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Hi - many of these regions are covered in one or more of the atlases - have a look at these inside FSLView. Cheers. On 3 Aug 2009, at 01:07, Eric Zalusky wrote: > I am trying to run a regional brain activation analysis in FSL. In > order to > calculate the number of activated voxels in these regions, I know > that I > need to have a mask for each specific ROI. The problem is that I am > unable > to find these specific masks: > 1. Left Dorsolateral Prefrontal Cortex (LDLPFC) > 2. Left Ventrolateral Prefrontal Cortex (LVLPFC) > 3. Left SMA involved in the right SMA (Supplementary Motor Area) > 4. Left Posterior Parietal Cortex (LPPC) > 5. Left Thalamus > 6. Left Cerebellum > 7. Right Dorsolateral Prefrontal Cortex (RDLPFC) > 8. Right Ventrolateral Prefrontal Cortex (RVLPFC) > 9. Right Posterior Parietal Cortex (RPPC) > 10. Right Thalamus > 11. Right Premotor Area > > If you know where I can find these masks, please let me know. > Otherwise, if > you know how to create these masks, please let me know. > > Thanks, > Eric Zalusky > --------------------------------------------------------------------------- Stephen M. Smith, Professor of Biomedical Engineering Associate Director, Oxford University FMRIB Centre FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK +44 (0) 1865 222726 (fax 222717) [log in to unmask] http://www.fmrib.ox.ac.uk/~steve ---------------------------------------------------------------------------