Hi Rich, Do you have a post-operative CT scan of your ECoG patient? If you have that and a high-res T1, you can get very accurate reconstruction of electrode positions on the brain surface by corregistering the two.
-zack On Wed, Oct 29, 2014 at 3:32 PM, rwlod...@uic.edu <rwlod...@uic.edu> wrote: > Hello my names Rich. I am working on a project that involves creating 3D > models of patient brains and placing ECoG (Electrocorticography) leads on > these models. I have intra-operative pictures of the leads placed on the > subjects and I'm using these pictures to attempt to accurately place the > leads. However, as you might guess, the 3D models are very different from > looking at a live brain and the true sulcal and gyral pattern is difficult > to determine from the pictures. I was wondering if it is possible to have > freesurfer create or mark, in some way, the veins on the models so that I > can use the venous system as points of reference when placing the leads. > If not, is there a better way to do so that you can think of? I am > relatively new to freesurfer so I don't fully understand its capability > yet. Thanks!! > > _______________________________________________ > 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. > > -- *Zachary Greenberg* *Assistant Imaging Specialist* *Department of Neurological Surgery* *University of California, San Francisco*
_______________________________________________ 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.
