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. 2021 Jul 22;15:678158. doi: 10.3389/fncom.2021.678158

Figure 9.

Figure 9

(A,B) Two GRUs exhibit 2D bounded regions of homoclinic-like behavior. (C,D) represent the hidden state as a function of time for a single initial condition within the homoclinic-like region(s) of the single and double homoclinic-like region cases, respectively, (denoted by solid black trajectories in each corresponding phase portrait).