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Thanks. But the MNI template size is smaller than the data I am using. And I do not want to reduce the image size, since it will influent the results. Is it possible that, I draw a circle in ROI in the upper slice, and apply this circle into the few lower slices using simple copy and paste?

2010/12/5 xuemei lei <[log in to unmask]>

Hi,
there are right and left WM atlas in the HarvardOxford-Subcortical templates. Maybe you could use that atlas to mask you images. But first you should register them.

Good luck

Xuemei

On Mon, Dec 6, 2010 at 7:36 AM, zao liu <[log in to unmask]> wrote:

Dear all,

I am new to FSL.

Now, I am trying to separate the left and right parts of the brain. How can I extract left part from the whole white matter in one slice, and apply it in all slices?

Thanks a lot.

Zao Liu

--
Xuemei Lei
National Key Laboratory of Cognitive Neuroscience and Learning
Beijing Normal University
Beijing, China. 100875
Tel: +86-13269171259
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