Hi Jenifer, how much is missing? If a substantial amount I would think things would fail, including the segmentation itself, but we very rarely do this.
Bruce On Tue, 17 Nov 2009, Juranek, Jenifer wrote: > A colleague asked me to look at some T1s for possible Freesurfer analyses. > Unfortunately, several subjects do not have whole brain acquisitions (I know, > quite unexpected and disappointing). Would it be possible to correct volumes > of subcortical structures (which are covered by the acquisition) for ICV in > the absence of whole brain coverage? The T1s were acquired in the coronal > plane...so typically brain tissue is missing in either the anterior and/or > posterior regions. > > I reflexively think that whole brain coverage is required for accurate ICV > calculated by Freesurfer...but I'm not positive. > > Many Thanks for any thoughts you might have, > Jenifer > > > _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
