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Sleep disorders and cognitive

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https://www.readbyqxmd.com/read/28550021/effects-of-continuous-positive-airway-pressure-on-neurocognitive-architecture-and-function-in-patients-with-obstructive-sleep-apnoea-study-protocol-for-a-multicentre-randomised-controlled-trial
#1
Huajun Xu, Hui Wang, Jian Guan, Hongliang Yi, Yingjun Qian, Jianyin Zou, Yunyan Xia, Yiqun Fu, Xinyi Li, Xiao Jiao, Hengye Huang, Pin Dong, Ziwei Yu, Jun Yang, Mingliang Xiang, Jiping Li, Yanqing Chen, Peihua Wang, Yizhou Sun, Yuehua Li, Xiaojian Zheng, Wei Jia, Shankai Yin
OBJECTIVES: Many clinical studies have indicated that obstructive sleep apnoea (OSA), the most common chronic sleep disorder, may affect neurocognitive function, and that treatment for continuous positive airway pressure (CPAP) has some neurocognitive protective effects against the adverse effects of OSA. However, the effects of CPAP treatment on neurocognitive architecture and function remain unclear. Therefore, this multicentre trial was designed to investigate whether and when neurocognitive architecture and function in patients with OSA can be improved by CPAP treatment and to explore the role of gut microbiota in improving neurocognitive function during treatment...
May 25, 2017: BMJ Open
https://www.readbyqxmd.com/read/28549713/childhood-opsoclonus-myoclonus-syndrome-a-case-series-from-tunisia
#2
Nedia Ben Achour, Saloua Mrabet, Ibtihel Rebai, Ines Abid, Hanene Benrhouma, Hedia Klaa, Aida Rouissi, Ichraf Kraoua, Ilhem Ben Youssef Turki
INTRODUCTION: Opsoclonus myoclonus syndrome (OMS) is a rare immune-mediated disorder characterized by opsoclonus, myoclonus, ataxia and behavioral changes. The aim of our study was to investigate the epidemiology, clinical features, etiological aspects and outcome of OMS in Tunisian children. METHODS: We conducted a retrospective study over 11years (2005-2016) including all patients aged under 18years who were managed for newly diagnosed OMS in a tertiary care research centre for children with neurological symptoms...
May 23, 2017: Brain & Development
https://www.readbyqxmd.com/read/28549077/clinical-criteria-for-subtyping-parkinson-s-disease-biomarkers-and-longitudinal-progression
#3
Seyed-Mohammad Fereshtehnejad, Yashar Zeighami, Alain Dagher, Ronald B Postuma
Parkinson's disease varies widely in clinical manifestations, course of progression and biomarker profiles from person to person. Identification of distinct Parkinson's disease subtypes is of great priority to illuminate underlying pathophysiology, predict progression and develop more efficient personalized care approaches. There is currently no clear way to define and divide subtypes in Parkinson's disease. Using data from the Parkinson's Progression Markers Initiative, we aimed to identify distinct subgroups via cluster analysis of a comprehensive dataset at baseline (i...
May 25, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28545363/sleep-wake-patterns-and-cognition-of-older-adults-with-amnestic-mild-cognitive-impairment-amci-a-comparison-with-cognitively-healthy-adults-and-moderate-alzheimer-s-disease-patients
#4
Emma J Wams, Gordon K Wilcock, Russell G Foster, Katharina Wulff
Age-related cognitive impairment and the prevalence of neurodegenerative disease contribute to decreasing quality of life in affected individuals and their families as well as demand considerable societal responsibility. Sleep supports overall brain activity and contributes to both physical and mental health. As a result sleep is an attractive target for exploring ways to promote health in accelerated cognitive aging. The aims of this study were to characterise cognitive performance and sleep-wake behaviour in older adults with different degrees of cognitive impairment...
May 22, 2017: Current Alzheimer Research
https://www.readbyqxmd.com/read/28536367/a-brief-review-of-the-pharmacology-of-amitriptyline-and-clinical-outcomes-in-treating-fibromyalgia
#5
REVIEW
Kim Lawson
Fibromyalgia is a complex chronic condition characterized by pain, physical fatigue, sleep disorder and cognitive impairment. Evidence-based guidelines recommend antidepressants as treatments of fibromyalgia where tricyclics are often considered to have the greatest efficacy, with amitriptyline often being a first-line treatment. Amitriptyline evokes a preferential reduction in pain and fatigue of fibromyalgia, and in the Fibromyalgia Impact Questionnaire (FIQ) score, which is a quality of life assessment. The multimodal profile of the mechanisms of action of amitriptyline include monoamine reuptake inhibition, receptor modulation and ion channel modulation...
