AUTHOR=Chrysikou Evangelia G. , Berryhill Marian E. , Bikson Marom , Coslett H. Branch TITLE=Editorial: Revisiting the Effectiveness of Transcranial Direct Current Brain Stimulation for Cognition: Evidence, Challenges, and Open Questions JOURNAL=Frontiers in Human Neuroscience VOLUME=11 YEAR=2017 URL=https://www.frontiersin.org/journals/human-neuroscience/articles/10.3389/fnhum.2017.00448 DOI=10.3389/fnhum.2017.00448 ISSN=1662-5161