期刊
EPILEPSY RESEARCH
卷 149, 期 -, 页码 117-122出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.eplepsyres.2018.12.008
关键词
EEG-fMRI; Epilepsy; Motion artifact; Motion sensor; Conductive gel bridge
资金
- Tel Aviv Medical Center (TLVMC) BRAIN grant
- Sackler Faculty of Medicine graduate scholarship
- Ministry of Aliyah and Integration Scholarship Program
EEG-fMRI allows the localization of the hemodynamic correlates of neural activity and has been shown to be useful as a diagnostic tool in pre-surgical evaluation of refractory epilepsy. However, EEG recordings may be highly contaminated by artifacts induced by movements inside the magnetic field thus rendering the scan difficult for interpretation. Existing methods for motion correction require additional equipment or hardware modification. We introduce a simple method for motion artifact detection, the conductive gel bridge sensor (CGBS), easily applicable using the standard setup. We report examples of CGBS use in two patients with epilepsy and demonstrate the method's ability to successfully differentiate between epochs of brain activity and those of movement.
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