Use -cifti-weighted-stats, it reports the measures separately per
hemisphere (and can integrate over surface area instead of a naive mean),
and use the -roi option to report within an ROI.  If you want to use a lot
of ROIs that don't overlap, look at -cifti-parcellate.

Tim


On Wed, Nov 2, 2016 at 3:20 PM, Timothy Hendrickson <[email protected]>
wrote:

> Thanks Matt.
>
> Hmm I am still confused. So here is my command to extract myelin for the
> entire cortex: wb_command -cifti-stats 43387.MyelinMap.32k_fs_LR.dscalar.nii
> -reduce MEAN.
> Since -cifti-stats requires the -reduce flag the data I receive is only
> one number. What I am hoping to accomplish is to extract the average
> surface myelin for the left and right hemisphere and all surface ROIs.
> For example with freesurfer I can rather easily generate a stats file
> which informs me a measurement (of my choosing) at each particular
> location. For example see attached: lh.allSite.aparc.thickness.csv.
>
> I apologize for the continued questions. I am fairly new to HCP data and
> am still learning the in and outs :)
>
> -Tim
>
> Timothy Hendrickson
> Department of Psychiatry
> University of Minnesota
> Mobile: 507-259-3434 (texts okay)
>
> On Wed, Nov 2, 2016 at 1:20 PM, Glasser, Matthew <[email protected]>
> wrote:
>
>> You should be able to do that with the commands Tim mentioned with the
>> -roi sub option.
>>
>> Peace,
>>
>> Matt.
>>
>> From: <[email protected]> on behalf of Timothy
>> Hendrickson <[email protected]>
>> Date: Wednesday, November 2, 2016 at 11:42 AM
>> To: Timothy Coalson <[email protected]>
>> Cc: "[email protected]" <[email protected]>
>> Subject: Re: [HCP-Users] Myelin Map Summary Statistics
>>
>> Hmm, I have a follow up question. I can extract average myelin for the
>> entire cortex rather easily however I am having more trouble extracting
>> hemispheric and ROI information.
>> Suggestions?
>>
>> Timothy Hendrickson
>> Department of Psychiatry
>> University of Minnesota
>> Mobile: 507-259-3434 (texts okay)
>>
>> On Mon, Oct 31, 2016 at 3:45 PM, Timothy Coalson <[email protected]> wrote:
>>
>>> Take a look at http://www.humanconnectome.org/software/workbench-command
>>> .php?function=-cifti-weighted-stats and/or http://www.humanconnect
>>> ome.org/software/workbench-command.php?function=-cifti-stats .
>>>
>>> Tim
>>>
>>>
>>> On Mon, Oct 31, 2016 at 3:32 PM, Timothy Hendrickson <[email protected]>
>>> wrote:
>>>
>>>> HCP experts,
>>>>
>>>> Is there a way to extract myelin values from individual dscalar CIFTI
>>>> files?
>>>> What I am looking for is an average myelin value at the hemispheric and
>>>> ROI level.
>>>>
>>>> -Tim
>>>>
>>>> Timothy Hendrickson
>>>> Department of Psychiatry
>>>> University of Minnesota
>>>> Mobile: 507-259-3434 (texts okay)
>>>>
>>>> _______________________________________________
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>>>> [email protected]
>>>> http://lists.humanconnectome.org/mailman/listinfo/hcp-users
>>>>
>>>
>>>
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