You can break the annotation into separate labels
(mri_annotation2label), then merge the ones you want into a single label
(mri_mergelabels), then recombine them into an annotation (mris_label2annot)
On 11/29/2017 10:03 PM, Michiko H. wrote:
> Hi Freesurfer Experts,
>
> I was wondering what the best way of combining regions within a
> parcellation? For example, in the Schaefer 2017 functional atlas,
> there are regions such as:
>
> 7Networks_LH_DorsAttn_FEF_1 0 118 22 0
> 7Networks_LH_DorsAttn_FEF_2 0 119 17 0
> 7Networks_LH_DorsAttn_FEF_3 0 119 18 0
> 7Networks_LH_DorsAttn_FEF_4 0 119 19 0
> 7Networks_LH_DorsAttn_PrCv_1 0 119 20 0
> 7Networks_LH_DorsAttn_PrCv_2 0 119 21 0
>
> If I would like to combine all the DorsAttn_FEF areas into 1 node and
> DorsAttn_PRCv areas into another, what is the best way to do this? I
> currently have an image that has been parcellated using this atlas
> that was brought into volumetric space. I would need to have a
> transformed re-parcellated file and a corresponding color LUT file.
>
> Would appreciate any help, thank you!
>
> Best,
> Michiko
>
>
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