You can map the FA to the anatomical space with mri_vol2vol, then use mri_segstats to get FA summaries in each of the ROIs.

On Fri, 26 Oct 2007, Robert Levy wrote:

Hi,

Is there any way to get something like the output of roisummary-sess, but for ROI-constrained FA values instead of BOLD?

What I'm actually want to use this for, is to get FA values at a single vertex for each subject in the group, so I can plot a regression line against a behavioral measure.

Thanks, Rob

http://nmr.mgh.harvard.edu/~levy

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