AUTHOR=Sala Francesco , Giampiccolo Davide , Cattaneo Luigi TITLE=Novel Asleep Techniques for Intraoperative Assessment of Brain Connectivity JOURNAL=Frontiers in Neurology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/neurology/articles/10.3389/fneur.2021.687030 DOI=10.3389/fneur.2021.687030 ISSN=1664-2295