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. Author manuscript; available in PMC: 2016 Aug 19.
Published in final edited form as: Annu Rev Clin Psychol. 2015 Jan 2;11:361–377. doi: 10.1146/annurev-clinpsy-032814-112753

Figure 1.

Figure 1

A heuristic organization of popular functional magnetic resonance imaging (fMRI)-based connectivity methods. A gradient between fully data-driven, exploratory analyses and very strongly hypothesis-driven analyses is proposed. Small filled circles indicate functionally or anatomically defined nodes. Light blue lines represent functional connectivity, and arrows represent effective connectivity. Lines and arrows not pointing to nodes indicate whole-brain, voxel-wise analyses. Ellipsis indicates the as-yet not fully understood relation between task and rest.