Figure 2.

Illustration of the simulated eight dynamically coupled sources (Left) from the brain connectivity model performed in three stages of 5 s each. On stages 1 and 3 the alpha cluster in ACC and beta cluster in PCC are only intra-coupled. On stage 2, the clusters are intra- and inter-coupled. The source activations were projected to the scalp using a BEM forward head model. The 64-channel EEG signals were simulated for 10 different levels of noise and then decomposed into the alpha and beta bands. Averaged CCM values from anterior to posterior channels (Right) were consistent with the changes in the inter-cluster coupling during the stages.