AUTHOR=Kar Kohitij TITLE=Commentary: On the possible role of stimulation duration for after-effects of transcranial alternating current stimulation JOURNAL=Frontiers in Systems Neuroscience VOLUME=9 YEAR=2015 URL=https://www.frontiersin.org/journals/systems-neuroscience/articles/10.3389/fnsys.2015.00148 DOI=10.3389/fnsys.2015.00148 ISSN=1662-5137