Hi Valentina,
If you are referring to the corpus callosum value from the *h.aparc.annot,
this region and the values associated with it are not accurate. Our
motivation in including the corpus callosum as a region of interest within
our gray matter parcellation atlas was simply as an anatomic placeholder
to better delineate the boundaries of the cingulate cortex. As you have
mentioned, our anatomic parcellation scheme is for gray matter structures
and the corpus callosum is a white matter region and thus intended only as
a placeholder, similar to the *h.unknown.label region.
Best regards,
Rahul
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Rahul S. Desikan
[EMAIL PROTECTED]
On Thu, 7 Dec 2006, Durastanti, Valentina (NIH/NINDS) [F] wrote:
Hi,
I have two questions:
1. I was wondering if the values of corpus callosum are useful
2. Why the values of the corpus callosum are included in the gray matter
data (.aparc.stat)? I need the volume/area of the corpus callosum and I
don't understand if the volume given by the stat file is the whole
volume of the corpus callosum
Thanks
Valentina
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