Wolfgang Mader, David Feess, Rüdiger Lange, Dorothee Saur, Volkmar Glauche, Cornelius Weiller, Jens Timmer, Björn Schelter. On the Detection of Direct Directed Information Flow in fMRI. J. Sel. Topics Signal Processing, 2(6):965-974, 2008. [doi]
Abstract is missing.