The latest version of melodic is compatible with CIFTI data (e.g. From the HCP).

Peace,

Matt.

From: <freesurfer-bounces@nmr.mgh.harvard.edu> on behalf of Florence Campana <campana.florence@gmail.com>
Reply-To: Freesurfer support list <freesurfer@nmr.mgh.harvard.edu>
Date: Monday, October 9, 2017 at 9:25 PM
To: Freesurfer support list <freesurfer@nmr.mgh.harvard.edu>
Subject: [Freesurfer] Transformation between spaces

Hi Matt,

Thank you for your quick input ; I did not try yet to use melodic, it seems indeed to be the most straightforward solution, I will try it, thank you again!

Florence

Le lundi 9 octobre 2017, Matt Glasser <matt@ma-tea.com> a écrit :

I’d note that you can run the group ICA on surface data in surface space pretty easily using melodic, which would avoid the issue that Doug mentions.

Peace,

Matt.

From: <freesurfer-bounces@nmr.mgh.harvard.edu> on behalf of Douglas Greve <greve@nmr.mgh.harvard.edu>
Reply-To: Freesurfer support list <freesurfer@nmr.mgh.harvard.edu>
Date: Monday, October 9, 2017 at 7:20 PM
To: <freesurfer@nmr.mgh.harvard.edu>
Subject: Re: [Freesurfer] Transformation between spaces

How did you get your ICA analysis into MNI305 (or MNI152) space?  You're ICA intergroup comparisons will only be as good as that space -- how you get it onto the surface from there is not so important. You can run recon-all on the MNI152, sample the ICA maps onto the surface, then use the surface-based registration to map it to fsaverage.

On 10/9/17 7:20 PM, Florence Campana wrote:

Dear freesurfer experts,

I ran a spatial ICA in volume and would like to visualize the components in surface in order to assess the overlap between the  independent components and my ROI (defined on surface). However after reading this paper, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2862732/, I am  concerned with transformations between the MNI 305 space and the surface space without totally understanding the nature of the distortions unfortunately. Would you mind explaining it briefly to me and let me know whether you think that the transformation of the components from the MNI305 space to the surface will lead to distorted results in the case of our spatial overlap estimates? (in which case I can define the ROI in volume and conduct all the analyses in volume).

Thank you very much,

Florence Campana

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The information in this e-mail is intended only for the person to whom it is
addressed. If you believe this e-mail was sent to you in error and the e-mail
contains patient information, please contact the Partners Compliance HelpLine at
http://www.partners.org/complianceline . If the e-mail was sent to you in error
but does not contain patient information, please contact the sender and properly
dispose of the e-mail.