1. From the Division of Developmental and Cognitive Neuroscience, Yerkes National Primate Research Center, Emory University, Atlanta, Georgia (J.R., M.C.A.); Department of Experimental Psychology, Oxford University, Oxford, United Kingdom (K.L.M.); and Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York (M.G.B.).