If you have 8 1.5mm^3 voxels, you will have 27 1mm^3 voxels, so the processing time with increase substantially.
Best Regards, Donald McLaren
=================
D.G. McLaren, Ph.D.
Postdoctoral Research Fellow, GRECC, Bedford VA
Research Fellow, Department of Neurology, Massachusetts General Hospital and Harvard Medical School
Office: (773) 406-2464
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On Thu, Nov 25, 2010 at 4:29 AM, SORIANO MAS, CARLES
<[log in to unmask]> wrote:
Dear SPMers,
default voxel size for normalization (Dartel) with the VBM8 toolbox seems to be 1.5 mm3. Is it a good idea to increase it to 1mm3, especially considering that raw voxel size is 1mm3? Which is the best way to change this default parameter?
Best regards,
Carles Soriano,
Barcelona.