[Freesurfer] Extracting significant regions - Longitudinal two stage model

2024-03-26 Thread Liliana Wu
External Email - Use Caution Hi, I ran a longitudinal two stage model analysis in 83 participants comparing two groups. After applying cluster correction, I am seeing several significant regions, and I was wondering if there is a way to extract each significant cluster from eac

[Freesurfer] Contrast files - 2 groups, 4 covariates

2024-05-09 Thread Liliana Wu
External Email - Use Caution Hello! I am having trouble with creating my contrast files. I did go over FsfdExamples (https://secure-web.cisco.com/1ezcK_pFVwJfmWpdVsJeZORU_8kaDi3SfZnw3BO98zpMkJch-p_v87YwJzoqtiefk_hIobUKYja2omqZRjod-i1GdU-HkzipUmBlo5LVsklOHdteQtjAi1L5l1J_T5iRzcE-h_

Re: [Freesurfer] Contrast files - 2 groups, 4 covariates

2024-05-10 Thread Liliana Wu
External Email - Use Caution Thank you Douglas. That’s much clearer. I do however, have a subject without a gender disclosure. Would I set up my class and contrasts as: 5 classes: PatentientsMale, PatientsFemale, HCMale, HCFemale, HCNa then use contrast [0.5 0.5 -0.33 -0.33 -0

[Freesurfer] TRACULA - custom tracts and path labelling

2022-08-17 Thread Liliana Wu
External Email - Use Caution Hi, I am trying to reconstruct the inferior frontal occipital fasciculus (IFOF) but I am seeing that this tract is not included in TRACULA. Does TRACULA enable manually selecting seed and target ROIs ? Also, I am trying to access the list of the abb

[Freesurfer] TRACULA - preprocessing error

2022-08-19 Thread Liliana Wu
External Email - Use Caution Hi, I ran the preprocessing command trac-all -prep -c $SUBJECTS_DIR/script and I am getting the following error ERROR: fio_pushd: /home/lwu/Desktop/OIRM02/trc/OIRM02/dlabel/mni I don’t see the mni folder created in my files… I am trying to only reco

Re: [Freesurfer] TRACULA - preprocessing error

2022-08-19 Thread Liliana Wu
t (core dumped) Linux il-isotropic 5.4.0-122-generic #138~18.04.1-Ubuntu SMP Fri Jun 24 14:14:03 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux trac-preproc exited with ERRORS at Fri Aug 19 13:42:49 EDT 2022 ____________ From: Liliana Wu Sent: August 19, 2022 12:44 PM To: freesurfer@nmr.

[Freesurfer] TRACULA - Ball-and-stick model fit running time

2022-09-02 Thread Liliana Wu
External Email - Use Caution Hi, I have successfully run the preprocessing steps for my DWI data, and I was wondering how long does bedpostx usually take to process DWI? I am running on a high-powered computer (cluster) and a multi-shell data 3 b-values of (b= 1000s/mm2, 34 di