When mapping the area (or volume) to a target surface it assures that
the sum of the area over all vertices of the target is equal to that of
the source (conservation). The basic idea is that the area of a patch in
the target space should be the area of the patch when mapped to the
source space (though this cannot be rigidly adhered to as the patch gets
smaller and smaller). a new version is here
ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/mris_preproc
doug
On 2/28/12 10:47 AM, Don Hagler wrote:
Hi Doug,
What does the new version of mris_preproc do with area?
Don
------------------------------------------------------------------------
Date: Mon, 27 Feb 2012 20:54:43 -0500
From: gr...@nmr.mgh.harvard.edu
To: freesurfer@nmr.mgh.harvard.edu
Subject: Re: [Freesurfer] In Qdec, what does the 'area' mean within
'Measure' menu in 'Design' tab
That is the area of the white surface. But don't use this unless you
have updated to the new version of mris_preproc.
doug
On 2/27/12 8:15 PM, ZhiLiangLong wrote:
Hi freesurfer experts:
i'm using qdec to perform statistical analysis in
Freesurfer 5.0.0, within 'Measure' menu in 'Design' tab, the
default is 'thickness', however, there are other measurements such
as 'area' and 'area.pial'. the latter seems meaning area in pial
surface. what does the former mean? does it mean area in white
matter surface?
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