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Sleep disorders and cognitive

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https://www.readbyqxmd.com/read/28346159/using-actigraphy-feedback-to-improve-sleep-in-soldiers-an-exploratory-trial
#1
Amy B Adler, Brian C Gunia, Paul D Bliese, Paul Y Kim, Matthew L LoPresti
OBJECTIVES: The objective of this study was to assess the impact of wearing an actigraph and receiving personalized feedback on the sleep of a high-risk occupational group: United States soldiers recently returned from a combat deployment. DESIGN: Following a baseline survey with a full sample, a subsample of soldiers wore an actigraph, received feedback, and completed a brief survey. Two months later, the full sample completed a follow-up survey. The actigraph intervention involved wearing an actigraph for 3 weeks and then receiving a personalized report about sleep patterns and an algorithm-based estimate of cognitive functioning derived from individual sleep patterns...
April 2017: Sleep Health
https://www.readbyqxmd.com/read/28344075/functional-reorganization-in-obstructive-sleep-apnoea-and-insomnia-a-systematic-review-of-the-resting-state-fmri
#2
REVIEW
Habibolah Khazaie, Mattia Veronese, Khadijeh Noori, Farnoosh Emamian, Mojtaba Zarei, Keyoumars Ashkan, Guy D Leschziner, Claudia R Eickhoff, Simon B Eickhoff, Mary J Morrell, Ricardo S Osorio, Kai Spiegelhalder, Masoud Tahmasian, Ivana Rosenzweig
Functional neuroimaging techniques have accelerated progress in the study of sleep disorders. Considering the striking prevalence of these disorders in the general population, however, as well as their strong bidirectional relationship with major neuropsychiatric disorders, including major depressive disorder, their numbers are still surprisingly low. This review examines the contribution of resting state functional MRI to current understanding of two major sleep disorders, insomnia disorder and obstructive sleep apnoea...
March 23, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28344067/upregulation-of-orexin-hypocretin-expression-in-aged-rats-effects-on-feeding-latency-and-neurotransmission-in-the-insular-cortex
#3
Janel M Hagar, Victoria A Macht, Steven P Wilson, James R Fadel
Aging is associated with changes in numerous homeostatic functions, such as food intake, that are thought to be mediated by the hypothalamus. Orexin/hypocretin neurons of the hypothalamus regulate several physiological functions, including feeding, sleep and wakefulness. Evidence from both clinical and animal studies supports the notion that aging is associated with loss or dysregulation of the orexin system. Here, we used virus-mediated gene transfer to manipulate expression of orexin peptides in young and aged rats and examined behavioral and neurochemical correlates of food intake in these animals...
March 23, 2017: Neuroscience
https://www.readbyqxmd.com/read/28338644/clinical-hypnosis-an-effective-mind-body-modality-for-adolescents-with-behavioral-and-physical-complaints
#4
REVIEW
Anju Sawni, Cora Collette Breuner
Mind-body medicine is a system of health practices that includes meditation/relaxation training, guided imagery, hypnosis, biofeedback, yoga, art/music therapy, prayer, t'ai chi, and psychological therapies such as cognitive behavioral therapy. Clinical hypnosis is an important mind-body tool that serves as an adjunct to conventional medical care for the adolescent patient. Clinical hypnosis specifically uses self-directed therapeutic suggestions to cultivate the imagination and facilitate the mind-body connection, leading to positive emotional and physical well-being...
March 24, 2017: Children
https://www.readbyqxmd.com/read/28335000/better-than-sham-a-double-blind-placebo-controlled-neurofeedback-study-in-primary-insomnia
#5
Manuel Schabus, Hermann Griessenberger, Maria-Teresa Gnjezda, Dominik P J Heib, Malgorzata Wislowska, Kerstin Hoedlmoser
Neurofeedback training builds upon the simple concept of instrumental conditioning, i.e. behaviour that is rewarded is more likely to reoccur, an effect Thorndike referred to as the 'law of effect'. In the case of neurofeedback, information about specific electroencephalographic activity is fed back to the participant who is rewarded whenever the desired electroencephalography pattern is generated. If some kind of hyperarousal needs to be addressed, the neurofeedback community considers sensorimotor rhythm neurofeedback as the gold standard...
