Muscle tonus in human subjects during sleep and dreaming
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(1963)
Cited by (54)
Dissociation of tic generation from tic expression during the sleep-wake cycle
2021, iScienceCitation Excerpt :One key factor whose tic-attenuating effect is still a topic of heated debate is sleep (Oksenberg, 2020). In healthy subjects, falling asleep is accompanied by muscle tone reduction (Jacobson et al., 1964; Chase, 1990). Early studies of patients with TS reported an absence of tics during sleep (Shapiro et al., 1973; Rothenberger et al., 2001); however, later polysomnographic studies reported their persistence (Glaze et al., 1983; Jankovic et al., 1984; Jankovic and Rohaidy, 1987; Silvestri et al., 1990, 1995; Fish et al., 1991; Cohrs et al., 2001) and found that multiple properties of tics undergo significant changes.
What subjective experiences determine the perception of falling asleep during sleep onset period?
2010, Consciousness and CognitionMeasurement of sleep
2010, Progress in Brain ResearchCitation Excerpt :The AASM derivations are widely applied but also subject of discussion (AASM FAQs, 2010). Other interesting ones are the fronto-central Fpz-Cz EEG because it is over the full slow-wave generating area (Happe et al., 2002) while being less sensitive to movement artefacts, the purely horizontally derived EOG because it is easier to interpret than the oblique AASM derivations and less affected by artefacts and large EEG waves such as K-complexes, and finally the purely submental EMG (derived from the two electrodes below the chin, see Fig. 2) because it is specific to REM sleep (Ferri et al., 2008; Jacobson et al., 1964; Rechtschaffen and Kales, 1968). The type of electrode and its attachment to the skin are critical in any EXG recording, and even more so in sleep investigations because of their long duration.
Quantitative analysis of surface EMG activity of cranial and leg muscles across sleep stages in human
2006, Clinical NeurophysiologyCitation Excerpt :The present study surveyed changes in EMG activity from wakefulness to various sleep stages in only 3 cranial muscles and in one limb muscle. It would be interesting to use power spectral analysis to estimate the EMG activity of several other limb muscles to confirm the absence of reduction in EMG activity during REM, along the lines of previous qualitative visual analysis (Jacobson et al., 1964). Although we recognize that it is possible that EMG recordings of cranial muscles might also have been contaminated by low frequency brain and heart electrical activities (Cacioppo et al., 1990; van Boxtel, 2001), this may have a limited influence on resting muscle level during REM sleep.
Recognition of Sleep Stages and Adult Scoring Technique
2005, Atlas of Sleep MedicinePhysiologic Variations during Sleep in Children
2005, Principles and Practice of Pediatric Sleep Medicine
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Mr. Jacobson submitted this material as part of his M.S. thesis, January, 1964.
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Dr. Lehmann is a Fellow of the German Academic Exchange Service.
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The results of this investigation were presented at the Annual Meeting of the Association for the Psychophysiological Study of Sleep, Palo Alto, California, March 27, 1964.