Accepted for Publication: December 16, 2013.
Published Online: February 17, 2014. doi:10.1001/jamaneurol.2013.6238.
Study concept and design: Hirsch, Gaspard.
Acquisition of data: Yoo, Rampal, Petroff, Gaspard.
Analysis and interpretation of data: All authors.
Drafting of the manuscript: Yoo, Gaspard.
Critical revision of the manuscript for important intellectual content: Rampal, Petroff, Hirsch, Gaspard.
Statistical analysis: Gaspard.
Administrative, technical, or material support: Gaspard.
Study supervision: Rampal, Petroff, Hirsch, Gaspard.
Conflict of Interest Disclosures: Dr Hirsch has received research support for investigator-initiated studies from UCB-Pharma, Upsher-Smith, and Lundbeck; consultation fees for advising from Lundbeck, Upsher-Smith, and GlaxoSmithKline; and royalties as an author of chapters in Aminoff MJ, Pedley TA, Posner B, eds. UpToDate–Neurology. Philadelphia, PA: Wolters Kluwer Healthcare; 2008-2013, and as an editor of Hirsch L, Brenner R, eds. Atlas of EEG in Critical Care. Hoboken, NJ: Wiley; 2010.
Funding/Support: Dr Gaspard is the recipient of a postdoctoral research fellowship from the Epilepsy Foundation.
Role of the Sponsor: The Epilepsy Foundation had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Previous Presentation: A preliminary version of this work was presented as a poster at the American Clinical Neurophysiology Society Meeting; February 8, 2013; Miami, Florida.
Additional Contributions: We thank the attending physicians, fellows, and EEG technologists of the Yale Comprehensive Epilepsy Center for their assistance in performing and interpreting the EEGs. The authors also thank Rebecca Khozein, DOM, MS, REEG/EPT, RPSGT, RNCST, and William Mahoney, RPSGT (both of the Comprehensive Epilepsy Center and Division of Clinical Neurophysiology, Yale University), for technical and organizational supervision.