February 23, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28334382/concussion-like-symptom-reporting-in-non-concussed-collegiate-athletes
#6
Breton M Asken, Aliyah R Snyder, James R Clugston, Leslie S Gaynor, Molly J Sullan, Russell M Bauer
Objective: Non-concussed individuals may report a variety of concussion-like symptoms even in the absence of a diagnosed brain injury. Previous studies described concussion-like symptom reporting in adolescent athletes. This study provides complementary data on concussion-like symptoms in collegiate athletes. Methods: We analyzed baseline symptom scales from 738 collegiate athletes (452 men and 286 women) who completed either the Sport Concussion Assessment Tool, 3 Symptom Evaluation (S3SE; n = 377) or the Post-Concussion Scale (PCS; n = 361) and determined if subjects met criteria for diagnosis of International Classification of Diseases 10th Revision (ICD-10) postconcussional syndrome...
March 10, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28332861/treatment-of-nightmares-in-psychiatric-inpatients-with-imagery-rehearsal-therapy-an-open-trial-and-case-series
#7
Thomas E Ellis, Katrina A Rufino, Michael R Nadorff
OBJECTIVES: This study sought to assess the utility of Imagery Rehearsal Therapy (IRT) for nightmares in an inpatient psychiatric setting. Although IRT enjoys a substantial evidence base for efficacy in various populations, data with psychiatric inpatients are lacking. PARTICIPANTS: Participants were 20 adult psychiatric inpatients (11 male, 9 female; mean age=43.4), in an extended stay psychiatric inpatient facility. All participants were diagnosed with multiple, treatment resistant, comorbid conditions, including mood disorders, anxiety disorders, personality disorders, and substance-related disorders...
March 23, 2017: Behavioral Sleep Medicine
https://www.readbyqxmd.com/read/28332858/modified-cognitive-behavioral-therapy-for-insomnia-in-depressed-adolescents-a-pilot-study
#8
Deirdre A Conroy, Alison M Czopp, Dawn M Dore-Stites, Richard R Dopp, Roseanne Armitage, Timothy F Hoban, J Todd Arnedt
OBJECTIVE/BACKGROUND: The purpose of the study was to pilot a five-week insomnia treatment in adolescents with major depressive disorder (MDD) and insomnia. This was an open-label trial of a modified-group cognitive behavioral therapy for insomnia (CBTI). PARTICIPANTS: Adolescents with MDD (n = 16; mean age = 17.3 +/- 1.7), characterized by the Children's Depression Rating Scale-Revised T-score ≥ 55 and insomnia, characterized by > 30 min to fall or return to sleep and an Insomnia Severity Index (ISI) score of ≥ 7 participated...
March 23, 2017: Behavioral Sleep Medicine
https://www.readbyqxmd.com/read/28331743/psychiatric-symptoms-and-psychosocial-problems-in-patients-with-breast-cancer
#9
REVIEW
Filiz İzci, Ahmet Serkan İlgün, Ebru Fındıklı, Vahit Özmen
Cancer is a physical disease and also one of the leading clinical manifestations where psychosocial problems are prevalent. Psychosocial problems that these patients may have in the long run include anxiety, uneasiness, mourning, helplessness, fatigue, impairment of concentration, sleep disorders, mental and cognitive reservation, sexual dysfunction, infertility, psychological distress, and psychiatric disorders. Psychosocial problems have a nature of underpinning the emergence of psychological troubles. The prevalence of psychological disorders in patients with cancer range from 29% to 47%...
July 2016: J Breast Health (2013)
https://www.readbyqxmd.com/read/28329084/obstructive-sleep-apnea-is-associated-with-early-but-possibly-modifiable-alzheimer-s-disease-changes
#10
Claudio Liguori, Nicola Biagio Mercuri, Francesca Izzi, Andrea Romigi, Alberto Cordella, Giuseppe Sancesario, Fabio Placidi
Study Objectives: Obstructive sleep apnea (OSA) is a common sleep disorder. Actually, literature lacks studies examining sleep, cognition, and Alzheimer's Disease (AD) cerebrospinal-fluid biomarkers in OSA patients. Therefore, we firstly studied cognitive performances, polysomnographic sleep, and CSF β-amyloid, tau proteins and lactate levels in patients affected by subjective cognitive impairment (SCI) divided in three groups: OSA patients (showing an Apnea-Hypopnea Index - AHI ≥15/h), controls (showing an AHI<15/h), and patients treating OSA by continuous positive airway pressure (CPAP)...
