This repository contains statistical analysis code and image processing documentation used for the 2023 QSM column-based analyses of Alzheimer's disease in the Madden Lab.
The roi_labels.csv file provides a label for each of the 34 regions-of-interest (ROIs), per hemisphere, from the Desikan-Killiany atlas (Desikan et al., 2006).
CustomMap.mat is a custom color coded map used in MATLAB to create Figures 4 and 5 (mat11_depth.mat).
qsm_columns.R was used to create Figures 2 and 3 and to conduct the moderation analyses.
The .docx files contain the results from the linear regression and repeated measure ANOVAs that were conducted in JASP.