Re: [Freesurfer] xhemi Longitudinal Comparison {Disarmed}

2019-04-19 Thread Wang, Xiaoyu
5 AM, Wang, Xiaoyu wrote: External Email - Use Caution Dear FreeSurfer Experts, We are trying to compare the early onset hemisphere vs Late onset hemisphere of PD patients. I am trying to use Xhemi in order to reorganize all early onset hemisphere to the left hemisphere and the late o

[Freesurfer] xhemi Longitudinal Comparison

2019-04-19 Thread Wang, Xiaoyu
External Email - Use Caution Dear FreeSurfer Experts, We are trying to compare the early onset hemisphere vs Late onset hemisphere of PD patients. I am trying to use Xhemi in order to reorganize all early onset hemisphere to the left hemisphere and the late onset to the

[Freesurfer] Question regarding mri_label2label and mris_anatomicalstats

2018-11-27 Thread Wang, Xiaoyu
External Email - Use Caution Dear Freesurfer Experts, I am currently doing a Longitudinal LME comparison between early and late onset Parkinson's Patients. After the Matlab analysis, I view the resulting sig.mgh file in tksurfer and create a label based on regions that pass

Re: [Freesurfer] fsaverage for a Left vs Right hemisphere Longitudinal

2018-08-30 Thread Wang, Xiaoyu
External Email - Use Caution Thanks Martin, Yes, I did mean to have the right hemisphere added to the left hemisphere as a new time point. Can you explain on what you mean by run every subject only once? Do you mean to run xhemi for all of the subjects and then run a paired

[Freesurfer] fsaverage for a Left vs Right hemisphere Longitudinal Comparison

2018-08-28 Thread Wang, Xiaoyu
External Email - Use Caution Hello Freesurfer Experts, I am trying to compare the left and right hemisphere of a group of PD patients with Mass-Univarate LME. >From what I can see in the wiki tutorial, the mris_preproc only assembles data >from one hemisphere at a time, which

[Freesurfer] LME Univariate pvalue inconsistent

2018-08-28 Thread Wang, Xiaoyu
External Email - Use Caution Hello Freesurfer Developers, I'm attempting to use Univariate LME analysis to compare the symptomatic and asymptomatic hemispheres of early stage Parkinson's disease patients. I re-organized the data so that the symptomatic hemisphere is the left

[Freesurfer] make_average_subject error

2018-07-11 Thread Wang, Xiaoyu
External Email - Use Caution Hello FreeSurfer Developers, I am attempting to perform group analysis on a group of subjects. However, When I am trying to create an average subject I get the following error. mghRead(mri/norm.mgz, -1) could not open file I went into the average