AUTHOR=Guo Yan-Chen , Yuan Ti-Fei TITLE=Commentary: Astroglial CB1 Receptors Determine Synaptic D-Serine Availability to Enable Recognition Memory JOURNAL=Frontiers in Pharmacology VOLUME=9 YEAR=2018 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2018.00988 DOI=10.3389/fphar.2018.00988 ISSN=1663-9812