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transition to deep sleep, REM, or wake. K complexes
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indistinguishable from that of REM sleep. Note: In the
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unambiguous Stage 2. Stage REM sleep Stage REM is defined by a
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when identification of Stage REM is unreliable (usually due
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CP. - Arousals in REM unreliable: when EMG is
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absent during all or REM portion of the study.
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6c - Arousals in REM, EMG activity Episodic Event
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6d, and 6e - Rem sleep examples - SsFigures
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- Delta waves in REM; REM density; beta activity and isolated Ks in REM - SsFigures 6a and
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EEG accleration Arousals in REM In stage REM, an EEG frequency shift
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6a - Arousals in REM, EMG activity ArFigure 6b - Arousals in REM, EMG activity ArFigure 6c - Arousals in REM, EMG activity TIPS for Arousals in REM: - If the level of REM EMG appears to be
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identify this as a REM arousal. - A long
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ai_rem
under
Sleep/Polysomnography (PSG)/Arousals
in
CHAT variables
Rapid eye movement sleep (REM) Arousal Index - total arousals in rapid eye movement sleep (REM) per hours of rapid eye movement sleep (REM) (Total number of arousals in rapid eye movement sleep (REM)) / (hours of rapid eye movement sleep (REM))
poai_nre
under
Polysomnography/Arousals
in
MROS variables
Non-REM Arousal Index - total arousals in non-REM sleep per hours of non-REM sleep [(Total number of arousals in non-REM sleep) / (hours of non-REM sleep)]
remnrempr
under
Sleep/Polysomnography (PSG)/Sleep Architecture
in
CHAT variables
1=Sleep staging problem - scoring rapid eye movement sleep (REM)/non-rapid eye movement sleep (NREM) unreliable (when identification of Stage rapid eye movement sleep (REM) is unreliable (usually due to poor or missing EMG or when both EOGs are absent))
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off to sleep onset); REM latency I (defined as
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of sleep to first REM). Heart Rate data: -
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with the arousals (in REM and Non-REM separately). Following
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remarunrel
under
Polysomnography/Signal Quality
in
CFS variables
Due to signal problems, scorer was unable to reliably assess arousals in stage REM. The scoring of arousals in stage REM was determined to be unreliable.