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Dear Anderson
Thanks for the quick reply.
I tried melodic in a concatenated way but it still doesnt work. Here is what I tried

melodic -i filesP.txt -o $filenameICA$'.ica'



filesP contains 3D contrast images.
Would you suggest converting them to 4D by using fslmerge and then input it ?

Do you suggest any other method to find clusters in contrast images?

Thanks and best
Qasim



From: FSL - FMRIB's Software Library <[log in to unmask]> on behalf of Anderson M. Winkler <[log in to unmask]>
Sent: Wednesday, November 1, 2017 9:35 PM
To: [log in to unmask]
Subject: Re: [FSL] melodic on 3D contrast images
 
Hi Qasim,

Melodic will definitely work after you've concatenated but the interpretation of what will appear is entirely to you...

All the best,

Anderson


On 1 November 2017 at 11:09, Qasim Bukhari <[log in to unmask]> wrote:
Dear FSL experts
I am trying to run melodic on 3D contrast images. Obviously it is not running because it expects a 4D time series file, however I m inputting it a 3D. The goal is to make clusters in the concatenated contrast files for detections of different IC components that may be used as regions of interests. Would it be okay to concatenate the contrast files across subjects, thus making 4D file and then run melodic ? Or do you suggest any other way to achieve this ?

Thanks and best
Qasim