Hi Kelly, it's a bit of an open question what the relationshop between thickness and icv is. It's probably not linear, maybe icv^(1/3)?
cheers Bruce On Fri, 28 May 2010, Kelly Silva wrote: > Hello, > > I'm doing regression analyses with cortical thickness at > the level of voxel. Should I correct the total GM volume by introducing > this parameter as a confounding variable? Shoud I include the > intracranial volume as an additional nuisance variable? If positive, I > assume that these variables can only be introduced as covariates if > they differ between groups. Am I correct? > > I saw in one message that we should not corret for thickness. Why not? > > Thanks in advance and best regards, > Kelly > > > _______________________________________________ Freesurfer mailing list [email protected] https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Partners Compliance HelpLine at http://www.partners.org/complianceline . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail.
