AUTHOR=Balaguer-Ballester Emili TITLE=Cortical Variability and Challenges for Modeling Approaches JOURNAL=Frontiers in Systems Neuroscience VOLUME=11 YEAR=2017 URL=https://www.frontiersin.org/journals/systems-neuroscience/articles/10.3389/fnsys.2017.00015 DOI=10.3389/fnsys.2017.00015 ISSN=1662-5137