Sorry that should be Tim! On Thu, Feb 21, 2013 at 3:35 PM, Tristan Chaplin <tristan.chap...@gmail.com>wrote:
> Thanks Time. > > If I wanted to measure areas on this human cortex model, do you think it's > ok to first scale the surface model up to this 965cm2 area? Or is the > reduction in surface area too variable over the surface (ie not uniform)? > > Cheers, > Tristan > > > On Thu, Feb 21, 2013 at 8:56 AM, Timothy Coalson <tsc...@mst.edu> wrote: > >> The surface generated as the average of all subjects in the atlas is >> significantly smoother than any individual's surface, which reduces >> the surface area. This may account for the discrepancy, as what >> appears to be reported by the paper you saw is the mean of the surface >> areas of the individuals, rather than the surface area of the average >> surface. >> >> Tim >> >> On Tue, Feb 19, 2013 at 8:08 PM, Tristan Chaplin >> <tristan.chap...@gmail.com> wrote: >> > Sorry that should be 565 cm2. >> > >> > >> > On Wed, Feb 20, 2013 at 12:25 PM, Tristan Chaplin >> > <tristan.chap...@gmail.com> wrote: >> >> >> >> Hi, >> >> >> >> I have been looking at the surface area of the PALS atlas and am a bit >> >> confused as it seems smaller than I expected. The spec file >> >> >> >> PALS_B12.RIGHT.STANDARD-SCENES.73730.spec >> >> >> >> downloaded from >> >> >> >> >> >> >> http://sumsdb.wustl.edu:8081/sums/archivelist.do?archive_id=6570866&archive_name=PALS_B12.RIGHT.STANDARD-SCENES.73730.spec >> ) >> >> >> >> seems to have a fiducial surface area of 565 mm2 (including >> non-cortical >> >> medial wall) but the Van Essen 2005 Neuroimage paper says the average >> >> surface area of the individuals is 965 cm2. >> >> >> >> Am I doing something wrong, or is there is something about atlas >> building >> >> that causes this? >> >> >> >> Thanks, >> >> Tristan >> >> >> >> >> >> >> >> >> > >> > >> > _______________________________________________ >> > caret-users mailing list >> > caret-users@brainvis.wustl.edu >> > http://brainvis.wustl.edu/mailman/listinfo/caret-users >> > >> _______________________________________________ >> caret-users mailing list >> caret-users@brainvis.wustl.edu >> http://brainvis.wustl.edu/mailman/listinfo/caret-users >> > >
_______________________________________________ caret-users mailing list caret-users@brainvis.wustl.edu http://brainvis.wustl.edu/mailman/listinfo/caret-users
