Yes
On 4/20/2020 6:57 PM, Alexopoulos, Dimitrios wrote:
External Email - Use CautionOk, so eTIV includes everything within the skull. Does the method to calibrate the scaling in the talairach.xfm include extra-axial CSF?
Jim
-----Original Message----- From: freesurfer-bounces@nmr.mgh.harvard.edu freesurfer-bounces@nmr.mgh.harvard.edu On Behalf Of Bruce Fischl Sent: Friday, December 14, 2018 9:31 AM To: Freesurfer support list freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] eTIV vs. ICV
Hi Jim
it is an estimate of everything inside skull.
cheers Bruce On Thu, 13 Dec 2018, Alexopoulos, Dimitrios wrote:
External Email - Use CautionThe eTIV from FS 6.0 has been used by many as a normalization measure for regional volumetric analyses.
I know it is not a true voxel count but does it conceptually include extra-axial CSF or is it more a total tissue volume?
Jim
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