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Reply by DennisDean on July 28, 2014 on Forum
The artifact detection method used in ... thresholds are identified as artifact and excluded from summary ... epochs which are 'clearly' artifact. The approach can be ...
artifact under Polysomnography/Signal Quality in CFS
Total minutes of unscorable (artifact) data
artifact under Sleep/Polysomnography (PSG)/Signal Quality in CHAT
Total minutes of unscorable (artifact) data
stg2stg3pr under Sleep/Polysomnography (PSG)/Signal Quality in CHAT
1=sleep staging problem - scoring stage2/stage3-4 unreliable (when distinction between Stage 2 and Deep Sleep is unreliable because of EEG artifact (usually due to the respiratory or sweat artifact on the EEG, and High Pass filter =1Hz used))
artifact under Polysomnography (PSG)/Respiratory Events in SOF
artifact under Polysomnography/Signal Quality in NUMOM2B
Reply by mrueschman on February 27, 2019 on Forum
... noted that there is artifact on the ECG channel ... this (i.e. excluded ECG artifact) will be the common ...
slpa102 under Sleep Monitoring in HCHS
slpa104 under Sleep Monitoring in HCHS
overall_shhs1 under Measurements/Polysomnography/Signal Quality/SHHS1 in SHHS
Overall study grade as assigned by scorer. The overall quality grade is based on the quality and duration of EEG, respiratory and oximetry signals. Based on signal quality during recording time. Studies are given a study code varying from outstanding to fair. If interested in studies of the best quality, overall quality scores of Very Good, Excellent and Oustanding can be selected. This code reflects the total duration of useable (artifact free, scorable) signals across channels, weighing those signals most critical for accurate scoring of respiratory events and staging.