AUTHOR=Rockland Kathleen S. , DeFelipe Javier TITLE=Editorial: Why Have Cortical Layers? What Is the Function of Layering? Do Neurons in Cortex Integrate Information Across Different Layers? JOURNAL=Frontiers in Neuroanatomy VOLUME=12 YEAR=2018 URL=https://www.frontiersin.org/journals/neuroanatomy/articles/10.3389/fnana.2018.00078 DOI=10.3389/fnana.2018.00078 ISSN=1662-5129