Tripolar concentric EEG electrodes reduce noise

Tripolar concentric EEG electrodes reduce noise

•Tripolar concentric ring electrodes (TCRE) provide differential recordings and reduced muscle artifact.•TCRE are better at detecting focal slowing, but worse at detecting spikes. Both see seizures.•Using both regular and TCRE electrodes may maximize detection of EEG patterns. To assay EEG signal qu...

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Veröffentlicht in:Clinical neurophysiology 2020-01, Vol.131 (1), p.193-198
Hauptverfasser: Aghaei-Lasboo, Anahita, Inoyama, Katherine, Fogarty, Adam S., Kuo, Jonathan, Meador, Kimford J., Walter, Jessica J., Le, Scheherazade T., Graber, Kevin D., Razavi, Babak, Fisher, Robert S.
Format: Artikel
Sprache:eng
Schlagworte:
Clinical Neurology
EEG electrodes
Interictal spikes
Life Sciences & Biomedicine
Neurosciences
Neurosciences & Neurology
Science & Technology
Seizures
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Zusammenfassung:•Tripolar concentric ring electrodes (TCRE) provide differential recordings and reduced muscle artifact.•TCRE are better at detecting focal slowing, but worse at detecting spikes. Both see seizures.•Using both regular and TCRE electrodes may maximize detection of EEG patterns. To assay EEG signal quality recorded with tripolar concentric ring electrodes (TCREs) compared to regular EEG electrodes. EEG segments were recorded simultaneously by TCREs and regular electrodes, low-pass filtered at 35 Hz (REG35) and 70 Hz (REG70). Clips were rated blindly by nine electroencephalographers for presence or absence of key EEG features, relative to the “gold-standard” of the clinical report. TCRE showed less EMG artifact (F = 15.4, p 
ISSN:1388-2457
1872-8952
DOI:10.1016/j.clinph.2019.10.022