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Chewing artifact on polysomnography

Chewing artifact on polysomnography
This figure shows a PSG with chewing artifact, characterized by rhythmic bursts of muscles activity in the high frequency range of 50 to 100 Hz, usually with shorter onset times than the EEG bursts (dashed boxes).
EOG: electrooculography; EEG: electroencephalography; EMG: electromyography; ECG: electrocardiography; PSG: polysomnography.
Illustrated by Seulah Rebecca Choi. Reproduced with permission.
Graphic 104851 Version 1.0