# FreeSurfer SUBJECTS_DIR # T1 images and FreeSurfer segmentations are expected to be found here # set SUBJECTS_DIR=/sc/arion/projects/adineto/ADNI_tracto_1/emrin_choose/TRACULA/DTI_NL_MCI/subjects/003_S_4288 # output directory (same as SUBJECTS_DIR) set dtroot = /sc/arion/projects/adineto/ADNI_tracto_1/emrin_choose/TRACULA/DTI_NL_MCI/subjects/003_S_4288 # Subject IDs (one per time point per subject) set subjlist = (003_S_4288_ses-1 003_S_4288_ses-2) # Longitudinal base template subject IDs (one for each time point above) set baselist = (003_S_4288_base 003_S_4288_base) # Default: Run analysis on all time points and subjects set runlist = (1 2) # Input diffusion DICOMs (file names relative to dcmroot) set dcmroot = /sc/arion/projects/adineto/ADNI_tracto_1/emrin_choose/TRACULA/DTI_NL_MCI/subjects set dcmlist = (003_S_4288/DTI/DTI_ses-1/003_S_4288.nii.gz 003_S_4288/DTI/DTI_ses-2/003_S_4288.nii.gz) # Diffusion gradient tables (if there is a different one for each scan) set bveclist = (/sc/arion/projects/adineto/ADNI_tracto_1/emrin_choose/TRACULA/DTI_NL_MCI/subjects/003_S_4288/DTI/DTI_ses-1/003_S_4288.bvec /sc/arion/projects/adineto/ADNI_tracto_1/emrin_choose/TRACULA/DTI_NL_MCI/subjects/003_S_4288/DTI/DTI_ses-2/003_S_4288.bvec) # Diffusion b-value tables (if there is a different one for each scan) set bvallist = (/sc/arion/projects/adineto/ADNI_tracto_1/emrin_choose/TRACULA/DTI_NL_MCI/subjects/003_S_4288/DTI/DTI_ses-1/003_S_4288.bval /sc/arion/projects/adineto/ADNI_tracto_1/emrin_choose/TRACULA/DTI_NL_MCI/subjects/003_S_4288/DTI/DTI_ses-2/003_S_4288.bval) # Perform registration-based eddy-current compensation? set doeddy = 1 # Rotate diffusion gradient vectors to match eddy-current compensation? set dorotbvecs = 1 # Fractional intensity threshold for BET mask extraction from low-b images # This mask is used only if usemaskanat = 0 - default =0.3 set thrbet = 0.3 # Perform diffusion-to-T1 registration by flirt? # Default: 0 (no) set doregflt = 0 # Perform diffusion-to-T1 registration by bbregister? # Default: 1 (yes) set doregbbr = 1 # Perform registration of T1 to MNI template? # Default: 1 (yes) set doregmni = 1 # MNI template # Only used if doregmni = 1 # Default: $FSLDIR/data/standard/MNI152_T1_1mm_brain.nii.gz set mnitemp = /hpc/packages/minerva-common/fsl/6.0.0/fsl/data/standard/MNI152_T1_1mm_brain.nii.gz # Perform registration of T1 to CVS template? # Default: 0 (no) set doregcvs = 0 # Use brain mask extracted from T1 image instead of low-b diffusion image? # Has no effect if there is no T1 data # Default: 1 (yes) set usemaskanat = 1 # Paths to reconstruct # Default: All paths in the atlas set pathlist = (lh.cst_AS rh.cst_AS lh.unc_AS rh.unc_AS lh.ilf_AS rh.ilf_AS fmajor_PP fminor_PP lh.atr_PP rh.atr_PP lh.ccg_PP rh.ccg_PP lh.cab_PP rh.cab_PP lh.slfp_PP rh.slfp_PP lh.slft_PP rh.slft_PP) # Number of path control points # It can be a single number for all paths or a different number for each of the # paths specified in pathlist # Default: 7 for the forceps major, 6 for the corticospinal tract,4 for the angular bundle, and 5 for all other paths set ncpts = (6 6 5 5 5 5 7 5 5 5 5 5 4 4 5 5 5 5) # Number of "sticks" (anisotropic diffusion compartments) in the bedpostx # ball-and-stick model # Default: 2 set nstick = 2 # Number of MCMC burn-in iterations # (Path samples drawn initially by MCMC algorithm and discarded) # Default: 200 set nburnin = 200 # Number of MCMC iterations # (Path samples drawn by MCMC algorithm and used to estimate path distribution) # Default: 7500 set nsample = 7500 # Frequency with which MCMC path samples are retained for path distribution # Default: 5 (keep every 5th sample) set nkeep = 5 # Reinitialize path reconstruction? # This is an option of last resort, to be used only if one of the reconstructed # pathway distributions looks like a single curve. This is a sign that the # initial guess for the pathway was problematic, perhaps due to poor alignment # between the individual and the atlas. Setting the reinit parameter to 1 and # rerunning "trac-all -prior" and "trac-all -path", only for the specific # subjects and pathways that had this problem, will attempt to reconstruct them # with a different initial guess. # Default: 0 (do not reinitialize) set reinit = 0