medRxiv preprint doi: https://doi.org/10.1101/2020.12.17.20248426; this version posted December 23, 2020. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted medRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC-ND 4.0 International license . Title page Full title Source-level EEG and graph theory reveal widespread functional network alterations in focal epilepsy Authors and affiliations Christoffer Hatlestad-Hall1, Ricardo Bruña2,3,4, Marte Roa Syvertsen5, Aksel Erichsen1,6, Vebjørn Andersson1, Fabrizio Vecchio7, Francesca Miraglia7, Paolo M. Rossini7, Hanna Renvall8,9, Erik Taubøll1,10, Fernando Maestú2,3,4, and Ira H. Haraldsen1 1 Department of Neurology, Oslo University Hospital, Oslo, Norway 2 Center for Biomedical Technology, Technical University of Madrid, Pozuelo de Alarcón, Spain 3 Department of Experimental Psychology, Complutense University of Madrid, Pozuelo de Alarcón, Spain 4 Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid, Spain 5 Department of Neurology, Drammen Hospital, Vestre Viken Health Care Trust, Drammen, Norway 6 Department of Nuclear Medicine, Oslo University Hospital, Oslo, Norway 7 Brain Connectivity Laboratory, Department of Neuroscience and Neurorehabilitation, IRCCS San Raffaele Pisana, Rome, Italy 8 Department of Neuroscience and Biomedical Engineering, Aalto University, Helsinki, Finland 9 BioMag Laboratory, HUS Medical Imaging Center, Helsinki University Hospital, Helsinki, Finland 10 Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway Correspondence to: Christoffer Hatlestad-Hall Department of Neurology, Oslo University Hospital, PO Box 4956 Nydalen, 0424 Oslo, Norway Email:
[email protected] NOTE: This preprint reports new research that has not been certified by peer review and should not be used to guide clinical practice.