Hi Matt,

Ah!  Sorry, I didn't realise a 32k_fs_LR version was ready (I thought it
was only available for the 449 subjects).

Will check it out.

-Tom

On Mon, Jun 4, 2018 at 5:41 PM, Glasser, Matthew <[email protected]> wrote:

> Hi Tom,
>
> Why not use the multi-modal parcellation? https://balsa.
> wustl.edu/file/show/3VLx
>
> Matt.
>
> From: Thomas Nichols <[email protected]>
> Date: Monday, June 4, 2018 at 11:37 AM
> To: Matt Glasser <[email protected]>
> Cc: HCP Users <[email protected]>
> Subject: Re: [HCP-Users] Variation in aparc ROIs between subjects in
> 32k_fs_LR space
>
> Thanks Matt!
>
> We're using it to just coarsely chop up the surface to build phenotypes.
> What atlas would you suggest that we can easily apply with
> wb_command -cifti-parcellate?
>
> -Tom
>
> On Mon, Jun 4, 2018 at 4:29 PM, Glasser, Matthew <[email protected]>
> wrote:
>
>> Hi Tom,
>>
>> This is because FreeSurfer “fits” the aparc to each subject.  There is
>> probably an atlas aparc somewhere inside FreeSurfer that wouldn’t have this
>> property.  That does raise the question of why you are using aparc instead
>> of one of the more functionally relevant parcellations available in
>> standard CIFTI space though.  Aparc is unlikely to follow task boundaries
>> much at all.
>>
>> Matt.
>>
>> From: <[email protected]> on behalf of Thomas
>> Nichols <[email protected]>
>> Date: Monday, June 4, 2018 at 2:38 AM
>> To: HCP Users <[email protected]>
>> Subject: [HCP-Users] Variation in aparc ROIs between subjects in
>> 32k_fs_LR space
>>
>> Hi folks,
>>
>> Sorry if this is a naive question, but looking for a sanity check...
>>
>> We're using the aparc segmentations to extract data from the task fMRI
>> CIFTI files.  We believe that we're working in atlas space (32k_fs_LR), so
>> we were surprised that, when we load two different subjects into wb_view,
>> the aparc segmentations are different for different subjects.
>>
>> See attached images of
>>     100206.aparc.32k_fs_LR.dlabel.nii &
>>     100307.aparc.32k_fs_LR.dlabel.nii
>> The regions are similar but differ slightly, with the white dot showing a
>> particular bit of the surface that changes from one ROI to another between
>> subjects.  I would have expected this if we were in native space, but not
>> 32k_fs_LR.  What am I missing?
>>
>> Thanks in advance!
>>
>> -Tom
>>
>> PS: A similar question was asked on May 9, titled "about the D-K atlas"
>> from [email protected] but it hasn't been answered; oddly, while it is in
>> my inbox I can't find it in the archive.
>>
>>
>> __________________________________________________________
>> Thomas Nichols, PhD
>> Professor of Neuroimaging Statistics
>> Nuffield Department of Population Health | University of Oxford
>> Big Data Institute | Li Ka Shing Centre for Health Information and
>> Discovery
>> Old Road Campus | Headington | Oxford | OX3 7LF | United Kingdom
>> T: +44 1865 743590 | E: [email protected]
>> W: http://nisox.org | http://www.bdi.ox.ac.uk
>>
>> _______________________________________________
>> HCP-Users mailing list
>> [email protected]
>> http://lists.humanconnectome.org/mailman/listinfo/hcp-users
>>
>
>
>
> --
> __________________________________________________________
> Thomas Nichols, PhD
> Professor of Neuroimaging Statistics
> Nuffield Department of Population Health | University of Oxford
> Big Data Institute | Li Ka Shing Centre for Health Information and
> Discovery
> Old Road Campus | Headington | Oxford | OX3 7LF | United Kingdom
> T: +44 1865 743590 | E: [email protected]
> W: http://nisox.org | http://www.bdi.ox.ac.uk
>



-- 
__________________________________________________________
Thomas Nichols, PhD
Professor of Neuroimaging Statistics
Nuffield Department of Population Health | University of Oxford
Big Data Institute | Li Ka Shing Centre for Health Information and Discovery
Old Road Campus | Headington | Oxford | OX3 7LF | United Kingdom
T: +44 1865 743590 | E: [email protected]
W: http://nisox.org | http://www.bdi.ox.ac.uk

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