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Clonidine Has a Paradoxical Effect on Cyclic Arousal and Sleep Bruxism during NREM Sleep
2010
Sleep
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CAP is composed of electrocortical events that can be visually scored as patterns of sleep periods under arousal pressure during NREM. 16-18 CAP displays a 20-40 s cyclic pattern characterized by arousal-related ...
This study investigates the effect of clonidine on the cyclic alternating pattern (CAP) in order to explore the role of cyclic arousal fluctuation in RMMA/SB. ...
Table 1 - 1 CAP variables during placebo and clonidine nights Data are presented as mean ± SEM. CAP refers to cyclic alternating pattern. ...
doi:10.1093/sleep/33.12.1711
pmid:21120152
pmcid:PMC2982742
fatcat:wwja5kpaebdpbmxbxmhofcq2am
Characterization of the autonomic system during the cyclic alternating pattern of sleep
2014
2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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Evaluation of the RR variability was carried out during the Cyclic Alternating Pattern (CAP) in sleep. ...
However, the relation of A-phases with other systems, such as cardiovascular system, is unclear and a deep analysis is required. ...
Characterization of the autonomic system during the cyclic alternating pattern of sleep The sleep stages (hypnogram) and CAP A-phases were scored by sleep experts according to EEG inspection [1, 5] . ...
doi:10.1109/embc.2014.6944452
pmid:25570820
dblp:conf/embc/Gonzalez-Salazar14
fatcat:em3or3ec2zdk5fs5o6uvetegri
Cyclic and Sleep-Like Spontaneous Alternations of Brain State Under Urethane Anaesthesia
2008
PLoS ONE
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Although the induction of behavioural unconsciousness during sleep and general anaesthesia has been shown to involve overlapping brain mechanisms, sleep involves cyclic fluctuations between different brain ...
The brain mechanisms of state alternations under urethane also closely overlapped those of natural sleep in their sensitivity to cholinergic pharmacological agents and dependence upon activity in the basal ...
Karim Fouad for the use of the infrared nociceptive apparatus.
Author Contributions ...
doi:10.1371/journal.pone.0002004
pmid:18414674
pmcid:PMC2289875
fatcat:xek5efawkjbarcijt6jrkquhgm
Atlas, rules, and recording techniques for the scoring of cyclic alternating pattern (CAP) in human sleep
2001
Sleep Medicine
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Definition of cyclic alternating pattern The cyclic alternating pattern (CAP) is a periodic EEG activity of non-REM sleep. ...
Fig. 1 . 1 An example of cyclic alternating pattern (CAP) in sleep stage 2. ...
doi:10.1016/s1389-9457(01)00149-6
pmid:14592270
fatcat:n34css6gjrcrdkvngwvvdbo6bi
Rapid Eye Movement Sleep: A Sleep-Dependent Process
1969
Science
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Extent of damage was assessed by projecting sections of tissue onto a reduced page of the DeGroot atlas that most closely corresponded to the actual section. ...
The perimeter of the lesion was then traced. In this way, the entire extent of damage could be mapped. ...
(1) reported that cyclic patterns of brain activity, similar to those that occur during sleep (2) , also continue during daytime wakefulness. ...
doi:10.1126/science.166.3904.530
pmid:4309630
fatcat:xvnhccuacjgvbclhwuozt5473u
A four-state Markov model of sleep-wakefulness dynamics along light/dark cycle in mice
2018
PLoS ONE
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Using statistical analysis of bout duration, Markov chains of sleep-WK dynamics and quantitative EEG analysis, we evaluated the influence of light/dark (LD) changes on brain function along the sleep-WK ...
regulation of long-WK (high gamma/theta) epochs during dark and light phases. ...
Acknowledgments This work was supported by a grant from the Spanish Ministry of Economy and Competitiveness (BUF2015-71078P to L.C.B and DPI2015-70415-C2-2-R to N.G.A). ...
doi:10.1371/journal.pone.0189931
pmid:29304108
pmcid:PMC5755762
fatcat:khpe7cwiajghfgac3kze5uuidm
Automatic Detection of the Cyclic Alternating Pattern of Sleep and Diagnosis of Sleep-Related Pathologies Based on Cardiopulmonary Resonance Indices
2022
Sensors
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In terms of the cyclic alternating pattern, the average recognition rate of A-phase reaches 84.7% on the CAP Sleep Database of 108 cases of people. ...
The cyclic alternating pattern is the periodic electroencephalogram activity occurring during non-rapid eye movement sleep. ...
Acknowledgments: The authors would like to thank the doctors of China-Japan Friendship Hospital for their carefully interpretation. ...
doi:10.3390/s22062225
pmid:35336396
pmcid:PMC8952285
fatcat:nxvdwtboejayndk3apcivcfyqa
Two-Process Model of Sleep
2014
Indian Journal of Sleep Medicine
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The evolution of knowledge about these and the clinical applications of this view about sleep regulationhave been discussed in this review. ...
in the form of mathematical models interweaving homeostatic, circadian,and ultradian processes. ...