January 28, 2017: Sleep
https://www.readbyqxmd.com/read/28328536/neurotransmission-systems-in-parkinson-s-disease
#11
Hossein Sanjari Moghaddam, Ameneh Zare-Shahabadi, Farzaneh Rahmani, Nima Rezaei
Parkinson's disease (PD) is histologically characterized by the accumulation of α-synuclein particles, known as Lewy bodies. The second most common neurodegenerative disorder, PD is widely known because of the typical motor manifestations of active tremor, rigidity, and postural instability, while several prodromal non-motor symptoms including REM sleep behavior disorders, depression, autonomic disturbances, and cognitive decline are being more extensively recognized. Motor symptoms most commonly arise from synucleinopathy of nigrostriatal pathway...
March 22, 2017: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/28325149/low-dose-naltrexone-in-the-treatment-of-fibromyalgia
#12
Samy K Metyas, Karen Yeter, John Solyman, Daniel Arkfeld
Fibromyalgia is a chronic pain disorder characterized by diffuse musculoskeletal pain, fatigue, sleep disturbance and cognitive impairment. A significant number of fibromyalgia patients do not respond adequately to the current drugs (pregabalin, milnacipran, duloxetine) approved for fibromyalgia treatment by the Food and Drug Administration (FDA). Thus, there is still a need for adjunctive therapies. Naltrexone is an opioid receptor antagonist used to treat alcohol and opioid dependence. It is hypothesized that low dose naltrexone causes transient blockade of opioid receptors centrally resulting in a rebound of endorphin function which may attenuate pain in fibromyalgia...
March 21, 2017: Current Rheumatology Reviews
https://www.readbyqxmd.com/read/28315846/risk-factors-for-early-psychosis-in-pd-insights-from-the-parkinson-s-progression-markers-initiative
#13
Dominic H Ffytche, Joana B Pereira, Clive Ballard, K Ray Chaudhuri, Daniel Weintraub, Dag Aarsland
BACKGROUND: Parkinson's Disease (PD) psychosis refers to the spectrum of illusions, formed hallucinations and delusions that occur in PD. Visual hallucinations and illusions are thought to be caused by specific cognitive and higher visual function deficits and patients who develop such symptoms early in the disease course have greater rates of cognitive decline and progression to dementia. To date, no studies have investigated whether such deficits are found prior to the onset of PD psychosis...
April 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28315845/icarus-study-prevalence-and-clinical-features-of-impulse-control-disorders-in-parkinson-s-disease
#14
Angelo Antonini, Paolo Barone, Ubaldo Bonuccelli, Karin Annoni, Mahnaz Asgharnejad, Paolo Stanzione
BACKGROUND: Impulse control disorders/other compulsive behaviours ('ICD behaviours') occur in Parkinson's disease (PD), but prospective studies are scarce, and prevalence and clinical characteristics of patients are insufficiently defined. OBJECTIVES: To assess the presence of ICD behaviours over a 2-year period, and evaluate patients' clinical characteristics. METHODS: A prospective, non-interventional, multicentre study (ICARUS (Impulse Control disorders And the association of neuRopsychiatric symptoms, cognition and qUality of life in ParkinSon disease); SP0990) in treated Italian PD outpatients...
April 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28306607/orexin-a-aggravates-the-impairment-of-hippocampal-neurons-caused-by-intermittent-hypoxemia-by-the-oxr-plc%C3%AE-1-erk1-2-pathway
#15
Guohua Li, Shi Tang, Heng Chi, Weiwei Huang, Shanshan Lu, Xin Lv, Xiaomin Liu, Yan Li, Yanpeng Wang, Jiyou Tang
Obstructive sleep apnea is a highly prevalent but under-recognized disorder that causes neurocognitive deficits such as spatial memory and learning deficits. These deficits are frequently accompanied by an increase in orexin-A, which has been shown to be involved in learning and memory as well as in neuronal apoptosis in brain areas involved in cognition, such as the hippocampus. The aim of this work was to study the possible harmful effects of orexin-A on intermittent hypoxemia-induced hippocampal neuronal damage and to investigate the potential underlying molecular mechanisms and signaling pathways in vitro...
