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AJNR - American Journal of Neuroradiology

Published ahead of print on June 19, 2008
doi: 10.3174/ajnr.A1143

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MR Imaging–Compatible Electroencephalography Electrode System for an Epilepsy Monitoring Unit

S.M. Mirsattari^a,b,c,d, L.M. Tapsell^e, J.R. Ives^a,d and D.H. Lee^c,d

^a Department of Clinical Neurological Sciences, The University of Western Ontario, London, Ontario, Canada
^b Department of Medical Biophysics, The University of Western Ontario, London, Ontario, Canada
^c Department of Diagnostic Radiology and Nuclear Medicine, The University of Western Ontario, London, Ontario, Canada
^d London Health Sciences Centre, London, Ontario, Canada
^e Epilepsy Clinic, Mayo Clinic Hospital, Scottsdale, Ariz

View larger version (90K): [in this window] [in a new window]   Fig 1. MR imaging–compatible EEG disk electrodes made of gold-plated copper and silver wires attached to an MR imaging–compatible interface EEG cable via 3 connectors (arrows). The cable was disconnected before the MR imaging.

View larger version (128K): [in this window] [in a new window]   Fig 2. Attachment of the MR imaging–compatible EEG electrodes to the scalp in the extended international 10–20 system.