SLEEP STUDY

Sleep study

Sleep study

Answer 1)

Several types of artifact are commonly present in polysomnographic data, including line noise, movement and electrode artifacts (extreme artifact), slow rolling eye movement, eye blinks, EMG, and EKG. Such artifacts may complicate computerized analysis. For example, power spectral analyses may be corrupted by high voltage artifacts in the frequency range of interest. Similarly, automated computer scoring systems may misinterpret artifact as normal sleep phenomena, resulting in incorrect classification. Analysis of large polysomnographic data sets will be essential for studies of the genetics and underlying mechanisms of sleep. Manual removal of artifact from large numbers of polysomnograms is ...