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Clonidine Has a Paradoxical Effect on Cyclic Arousal and Sleep Bruxism during NREM Sleep

Maria Clotilde Carra, Guido M. Macaluso, Pierre H. Rompré, Nelly Huynh, Liborio Parrino, Mario Giovanni Terzano, Gilles J. Lavigne
2010 Sleep  
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

J. S. Gonzalez-Salazar, A. Alba, M. O. Mendez, J. M. Luna-Rivera, L. Parrino, A. Grassi, M. Terzano, G. Milioli
2014 2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society  
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

Elizabeth A. Clement, Alby Richard, Megan Thwaites, Jonathan Ailon, Steven Peters, Clayton T. Dickson, Ernest Greene
2008 PLoS ONE  
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

Mario Giovanni Terzano, Liborio Parrino, Adriano Sherieri, Ronald Chervin, Sudhansu Chokroverty, Christian Guilleminault, Max Hirshkowitz, Mark Mahowald, Harvey Moldofsky, Agostino Rosa, Robert Thomas, Arthur Walters
2001 Sleep Medicine  
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

R. J. Berger
1969 Science  
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

Leonel Perez-Atencio, Nicolas Garcia-Aracil, Eduardo Fernandez, Luis C. Barrio, Juan A. Barios, Gennady Cymbalyuk
2018 PLoS ONE  
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

Jiajia Cui, Zhipei Huang, Jiankang Wu
2022 Sensors  
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

Garima Shukla, Deepti Vibha
2014 Indian Journal of Sleep Medicine  
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

Robert Joseph Thomas, Joseph E. Mietus, Chung-Kang Peng, Ary L. Goldberger
2005 Sleep  
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

L. A. Lipsitz, F. Hashimoto, L. P. Lubowsky, J. Mietus, G. B. Moody, O. Appenzeller, A. L. Goldberger
1995 Heart  
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

Sheryl Manganaro, Tobias Loddenkemper, Alexander Rotenberg
2017 Journal of Central Nervous System Disease  
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

Matt T. Bianchi, Robert J. Thomas
2013 Progress in Neuro-psychopharmacology and Biological Psychiatry  
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]

Núria Tort-Colet, Cristiano Capone, Maria V. Sanchez-Vives, Maurizio Mattia
2019 bioRxiv   pre-print
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

Lucia Spicuzza, Luciano Bernardi, Alessandro Calciati, Giuseppe Ugo Di Maria
2003 American Journal of Respiratory and Critical Care Medicine  
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

H. Bettermann, M. Kroz, M. Girke, C. Heckmann
2001 Clinical Physiology  
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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