I know that the aseg atlas provides a number of voume measures (e.g. EstimatedTotalIntraCranialVol, TotalGrayVol), but is there a variable for an average cortical thickness? I'd like to see if thickness in some of the regions is associated with a variable of interest over and above an overall main effect, so would like to control for the average thickness, but can't figure out a good way to do that.
Thanks! Maria
- Maria Kharitonova, PhD Research Assistant Professor Department of Medical Social Sciences Northwestern University Feinberg School of Medicine 625 N. Michigan Ave, Suite 2700 Chicago, IL 60611 Phone: (312) 503-6503 Email: maria.kharitonova@northwestern.edumailto:maria.kharitonova@northwestern.edu
In ?h.aparc.stats, you'll find a line like
# Measure Cortex, MeanThickness, Mean Thickness, 2.40617, mm
You'll have to get the value for each hemi and compute the mean
On 12/11/2015 01:38 PM, Maria Kharitonova wrote:
I know that the aseg atlas provides a number of voume measures (e.g. EstimatedTotalIntraCranialVol, TotalGrayVol), but is there a variable for an average cortical thickness? I’d like to see if thickness in some of the regions is associated with a variable of interest over and above an overall main effect, so would like to control for the average thickness, but can’t figure out a good way to do that.
Thanks! Maria
— Maria Kharitonova, PhD Research Assistant Professor Department of Medical Social Sciences Northwestern University Feinberg School of Medicine 625 N. Michigan Ave, Suite 2700 Chicago, IL 60611 Phone: (312) 503-6503 Email: maria.kharitonova@northwestern.edu mailto:maria.kharitonova@northwestern.edu
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