May 17, 2017: Biomedicines
https://www.readbyqxmd.com/read/28526620/evidence-for-cortical-structural-plasticity-in-humans-after-a-day-of-waking-and-sleep-deprivation
#6
Torbjørn Elvsåshagen, Nathalia Zak, Linn B Norbom, Per Ø Pedersen, Sophia H Quraishi, Atle Bjørnerud, Dag Alnæs, Nhat Trung Doan, Ulrik F Malt, Inge R Groote, Lars T Westlye
Sleep is an evolutionarily conserved process required for human health and functioning. Insufficient sleep causes impairments across cognitive domains, and sleep deprivation can have rapid antidepressive effects in mood disorders. However, the neurobiological effects of waking and sleep are not well understood. Recently, animal studies indicated that waking and sleep are associated with substantial cortical structural plasticity. Here, we hypothesized that structural plasticity can be observed after a day of waking and sleep deprivation in the human cerebral cortex...
May 17, 2017: NeuroImage
https://www.readbyqxmd.com/read/28522088/frequency-of-snoring-rather-than-apnea-hypopnea-index-predicts-both-cognitive-and-behavioral-problems-in-young-children
#7
Dale L Smith, David Gozal, Scott J Hunter, Leila Kheirandish-Gozal
OBJECTIVE: Primary snoring (PS) and obstructive sleep apnea (OSA) not only affect the quality of sleep in a large number of young children, but have also been repeatedly associated with a variety of behavioral and cognitive problems. However, little is known about the potentially differing relationships of behavioral and cognitive pathology within the sleep disordered breathing (SDB) spectrum. METHOD: This study examined data from an enriched for snoring community sample of 631 children aged between 4 and 10 years...
June 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28516474/relationship-between-pain-and-motor-and-non-motor-symptoms-in-parkinson-s-disease
#8
G Defazio, A Antonini, M Tinazzi, A F Gigante, S Pietracupa, R Pellicciari, M Bloise, R Bacchin, A Marcante, G Fabbrini, A Berardelli
BACKGROUND AND PURPOSE: Although female gender, depressive symptoms and medical conditions predisposing to pain are more common in patients with Parkinson's disease (PD) with pain, no study has yet explored the relationship between pain and other non-motor symptoms (NMS). METHODS: A total of 321 consecutive patients with PD [190 men/131 women aged 68.3 (SD 9.2) years] attending four Italian movement disorder clinics were studied. Demographic/clinical data were obtained by a standardized interview and the NMS scale...
May 18, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28514706/evaluation-of-behavioral-change-after-adenotonsillectomy-for-obstructive-sleep-apnea-in-children-with-autism-spectrum-disorder
#9
Emi Murata, Ikuko Mohri, Kumi Kato-Nishimura, Jiro Iimura, Makoto Ogawa, Masaya Tachibana, Yuko Ohno, Masako Taniike
BACKGROUND AND OBJECTIVE: Obstructive sleep apnea (OSA) may affect daily cognitive functioning in children. The aims of our study were two-fold. The first aim was to detect, using the Child Behavior Checklist (CBCL), whether adenotonsillectomy (AT) for the treatment of OSA improved the behavior of children with autism spectrum disorder (ASD). The second aim was to identify characteristics for behavioral improvement following the treatment of OSA in these children with ASD. METHODS: The behaviors of ASD children aged 5-14 years diagnosed as having OSA (n=30) were evaluated using CBCL before and after AT...
May 14, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28513079/rem-sleep-behavior-disorder-in-parkinson-s-disease-and-other-synucleinopathies
#10
REVIEW
Erik K St Louis, Angelica R Boeve, Bradley F Boeve
Rapid eye movement sleep behavior disorder is characterized by dream enactment and complex motor behaviors during rapid eye movement sleep and rapid eye movement sleep atonia loss (rapid eye movement sleep without atonia) during polysomnography. Rapid eye movement sleep behavior disorder may be idiopathic or symptomatic and in both settings is highly associated with synucleinopathy neurodegeneration, especially Parkinson's disease, dementia with Lewy bodies, multiple system atrophy, and pure autonomic failure...
