1985
DOI: 10.1016/0031-9384(85)90173-8
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Polygraphic and behavioral study of sleep in geese: Existence of nuchal atonia during paradoxical sleep

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Cited by 59 publications
(40 citation statements)
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“…1a, b) likely reflect brief oscillations of the eye, as previously described during wakefulness [Pettigrew et al, 1990] and SWS in other birds [Dewasmes et al, 1985;Tobler and Borbély, 1988]. In contrast to eye movements occurring during REM sleep, these eye movements were smaller and tended to occur at regular intervals [Dewasmes et al, 1985;Tobler and Borbély, 1988]. These small eye movements were not included in our quantification of eye movements.…”
Section: Resultsmentioning
confidence: 82%
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“…1a, b) likely reflect brief oscillations of the eye, as previously described during wakefulness [Pettigrew et al, 1990] and SWS in other birds [Dewasmes et al, 1985;Tobler and Borbély, 1988]. In contrast to eye movements occurring during REM sleep, these eye movements were smaller and tended to occur at regular intervals [Dewasmes et al, 1985;Tobler and Borbély, 1988]. These small eye movements were not included in our quantification of eye movements.…”
Section: Resultsmentioning
confidence: 82%
“…Although dissociated states of this nature have not been described before in birds, there is precedence for some aspects of REM sleep to depend on a bird's posture. Notably, when geese sleep with their head fully supported on their back they show mammalian-like nuchal (neck) EMG atonia, whereas when they sleep with their head facing forwards and unsupported some muscle tone is maintained during REM sleep [Dewasmes et al, 1985]. As a result, rather than dropping in a free fall, the head droops in a slow and controlled manner when geese enter REM sleep.…”
Section: Discussionmentioning
confidence: 99%
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“…However, in contrast with wakefulness, the bird has its eyes closed and muscle tone reaches its lowest level, often causing the head to drop [84]. Thermoregulatory behaviours, such as shivering, which can occur during SWS, are suppressed during REM sleep, in part due to the reduction in muscle tone [85].…”
Section: Rsfsroyalsocietypublishingorg Interface Focus 7: 20160082mentioning
confidence: 99%
“…A similar conflict between REM sleep and locomotor activity may have led to the large reduction or complete elimination of REM sleep in cetaceans (Mukhametov 1995). In birds, REM sleep is also associated with behavioral signs of reduced muscle tone, including gradual dropping of the head towards the ground, swaying in standing birds, and sliding of the wings off the side of the body (Dewasmes et al 1985;Rattenborg and Amlaner 2002). Even thermoregulatory behaviors such as panting and shivering stop during REM sleep in birds and mammals, in part due to the reduction in muscle tone (Heller et al 1983;Parmeggiani 2003).…”
Section: Rem Sleepmentioning
confidence: 99%