Hi Christian :
Thanks, I will give it a try.
Wen
----- Original Message -----
From: Christian Beckmann <[log in to unmask]>
Date: Friday, January 26, 2007 5:19 pm
Subject: Re: [FSL] cluster for Melodic
> Hi
>
> creating output similar to feat output is easy, just run 'cluster'
> on
> any of the melodic components - you'd just have to pick a
> threshold
> level. This you can get from the melodic thresholded maps (in
> blah.ica/stats when you click the 'Output full stats folder'
> option
> or when selecting --Ostats or --Oall at the command line). You can
>
> check for the lowest non-zero value in the thresholded maps (with
> avwmaths and avwstats) and then use this on the an unthresholded
> melodic map. You can extract separate maps from the 4D file
> melodic_IC using 'avwroi' or you can use avwsplit to split the 4D
> file into a sequence of 3d files).
> Using this to identify subclusters and location of local maxima is
>
> fine, though you should be careful not to confuse the Z maps
> generated by melodic with FEAT z maps generated under the null
> hypothesis when regressing against a design matrix.
> hope this helps
> christian
>
>
> On 26 Jan 2007, at 21:27, Wen-Ching Liu wrote:
>
> > Dear FSL users:
> >
> > I had posted a question yesterday to see if there is an easy way
> > to get the cluster information from Melodic program. Since
> there was
> > no answer, I assume there is no easy way to do it. I wonder how
> > difficult would this be. Can someone comment on this?
> >
> > Thanks,
> >
> >
> >
> > Wen-Ching Liu, Ph.D.
> >
> > Assistant Professor
> > Functional Imaging Laboratory
> > Department of Radiology
> > University of Medicine and Dentistry
> > of New Jersey-New Jersey Medical School
> >
> > 973-972-2281/fax: 973-972-0836
> > http://njms.umdnj.edu/departments/radiology/fmri/index.cfm
> >
> >
>
> --
> Christian F. Beckmann
> Oxford University Centre for Functional
> Magnetic Resonance Imaging of the Brain,
> John Radcliffe Hospital, Headington, Oxford OX3 9DU, UK
> Email: [log in to unmask] -
> http://www.fmrib.ox.ac.uk/~beckmann/ Phone: +44(0)1865 222551
> Fax: +44(0)1865 222717
>
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