Figure 4.

Information propagation in the EB-PB feedback loop. (A) If starting from the subunits R1 and L8 of PB (the first panel from the left) in the observed network, a signal quickly propagates to the central and lateral subunits in PB via EB after two levels of propagation. Colors indicate the number of hits by the signal in each subunit. (B) In the model network, the same starting subunit leads to a much smaller hit number. (C) If we start from L5 and R4 subunits in PB, the signal propagates between L5, R4, and neighboring PB subunits via EB. (D) Same as in c but for the model network. The model network exhibits the same propagation pattern and number of hits as those in the observed network.