Hello Bruce, By creating new errors after adding cp, it usually leaves out a large portion of cortex (and its white matter) that was originally correctly identified in the first attempt. I have tried to add cp in areas that are not in partial volume voxels. The version command says I am using:
$Id: recon-all,v 1.379.2.17 2011/05/20 22:48:18 nicks Exp $ Thanks! Megan On 8/25/12 8:29 AM, "Bruce Fischl" <fis...@nmr.mgh.harvard.edu> wrote: >Hi Megan > >it's hard for us to diagnose without seeing the details. In general >though you have to be careful to make sure that you aren't putting >control >points in partial volumed voxels. When you say it creates new errors, can >you give us some details? Is the wm too bright in those regions? What FS >version are you using? > >cheers >Bruce > > >On Fri, 24 Aug 2012, Herting, Megan wrote: > >> Hi, >> >> I have been using freesurfer on a large dataset and I am having some >> trouble. Sometimes the temporal lobes are not fully covered, so I will >>go >> back to add a few control points based on the recommendations of >>freesurfer >> (voxels that are <110 and not next to a gray matter voxel) and send it >> through again. This will often correct the previous error, but then >>ends up >> creating new errors in a different region (frontal lobe, temporal lobe >>in >> the other hemisphere) etc. This has happened on a large fraction of my >>data >> (~25%). What is recommended to fix this? Should I continue to try to >>add cp >> to these new regions and send it through again, and continue to do this >> until it looks good? Is there another method? >> >> Thank you! >> Megan >> >> >>---------------------------------------------------------------------CONF >>ID >> ENTIALITY NOTICE: This e-mail message, including any attachments, is >>for the >> sole use of the intended recipient(s) and may contain confidentialor >>legally >> privileged information. Any unauthorized review, use, disclosureor >> distribution is prohibited. If you are not the intended recipient, >> pleasecontact the sender by reply e-mail and destroy all copies of this >> original message. >> --------------------------------------------------------------------- >> >> >> > > >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. --------------------------------------------------------------------- CONFIDENTIALITY NOTICE: This e-mail message, including any attachments, is for the sole use of the intended recipient(s) and may contain confidential or legally privileged information. Any unauthorized review, use, disclosure or distribution is prohibited. If you are not the intended recipient, please contact the sender by reply e-mail and destroy all copies of this original message. --------------------------------------------------------------------- _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
