Spatiotemporal ICA of fMRI Data

We introduce spatiotemporal independent component analysis, amethod which simultaneously maximises statistical independenceover both time and space. Independent component analysis (ICA)of an image sequence extracts a set of statistically independent images,and denes a corresponding set of unconstrained dual timecourses. However, the extra degrees of freedom implicit in thesetime courses can lead to solutions consisting of statistically independentimages which are obtained at the...