AUTHOR=Liu Xiao , Chang Catie , Duyn Jeff H. TITLE=Decomposition of Spontaneous Brain Activity into Distinct fMRI Co-activation Patterns JOURNAL=Frontiers in Systems Neuroscience VOLUME=7 YEAR=2013 URL=https://www.frontiersin.org/journals/systems-neuroscience/articles/10.3389/fnsys.2013.00101 DOI=10.3389/fnsys.2013.00101 ISSN=1662-5137