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Date: Wednesday, July 19, 2017 at 9:48 AM
To: Freesurfer support list
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Subject: Re: [Freesurfer] dmri_motion -T threshold
We want to match on dropout as well which would require us to cha
Sent: Wednesday, July 19, 2017 9:31 AM
To: Freesurfer support list
Subject: Re: [Freesurfer] dmri_motion -T threshold
If neither of your groups has bad slices (which you should confirm by looking
at the images), then they are matched in that respect. You can then check for
differences in the
u>>
Subject: Re: [Freesurfer] dmri_motion -T threshold
Hi Anastasia,
We are trying to match our groups on motion and can’t match them if our scans
have the floor values. We are not sure how to determine what the threshold
value should be in order to make the dropout score no longer floor out.
hanks,
Colleen
From: freesurfer-boun...@nmr.mgh.harvard.edu
[mailto:freesurfer-boun...@nmr.mgh.harvard.edu] On Behalf Of Yendiki, Anastasia
Sent: Tuesday, July 18, 2017 6:46 PM
To: Freesurfer support list
Subject: Re: [Freesurfer] dmri_motion -T threshold
Hi Colleen - Do the DWIs of your subjects
Hi Colleen - Do the DWIs of your subjects have any slices that are in the brain
but look very dark, almost like the background? That's what those measures
capture, and not all subjects have that. If your subjects don't have that, then
there's nothing to be concerned about!
Best,
a.y
_
