There should be a ?h.volume file. Are you sure there is not? You can
specify -meas volume when you run mris_preproc
doug

On 04/27/2014 08:35 PM, Yizhou Ma wrote:
> Dear freesurfer experts,
>
> I am working on a project on cortical asymmetry and I have analyzed
> vertex-wise cortical thickness/surface area asymmetry. However, I
> noticed that Freesurfer doesn't not seem to facilitate such analysis
> for gray matter volume, as after running surfreg -xhemi there is no
> ?h.volume file in subject/xhemi/surf. I searched the literature and
> found studies on gray matter density asymmetry with VBM and ROI-based
> volume asymmetry. Is it true that Freesurfer doesn't offer vertex-wise
> volume asymmetry analysis? And may I know the rationale?
>
> Thanks,
> Cherry
>
>

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Douglas N. Greve, Ph.D.
MGH-NMR Center
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