 |
 |
hi there, > > Hi Spmers, > > I am working on a VBM study. When I got the result, I found the value > of each voxel was confused me. > > The value of all voxels are from 0 to 1. Is it correct? > that's correct - the value reflects the probability to be grey or white > > Additionally, a lot of voxels within grey matter were 1. Is there a > ceiling effect here? How to change the scale of it? > values are also changed by the modulation option - ie using the jacobian determinant of the transformation matrix you'll end up with the 'initial' volume value .. the distribution you observe sounds fine to me hope this helps cyril > Cheers, > > Xiaochu Zhang Ph.D > > Visiting Research Fellow >