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Updated: Nov 22, 2025

Reliable Acquisition of Electroencephalography Data during Simultaneous Electroencephalography and Functional MRI
Published on: March 19, 2021
Failure to recognize muscular artifacts on the EEG may cause a wrong diagnosis of myoclonic status epilepticus
Philippe Gelisse1,2, Pierre Genton3, Arielle Crespel1,2
1Epilepsy Unit, Hôpital Gui de Chauliac, Montpellier, France.
Abstract:
•Quetiapine may cause myoclonus.•Usually, no muscular artifact on the midline EEG electrodes•The EEG pattern of myoclonic jerks is rather polyspike-waves and not only polyspikes.•Failure to recognize muscular artifacts may cause a wrong diagnosis of polyspikes.
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