AUTHOR=Bertrand Olivier , Jerbi Karim TITLE=Cross-frequency coupling in parieto-frontal oscillatory networks during motor imagery revealed by magnetoencephalography JOURNAL=Frontiers in Neuroscience VOLUME=3 YEAR=2009 URL=https://www.frontiersin.org/journals/neuroscience/articles/10.3389/neuro.01.011.2009 DOI=10.3389/neuro.01.011.2009 ISSN=1662-453X