Hi Tamara
no, the surfaces shouldn't affect the volume of the ventricles, so if
that is all you care about just inspect the aseg.
cheers
Bruce
On Mon, 18 Jul 2016,
Tamara Tavares wrote:
Hi Bruce,
Thank you for your quick reply.
We are primarily interested in ventricular volume but we may look at other
areas in the future; this is why I thought it would be a good idea to check
the surfaces. Is the reasoning why the surface outputs vs. aseg outputs
should be checked is because the surface outputs are used the calculate the
structure's volumes? I am fairly new to Freesurfer so I am trying to get a
good understanding of it.
Thank you in advance,
Tamara
---
Tamara Tavares, HBSc
PhD Candidate
Brain and Mind Institute, Department of Neuroscience
The Schulich School of Medicine and Dentistry
The University of Western Ontario
519-661-2111, ext 84623
On Sun, Jul 17, 2016 at 12:00 PM, <freesurfer-requ...@nmr.mgh.harvard.edu>
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Today's Topics:
1. Re: Checking Surfaces vs. aseg outputs (Bruce Fischl)
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Message: 1
Date: Sat, 16 Jul 2016 13:35:10 -0400 (EDT)
From: Bruce Fischl <fis...@nmr.mgh.harvard.edu>
Subject: Re: [Freesurfer] Checking Surfaces vs. aseg outputs
To: Freesurfer support list <freesurfer@nmr.mgh.harvard.edu>
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Hi Tamara
if you are more interested in things like ventricular volume
then the
surfaces aren't so important to check.
cheers
Bruce
On Fri, 15 Jul 2016, Tamara Tavares wrote:
> Hi All,
>
> I was hoping to get some help with understanding the surface
and aseg
> volumes. I have some patient's scans and I am interested in
examining the
> ventricular volume but may look at other areas later on. I
understand from
> earlier threads that it is important to check the surface
volumes (pial and
> wm) vs. the aseg output. Why is it more important to check the
surfaces vs
> the aseg outputs if I am interested in getting the volumes?
>
> Thank you in advance for your help.
>
> Best,
> Tamara
>
>
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