Re: [Freesurfer] Longitudinal data from different sequences and scanners

2018-05-04 Thread James Gullickson
External Email - Use Caution Martin, Thanks for the feedback. Given our data set (1mm^3 timepoint1 and 0.8mm^3 timepoint 2), what would be the best way to salvage this data and look for longitudinal changes? Would it be possible to upsample/downsample the images so that they are

Re: [Freesurfer] Longitudinal data from different sequences and scanners

2018-04-05 Thread James Gullickson
All, Just wanted to follow up on this message. Does anyone have recommendations for the best way to compare this data longitudinally? Thanks very much, James On Thu, Mar 29, 2018 at 1:19 PM, James Gullickson wrote: > All, > > Our lab is working with longitudinal (two time

[Freesurfer] Longitudinal data from different sequences and scanners

2018-03-29 Thread James Gullickson
All, Our lab is working with longitudinal (two time points) data from a cohort of around 130 individuals. We are attempting to make comparisons between time points 1 and 2 on measures like total brain volume, ventricular volume, ventricle-brain-ratio, and cortical thickness. However, we have run