A repository of code used in Shannon Kelley's paper "Age-related differences in white matter: Understanding tensor-based results using fixel-based analysis"
- Scripts showing how Fixel_based analysis was done
- Run in order from run_mtrix 1 to run_mrtrix5
- Also shows how PVE mask was created
- Examples of commands used for Tract Specific analysis
- Subject's mean value is calculated in Tract_to_Values
- Compile.m shows how values for each subject for each tract are compiled
- Permutation.m shows the script for permutation testing
- Cohen.m shows how Cohen's D was found for a tract
- Visualize shows the commands used to visualize tracts for the figures
- Functions/scripts for FA-CX correlation correction
- pregress1.m corrects for correlations across subjects;
- pregress2.m then corrects for correlations across voxels.
- The "looper" scripts loop through all subjects to perform the corrections.
- Be sure to input the folders where the FA, CX, and output files are stored.
- Contains a page of other commands used during analysis
- How to get FA files, CX files, Visualization, whole brain VBA, etc.