May 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28507260/reprogramming-cells-from-gulf-war-veterans-into-neurons-to-study-gulf-war-illness
#11
Liang Qiang, Anand N Rao, Gustavo Mostoslavsky, Marianne F James, Nicole Comfort, Kimberly Sullivan, Peter W Baas
Gulf War illness (GWI), which afflicts at least 25% of veterans who served in the 1990-1991 war in the Persian Gulf, is thought to be caused by deployment exposures to various neurotoxicants, including pesticides, anti-nerve gas pills, and low-level nerve agents including sarin/cyclosarin. GWI is a multisymptom disorder characterized by fatigue, joint pain, cognitive problems, and gastrointestinal complaints. The most prominent symptoms of GWI (memory problems, poor attention/concentration, chronic headaches, mood alterations, and impaired sleep) suggest that the disease primarily affects the CNS...
May 16, 2017: Neurology
https://www.readbyqxmd.com/read/28506292/normobaric-hypoxia-overnight-impairs-cognitive-reaction-time
#12
Stephan Pramsohler, Stefan Wimmer, Martin Kopp, Hannes Gatterer, Martin Faulhaber, Martin Burtscher, Nikolaus Cristoph Netzer
BACKGROUND: Impaired reaction time in patients suffering from hypoxia during sleep, caused by sleep breathing disorders, is a well-described phenomenon. High altitude sleep is known to induce periodic breathing with central apneas and oxygen desaturations, even in perfectly healthy subjects. However, deficits in reaction time in mountaineers or workers after just some nights of hypoxia exposure are not sufficiently explored. Therefore, we aimed to investigate the impact of sleep in a normobaric hypoxic environment on reaction time divided by its cognitive and motoric components...
May 15, 2017: BMC Neuroscience
https://www.readbyqxmd.com/read/28489334/diagnosis-of-copan-by-whole-exome-sequencing-waking-up-a-sleeping-tiger-s-eye
#13
Christina Evers, Angelika Seitz, Birgit Assmann, Thomas Opladen, Stephanie Karch, Katrin Hinderhofer, Martin Granzow, Nagarajan Paramasivam, Roland Eils, Nicolle Diessl, Claus R Bartram, Ute Moog
Neurodegeneration with brain iron accumulation (NBIA) is a group of neurodegenerative disorders characterized by iron accumulation in the basal ganglia. Recently, mutations in CoA synthase (COASY) have been identified as a cause of a novel NBIA subtype (COASY Protein-Associated Neurodegeneration, CoPAN) in two patients with dystonic paraparesis, parkinsonian features, cognitive impairment, behavior abnormalities, and axonal neuropathy. COASY encodes an enzyme required for Coenzyme A (CoA) biosynthesis. Using whole exome sequencing (WES) we identified compound heterozygous COASY mutations in two siblings with intellectual disability, ataxic gait, progressive spasticity, and obsessive-compulsive behavior...
May 10, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28485729/altered-expression-of-histamine-signaling-genes-in-autism-spectrum-disorder
#14
C Wright, J H Shin, A Rajpurohit, A Deep-Soboslay, L Collado-Torres, N J Brandon, T M Hyde, J E Kleinman, A E Jaffe, A J Cross, D R Weinberger
The histaminergic system (HS) has a critical role in cognition, sleep and other behaviors. Although not well studied in autism spectrum disorder (ASD), the HS is implicated in many neurological disorders, some of which share comorbidity with ASD, including Tourette syndrome (TS). Preliminary studies suggest that antagonism of histamine receptors 1-3 reduces symptoms and specific behaviors in ASD patients and relevant animal models. In addition, the HS mediates neuroinflammation, which may be heightened in ASD...
May 9, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28484661/cognitive-function-characteristics-of-parkinson-s-disease-with-sleep-disorders
#15
Jing Huang, Wenyan Zhuo, Yuhu Zhang, Hongchun Sun, Huan Chen, Peipei Zhu, Xiaobo Pan, Jianhao Yang, Lijuan Wang
Objective. The aim of this study was to investigate the cognitive function characteristics of Parkinson's disease (PD) with sleep disorders. Methods. Consecutive patients with PD (n = 96), patients with primary sleep disorders (n = 76), and healthy control subjects (n = 66) were assessed. The patients with PD were classified into sleep disorder (PD-SD) and non-sleep disorder (PD-NSD) groups. Results. Among 96 patients with PD, 69 were diagnosed with a sleep disorder. There were 38 sleep disorder cases, 31 RBD cases, and 27 NSD cases...
