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Hi,
I am looking at interscanner differences between Philip and GE. I get
significantly less variation between the scanners when looking at sbTIV
(coefficient of variation < 1.5 %) than eTIV (12%) within subjects. Any
thought as to why? Normalizin
The two methods are totally different. See
https://surfer.nmr.mgh.harvard.edu/fswiki/sbTIV
the sb version actually performs a skull segmentation and counts voxels
within skull. The eTIV is computed from the talairach registration,
which is going to be inherently more variable (eg, more or less
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Many thanks.
Best
On Tue, Jul 20, 2021, 14:36 Douglas N. Greve wrote:
> The two methods are totally different. See
> https://secure-web.cisco.com/1M9K3lSgALVk9H3YxzU4beySwAyD9LUr7aJIifLSz-a7CIwOjqchQeDJmULEhZQimw6d5hvIcBSQqZVqxAftbYdxFGAIr5X7PieRivW
