Quantitative analysis of short term deprivation and recovery of desynchronized sleep in cats

Electroencephalography and Clinical Neurophysiology
P L ParmeggianiE Perez

Abstract

A quantitative analysis of desynchronized sleep (DS) deprivation (exposure to low ambient temperature) and recovery was carried out in unrestrained cats. The results show that: (1) the circadian obligate quota of DS is precisely regulated by a control mechanism paying by the 24th h the DS debt induced by up to 14 h of total DS deprivation, if recovery occurs during the rest phase of circadian photoperiodicity (CP); (2) during static rebound DS hourly duration is increased by 40 +/- 4 sec/h of total deprivation (mean and S.E.) and there is a statistically significant increase in the hourly frequency and in the duration of DS episodes, with respect to control values; (3) the hourly obligate and facultative quotas of DS amount to 409 +/- 82 and 229 +/- 140 sec/h (mean and S.D.), respectively. (4) preoptic heating during deprivation at low ambient temperature decreases the DS static rebound during recovery at control ambient temperature by an amount corresponding to the cumulative duration of DS episodes elicited by the preoptic treatment; (5) preoptic temperature decreases the more markedly the shorter the duration of exposure to low ambient temperature and regains control values the sooner the smaller the DS debt incurred during ...Continue Reading

References

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Citations

Dec 15, 1982·Experientia·P L Parmeggiani
May 23, 1983·Brain Research·M SallanonM Jouvet
Mar 5, 1990·Behavioural Brain Research·I Tobler, R Scherschlicht
May 2, 1998·Brain Research·R AmiciP L Parmeggiani
Dec 19, 2000·Neuroscience and Biobehavioral Reviews·J A Horne
Jun 1, 1997·Brain Research. Molecular Brain Research·M PompeianoG Tononi
Jun 1, 1995·Journal of Sleep Research·C CirelliG Tononi
Oct 3, 2012·PloS One·Davide MartelliRoberto Amici
Jun 4, 2005·The Journals of Gerontology. Series A, Biological Sciences and Medical Sciences·Emilie SimoneauJacques Van Hoecke
Mar 9, 2000·Neuron·J C HendricksA I Pack
Apr 20, 2016·Sleep·Javiera Castro-FaúndezAdrián Ocampo-Garcés
Sep 9, 2017·Frontiers in Physiology·Matteo CerriRoberto Amici
Nov 9, 2000·Journal of Neurophysiology·A Ocampo-GarcésE A Vivaldi

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