AUTHOR=Klein Elise , Babai Reuven , Ischebeck Anja , Moeller Korbinian TITLE=Editorial: Neuro-cognitive Architecture of Numerical Cognition and Its Development JOURNAL=Frontiers in Human Neuroscience VOLUME=15 YEAR=2021 URL=https://www.frontiersin.org/journals/human-neuroscience/articles/10.3389/fnhum.2021.670460 DOI=10.3389/fnhum.2021.670460 ISSN=1662-5161