The reciprocal interaction models attempt to explain the cyclic alternation of non-REM sleep and REM sleep. ...
doi:10.5958/0974-0155.2014.01108.5
fatcat:nwnczzt5d5bivndksoalyn5f4i
An Electrocardiogram-Based Technique to Assess Cardiopulmonary Coupling During Sleep
2005
Sleep
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The 2 distinct (bimodal) regimes demonstrate a closer relationship with visual cyclic alternating pattern and non-cyclic alternating pattern states than with standard sleep stages. ...
, as well as to the cyclic alternating pattern classification. ...
ACKNOWLEDGEMENTS This work is supported by the NIH/NCRR P41RR13622, the G. Harold and Leila Y. Mathers Foundation, the James S. Mc-Donnell Foundation, and NIH/NIA P60 AG08812. ...
doi:10.1093/sleep/28.9.1151
pmid:16268385
fatcat:t2nyfet3rbditgdcu3cmbk4yey
Heart rate and respiratory rhythm dynamics on ascent to high altitude
1995
Heart
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Simultaneous heart rate and respiratory dynamics during 2-5 hours of sleep by fast Fourier transform analysis of beat to beat heart rate and of an electrocardiographically derived respiration signal. ...
Objective-To investigate the alterations in autonomic control of heart rate at high altitude and to test the hypothesis that hypoxaemic stress during exposure to high altitude induces non-linear, periodic ...
A few previous investigators have commented on cyclical variations in heart rate during sleep at actual13 and simulated'6 17 high altitude. ...
doi:10.1136/hrt.74.4.390
pmid:7488453
pmcid:PMC484045
fatcat:e32jkkcuyzcalfdmg2hnmfs5aa
The Need for Antiepileptic Drug Chronotherapy to Treat Selected Childhood Epilepsy Syndromes and Avert the Harmful Consequences of Drug Resistance
2017
Journal of Central Nervous System Disease
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of normal day/night fluctuations of glucose peaks. 24 In cancer treatment, cisplatin chronochemotherapy administered during a normally low circadian phase of NER activity can destroy more cancer cells ...
Utility of Differential Dosing in Focal and Generalized Cyclic Epilepsy The focal seizures of ADNFLE follow a cyclic pattern of seizure exacerbation in sleep and remission in waking. ...
doi:10.1177/1179573516685883
pmid:29308021
pmcid:PMC5751908
fatcat:2w3matqthzcivhey6zvugifpx4
Technical advances in the characterization of the complexity of sleep and sleep disorders
2013
Progress in Neuro-psychopharmacology and Biological Psychiatry
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However, the complexity of sleep physiology has inspired alternative metrics that are providing additional insights into the rich dynamics of sleep. ...
We review here the spectrum of approaches that have been leveraged towards improved understanding of the complexity of sleep. ...
The clustering coefficient increased during NREM sleep in frequencies below 15Hz, and this finding was more prominent during periods of cyclic alternating pattern Thomas, 2004, Terzano and Parrino, 2000 ...
doi:10.1016/j.pnpbp.2012.09.017
pmid:23174482
pmcid:PMC3631575
fatcat:2irt42pudnckdat6xkcury6yyy
Attractor competition enriches cortical dynamics during awakening from anesthesia
[article]
2019
bioRxiv
pre-print
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This stage is followed by the abrupt onset of an infra-slow (~0.2 Hz) alternation between sleep-like oscillations and activated states. ...
Cortical slow oscillations (≤1 Hz) are a hallmark of slow-wave sleep and deep anesthesia across animal species. ...
Acknowledgments This work was financially supported by the Spanish Ministry of science BFU2017-85048-R and by CERCA Programme / Generalitat de Catalunya, and by the EU Horizon 2020 Research and Innovation ...
doi:10.1101/517102
fatcat:yqob3cz3czdgrenmjm2aamzaae
Autonomic Modulation of Heart Rate during Obstructive versus Central Apneas in Patients with Sleep-disordered Breathing
2003
American Journal of Respiratory and Critical Care Medicine
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Sleep-disordered breathing is associated with an altered sympatho-an increase in the negative intrathoracic pressure and in the vagal balance determined by the nocturnal cyclic alternating of afferents ...
These different Wigner-Ville transform spectral analysis we described, in 17 pamechanisms may therefore produce different patterns of autients, the time course of the low-frequency (LF) and the hightonomic ...
Limitations of the Study
References The reliability of the spectral analysis techniques in quantifying ...
doi:10.1164/rccm.200201-006oc
pmid:12505858
fatcat:5hvn2scluvhftllwpyqqdiobci
Heart rate dynamics and cardiorespiratory coordination in diabetic and breast cancer patients
2001
Clinical Physiology
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with a predominance of cyclically recurrent phase locking patterns unveiled a clear transition from higher to lower cardiorespiratory coordination ratios and to a loss of coordination capability in metastasized ...
During night sleep, all parameters showed a tendency towards lower variability, complexity, or rhythmicity of HRV in cancer patients. ...
Acknowledgements H.B. acknowledges financial support from the Weleda AG, Schwäbisch Gmünd, Germany. M.K. acknowledges financial support from the Humanus-Institut e.V., Öschelbronn, Germany. ...
doi:10.1046/j.1365-2281.2001.00342.x
pmid:11442574
fatcat:x2gmdcbdcvhcjbsrtn3tzpalw4
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