Fig. 7
From: Modeling brain connectivity dynamics in functional magnetic resonance imaging via particle filtering
Plots in blue color show the PF-estimated time courses of three representative hidden parameters \(a_{ij}\) in the case of a 4-node motor network, estimated in real fMRI data in one subject. Top panel depicts the coefficient describing the negligible causal effect exerted by area S1 over P. Central and bottom panels represent the causal effect exerted by the SM area over M1 and viceversa respectively