Dear Donald,
Splitting them randomly, or drawing new internal boundaries?
For the former I'm afraid I don't know but someone on the list is
certain to be able to write some code; the latter could be done nicely
if expensively with Analyze AVW. We needed such a function for our
atlasing work some years ago (the 2007 Neuroimage paper on the
"statistical neuroanatomy" of the inferior frontal gyrus), and the
developers kindly added a button called "Split ROI" which appears in
the ROI module when you call up the Edit functions. This leaves the
original outer boundaries untouched and allows to draw any new
internal boundaries, defining the newly created "sub-ROIs" as entirely
new ones or adding them to existing ones.
All the best,
Alexander
---------------------------------
Alexander Hammers, MD PhD
NEW Affiliation:
Chair in Functional Neuroimaging
Fondation Neurodis
http://www.fondation-neurodis.org/
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---------------------------------
Other affiliations:
Visiting Reader; Honorary Consultant Neurologist
Division of Neuroscience and Mental Health, Faculty of Medicine
Imperial College London
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and
Honorary Reader in Neurology; Honorary Consultant Neurologist
Department of Clinical and Experimental Epilepsy
National Hospital for Neurology and Neurosurgery/ Institute of
Neurology,
UCL
33 Queen Square, London WC1N 3BG
On 23 Apr 2010, at 22:02, MCLAREN, Donald wrote:
> Is there any program to divide ROIs into subparts? I am looking for a
> program that would split a region into pieces that are 4-9voxels in
> size.
>
> Best Regards, Donald McLaren
> =================
> D.G. McLaren
> University of Wisconsin - Madison
> Neuroscience Training Program
> Office: (608) 520-0586
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