Re: [Freesurfer] NormMean information

2018-12-14 Thread Greve, Douglas N.,Ph.D.
It could be anything related to the T1-weighting, so T1 itself or PD. It is possible for the T2* to affect it, but usually the echo time is too short for it to make much of a difference. I could imagine some other indirect effects because of the normalization itself. The normMean was not added

[Freesurfer] NormMean information

2018-12-13 Thread Keith Harenski
External Email - Use Caution Hello, What would local, individual differences in normMean voxel intensities signify? Is this related to any physical properties of the brain, or is the more of a QA measure for the white matter segmentation? Thank you, Keith -- Keith Harenski