This can also happen if the head is oriented in a strange way. This can happen with older patients that tend to tilt their head back.
On 11/10/2016 08:27 PM, Bruce Fischl wrote: > Hi John > > it means that the talairach transform that was computed was extremely > unlikely and deemed to be probably incorrect. Frequently this happens > if you start with images (like analyze) that don't contain accurate > direction cosine information. You can check this by bringing one of > the volumes in freeview and checking to make sure that the anatomical > directions we show > (e.g. anterior/posterior) correspond to the true anatomy. Sometimes > abnormal anatomiies like huge ventricles can also make it fail, but > you need to figure out which one it is before deciding what to do > > cheers > Bruce > > > On Fri, 11 Nov 2016, John Anderson wrote: > >> Dear Freesurfer experts, >> I ran the following command on a T1 image >> recon-all -subjid 089 -all -qcache >> >> and I got the following error message: >> >> talairach_afd -T 0.005 -xfm transforms/talairach.xfm >> >> ERROR: talairach_afd: Talairach Transform: transforms/talairach.xfm >> ***FAILED*** (p=0.0344, pval=0.0034 < threshold=0.0050) >> >> >> I highly appreciate an explanation for the meaning of this error and >> how to >> fix it. >> >> >> Best >> John >> >> > > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer -- Douglas N. Greve, Ph.D. MGH-NMR Center gr...@nmr.mgh.harvard.edu Phone Number: 617-724-2358 Fax: 617-726-7422 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting FileDrop: https://gate.nmr.mgh.harvard.edu/filedrop2 www.nmr.mgh.harvard.edu/facility/filedrop/index.html Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/ _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Partners Compliance HelpLine at http://www.partners.org/complianceline . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail.
