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. 2014 Mar 7;9(3):e91090. doi: 10.1371/journal.pone.0091090

Figure 2. Model space partitioning.

Figure 2

(a) For family-level inference the model space was partitioned into 4 subsets with different patterns of connectivity. (1) No connection between the visual ROI and the cSPL, (2) a bottom-up connection from the visual ROI to the cSPL, (3) a top-down connection from the cSPL to the visual ROI, and (4) a bottom-up as well as a top-down connection between the visual ROI and the cSPL. (b) As an example, the bottom-up model family contained 8 different models, which differed in how up-regulation affects the network. Up-regulation can affect both ROIs, either of the ROIs, or no ROI, and it can affect the bottom-up connection between the visual ROI and the cSPL.