“…Larger perturbations beyond the black circle, however, would not yield robust functionality. The presence of multiple clusters of red circles in the smaller scale represents degeneracy, where similar functionality is achieved if parameters are within any of those multiple clusters [Color figure can be viewed at wileyonlinelibrary.com] Bickle, 2015;Jazayeri & Afraz, 2017;Jonas & Kording, 2017;Kandel et al, 2014;Katz, 2016;Kim & Linden, 2007;Krakauer et al, 2017;Lazebnik, 2002;Marder, 1998;Marder, 2011;Marder, 2012;Marder, O'Leary, & Shruti, 2014;Marder & Thirumalai, 2002;Mayford et al, 2012;Panzeri et al, 2017;Tytell, Holmes, & Cohen, 2011), and will not be the focus of this review.…”