A Granger Causality Measure for Point Process Models of Ensemble Neural Spiking Activity Kim, Sanggyun ; Putrino, David ; Ghosh, Soumya ; Brown, Emery N. Abstract Publication: PLoS Computational Biology Pub Date: March 2011 DOI: 10.1371/journal.pcbi.1001110 Bibcode: 2011PLSCB...7E1110K