung (IKND)

Otto-von-Guericke Universität Magdeburg

Deutsches Zentrum für Neurodegenerative Erkrankungen e.V. (DZNE)

Leipziger Str. 44| Haus 64| Raum 217

39120 Magdeburg, Deutschland

Email: peng.liu@med.ovgu.de/Peng.Liu@dzne.de

Phone: +49 391 67 25074

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