John Libbey Eurotext

Snoring-related artifact: scalp EEG correlate of historical “limbic spindles” Volume 23, issue 1, February 2021

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Author
Department of Neurology, West Virginia University School of Medicine, Morgantown, WV, USA
* Correspondence: Zubeda Sheikh Department of Neurology, West Virginia University School of Medicine, Morgantown, WV, USA

Artifact identification on EEG is essential in avoiding overdiagnosis. The sleep EEG depicts ∼30-Hz bursts, maximum over bilateral frontopolar contacts, lasting ∼ 0.5 seconds (Figure 1A, B). Periodic occurrence at ∼ 20/min raised suspicion for a respiration-related artifact. Audio-EEG (Audio-EEG 1) confirmed the correlation with forced expirations. “Spindle bursts” at 20-28 Hz, coinciding with the end of inspiration and beginning of expiration, recorded from nasopharyngeal [...]