Smoothing in the volume is the single worst thing that is traditionally done to brain imaging data as far as precision of spatial localization goes.
Peace, Matt. On 7/12/17, 5:46 PM, "Douglas N Greve" <freesurfer-boun...@nmr.mgh.harvard.edu on behalf of gr...@nmr.mgh.harvard.edu> wrote: >you should definitely not smooth the volume data. Smoothing should be >limited to the surface. > > >On 07/10/2017 11:33 AM, Tamara Tavares wrote: >> Hi All, >> >> I was hoping someone can help me with two naive questions I have: >> >> I have read on the Freesufer wiki that you should smooth surface data >> before analyzing. Should I smooth the data only after I have ran >> recon-all and have made edits? Also, should volumetric data be >> smoothed or is this limited to surface data? >> >> Thank you in advance for your help. >> >> Best, >> Tamara >> >> >> _______________________________________________ >> 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. > _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
