Hello Benny,
Funny but if I remember well I posted very similar question to the
list here:
http://www.jiscmail.ac.uk/cgi-bin/webadmin?A2=ind06&L=FSL&D=0&X=0BA7EA71C6B9
7C5879&Y=kuniecki%40gmail.com&P=97392
And if I understood answers to my question good enough,
unfortunately there is no way to affect clustering other then manipulating
the threshold. This is quite a pity actually as there are methods for
determining independent clusters which are used in microbiology for example.
OK, this is only a hint, I am by no means an expert in FSL.
Mike
> -----Original Message-----
> From: FSL - FMRIB's Software Library
> [mailto:[log in to unmask]] On Behalf Of Benny Liberg
> Sent: Thursday, July 31, 2008 10:54 AM
> To: [log in to unmask]
> Subject: [FSL] delimitation of cluster
>
> Hi,
>
> I have done a second level analysis in FEAT (voxel corrected)
> and I use the cluster program to get an unbiased report of
> the co-ordinates of local maximas in my zstat images.
>
> Functionally different premotor areas (in my case SMA, dorsal
> PMC, ventral
> PMC) are reported as one cluster since the PMC cluster in the
> thresh_zstat image is continous. However, there are very few
> voxels making it one continous cluster and not three smaller
> ones, which is how we would expect it to be. The cluster
> seperates into three if I change the threshold to 0.01, but I
> would like to keep it at 0.05 for comparison reasons.
>
> Is there any way that I can affect the cluster delimitation
> in the cluster program?
>
> Regards,
> Benny
>
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