Recordings are made of the physiologic events during sleep to understand the mechanisms
of sleep and wakefulness, identify sleep disorders, determine appropriate therapies,
and monitor response to treatment. Correct interpretation depends on producing high-quality,
artifact-free recordings. The objectives of this article are to illustrate common
artifacts in polysomnographic recordings, to show how to differentiate between physiologic
and nonphysiologic artifacts, to describe the known causes of artifacts, to learn
to identify the source of artifacts, and to explain how to optimize the postrecording
signals.
Keywords
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References
- Fundamentals of sleep technology.Lippincott Williams & Wilkins, Philadelphia2007 (p. 362, 257)
- The AASM manual for the scoring of sleep and associated events: rules, terminology and technical specifications.1st edition. American Academy of Sleep Medicine, Westchester (IL)2007
American Academy of Sleep Medicine, editors. International classification of sleep disorders diagnostic and coding manual, 2nd edition, Westchester (IL): American Academy of Sleep Medicine; 2005. p. 190.
- Fundamentals of EEG technology, vol.1. Basic concepts and methods.Raven Press, New York1983 (p. 88)
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© 2009 Elsevier Inc. Published by Elsevier Inc. All rights reserved.
