Disorder in CRU positions shortens the CL, but simultaneously decreases the effect of βAR. (A) Bar graph of respective AP firing lengths (for numerical data, see Table 1). (B) An example of simulations of βAR stimulation effects for extreme cases of CRU distributions: uniformly random (top) versus square lattice (bottom). (C) CL changes correlate with basal CL (before βAR stimulation), βAR stimulation synchronizes AP firing towards a common AP firing CL. See original simulation data in Fig. S3.