Zero-lag correlation for voxel level fMRI data
GPU part implementation of the following paper:
O. Firat, I. Onal, E. Aksan, B. Velioglu, I. Oztekin, F. T. Yarman Vural, "Large Scale Functional Connectivity for Brain Decoding", 11th IASTED International Conference on Biomedical Engineering (BioMed), 2014.