AUTHOR=Sjöström P. Jesper TITLE=Grand Challenge at the Frontiers of Synaptic Neuroscience JOURNAL=Frontiers in Synaptic Neuroscience VOLUME=13 YEAR=2021 URL=https://www.frontiersin.org/journals/synaptic-neuroscience/articles/10.3389/fnsyn.2021.748937 DOI=10.3389/fnsyn.2021.748937 ISSN=1663-3563