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. 2017 Nov 1;161:19–31. doi: 10.1016/j.neuroimage.2017.08.034

Fig. 2.

Fig. 2

Description of the canonical microcircuit (CMC) used in the DCM procedure. The diagram on the left shows the three-layer model, with excitatory connections shown in blue and the inhibitory (i.e. GABAergic) connections shown in red. Grey arrows represent self-inhibition within each of the excitatory cell populations. On the right are described all of the parameters that define the model, including their prior values (PI) and their precisions (sigma).