The contrast will test for the difference in slope of thickness vs
NPIDSEV effect between AD and MCI or AD and CN. if it is positive, it
means that AD has a greater slope than MCI or CN. Note that this does
not make a statement about the sign of the slopes so you can get a
positive result
External Email - Use CautionHello Dr. Greve, Please see attached the fsgd and contrast files. I would like to know how to interpret the max value and its directionnality. For example, for this contrast : g2v1_CN_AD_NPIDSEV.area.lh.fwhm10_group-x-var_neg, does the negative sign of
I'm having problems following your narrative. Can you send the fsgd and
contrast files?
On 7/4/2022 5:37 PM, Adriana Cannizzaro wrote:
External Email - Use Caution
Hello Freesurfers,
We performed a whole-brain analysis using general linear model
analysis with FreeSurfer mri_glmfit
External Email - Use Caution
Hello Freesurfers,
We performed a whole-brain analysis using general linear model analysis with
FreeSurfer mri_glmfit for neuropsychiatric symptoms (i.e: depression, etc) to
assess their effect on brain’s cortical volume, thickness and area