2017: Parkinson's Disease
https://www.readbyqxmd.com/read/28484405/management-of-chronic-tinnitus-and-insomnia-with-repetitive-transcranial-magnetic-stimulation-and-cognitive-behavioral-therapy-a-combined-approach
#16
Kneginja Richter, Jens Acker, Lence Miloseva, Lukas Peter, Günter Niklewski
It has been estimated that up to 80% of people will experience symptoms of tinnitus over the courses of their lives, with rates of comorbid sleeping problems ranging from 50 to 77%. Because of a potential connection between tinnitus and sleep disorders as well as high rates of comorbid psychiatric disorders, interdisciplinary approaches to treatment seem to be the most efficient option. In this study, we present the case of a 53-year-old male patient, who started to experience symptoms of tinnitus at the age of 49, most likely caused by work-related stress...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28483271/-mindful-neuropsychology-mindfulness-based-cognitive-remediation
#17
E Bulzacka, S Lavault, A Pelissolo, C Bagnis Isnard
OBJECTIVES: Mindfulness based interventions (MBI) have recently gained much interest in western medicine. MBSR paradigm is based on teaching participants to pay complete attention to the present experience and act nonjudgmentally towards stressful events. During this mental practice the meditator focuses his or her attention on the sensations of the body. While the distractions (mental images, thoughts, emotional or somatic states) arise the participant is taught to acknowledge discursive thoughts and cultivate the state of awareness without immediate reaction...
May 5, 2017: L'Encéphale
https://www.readbyqxmd.com/read/28482100/apoe-genotype-and-non-respiratory-sleep-parameters-in-cognitively-intact-older-adults
#18
Adam P Spira, Yang An, Yu Peng, Mark N Wu, Eleanor M Simonsick, Luigi Ferrucci, Susan M Resnick
Study Objectives: The apolipoprotein E (APOE) Ɛ4 allele increases Alzheimer's disease (AD) risk and has been linked to a greater risk of sleep-disordered breathing. We investigated the association of APOE genotype with non-respiratory sleep parameters. Methods: We studied 1,264 cognitively normal participants in the Baltimore Longitudinal Study of Aging (mean = 57.5±16.1 years, range 19.9-92.0, 48.2% women, 19.8% African American) with APOE genotyping and self-reported sleep duration (≥9, 7 or 8, ≤6 hours), difficulty falling/staying asleep, and napping...
May 6, 2017: Sleep
https://www.readbyqxmd.com/read/28479324/theta-oscillations-during-active-sleep-synchronize-the-developing-rubro-hippocampal-sensorimotor-network
#19
Carlos Del Rio-Bermudez, Jangjin Kim, Greta Sokoloff, Mark S Blumberg
Neuronal oscillations comprise a fundamental mechanism by which distant neural structures establish and express functional connectivity. Long-range functional connectivity between the hippocampus and other forebrain structures is enabled by theta oscillations. Here, we show for the first time that the infant rat red nucleus (RN)-a brainstem sensorimotor structure-exhibits theta (4-7 Hz) oscillations restricted primarily to periods of active (REM) sleep. At postnatal day 8 (P8), theta is expressed as brief bursts immediately following myoclonic twitches; by P12, theta oscillations are expressed continuously across bouts of active sleep...
May 22, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28476288/adverse-events-associated-with-unblinded-but-not-with-blinded-statin-therapy-in-the-anglo-scandinavian-cardiac-outcomes-trial-lipid-lowering-arm-ascot-lla-a-randomised-double-blind-placebo-controlled-trial-and-its-non-randomised-non-blind-extension-phase
#20
Ajay Gupta, David Thompson, Andrew Whitehouse, Tim Collier, Bjorn Dahlof, Neil Poulter, Rory Collins, Peter Sever
BACKGROUND: In blinded randomised controlled trials, statin therapy has been associated with few adverse events (AEs). By contrast, in observational studies, larger increases in many different AEs have been reported than in blinded trials. METHODS: In the Lipid-Lowering Arm of the Anglo-Scandinavian Cardiac Outcomes Trial, patients aged 40-79 years with hypertension, at least three other cardiovascular risk factors, and fasting total cholesterol concentrations of 6·5 mmol/L or lower, and who were not taking a statin or fibrate, had no history of myocardial infarction, and were not being treated for angina were randomly assigned to atorvastatin 10 mg daily or matching placebo in a randomised double-blind placebo-controlled phase...
May 2, 2017: Lancet
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