Figure 1. Selected landmarks in the development and application of G-causality for neuroscience and neuroimaging. Blue boxes refer to fMRI studies and green boxes to electrophysiological studies; red boxes show theoretical/modeling advances. The embedded references are as follows: [1], Bernasconi and König (1999); [2], Ding et al., (2000); [3], Goebel et al. (2003); [4], Brovelli et al. (2004); [5], Valdés-Sosa et al. (2005); [6], David et al. (2008); [7], Wang et al. (2008); [8], Dhamala et al. (2008); [9], Barnett et al. (2009); [10], Ryali et al. (2011); [11], Wen et al. (2012); [12], Seth et al. (2013); [13], van Kerkoerle et al. (2014); [14], Bastos et al. (2015).