March 16, 2017: Neuroreport
https://www.readbyqxmd.com/read/28304302/sleep-deprivation-induced-plasma-amyloid-%C3%AE-transport-disturbance-in-healthy-young-adults
#16
Meng Wei, Beiyu Zhao, Kang Huo, Yongning Deng, Suhang Shang, Jie Liu, Yanbo Li, Louyan Ma, Yu Jiang, Liangjun Dang, Chen Chen, Shan Wei, Juanli Zhang, Hailei Yang, Fan Gao, Qiumin Qu
BACKGROUND: Sleep is an important physiological process and beneficial in the removal of brain metabolites and functional recovery. Prior studies have shown that sleep disorders are significant risk factors for Alzheimer's disease (AD). OBJECTIVE: The present study was designed to characterize the effect of short-term total sleep deprivation (TSD) on plasma amyloid-β (Aβ) concentrations. METHODS: A clinical trial was conducted between March 1, 2016, and April 1, 2016...
March 18, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28303099/meet-spinky-an-open-source-spindle-and-k-complex-detection-toolbox-validated-on-the-open-access-montreal-archive-of-sleep-studies-mass
#17
Tarek Lajnef, Christian O'Reilly, Etienne Combrisson, Sahbi Chaibi, Jean-Baptiste Eichenlaub, Perrine M Ruby, Pierre-Emmanuel Aguera, Mounir Samet, Abdennaceur Kachouri, Sonia Frenette, Julie Carrier, Karim Jerbi
Sleep spindles and K-complexes are among the most prominent micro-events observed in electroencephalographic (EEG) recordings during sleep. These EEG microstructures are thought to be hallmarks of sleep-related cognitive processes. Although tedious and time-consuming, their identification and quantification is important for sleep studies in both healthy subjects and patients with sleep disorders. Therefore, procedures for automatic detection of spindles and K-complexes could provide valuable assistance to researchers and clinicians in the field...
2017: Frontiers in Neuroinformatics
https://www.readbyqxmd.com/read/28302453/brain-rhythm-attractor-breakdown-in-alzheimer-s-disease-functional-and-pathologic-implications
#18
Elissaios Karageorgiou, Keith A Vossel
This perspective binds emerging evidence on the bidirectional relationship between Alzheimer's disease (AD) and sleep disorders through a model of brain rhythm attractor breakdown. This approach explains behavioral-cognitive changes in AD across the sleep-wake cycle and supports a causal association between early brainstem tau pathology and subsequent cortical amyloid-β accumulation. Specifically, early tau dysregulation within brainstem-hypothalamic nuclei leads to breakdown of sleep-wake attractor networks, with patients displaying an attenuated range of behavioral and electrophysiological activity patterns, a "twilight zone" of constant activity between deep rest and full alertness...
March 13, 2017: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
https://www.readbyqxmd.com/read/28300056/imbalance-between-tnf%C3%AE-and-progranulin-contributes-to-memory-impairment-and-anxiety-in-sleep-deprived-mice
#19
Kun Zhang, Yu-Jiao Li, Dan Feng, Peng Zhang, Ya-Tao Wang, Xiang Li, Shui-Bing Liu, Yu-Mei Wu, Ming-Gao Zhao
Sleep disorder is becoming a widespread problem in current society, and is associated with impaired cognition and emotional disorders. Progranulin (PGRN), also known as granulin epithelin precursor, promotes neurite outgrowth and cell survival, and is encoded by the GRN gene. It is a tumor necrosis factor α receptor (TNFR) ligand which is implicated in many central nervous system diseases. However, the role PGRN in sleep disorder remains unclear. In the present study, we found that sleep deprivation (S-DEP) impaired the memory and produced thigmotaxis/anxiety-like behaviors in mice...
March 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28293623/patients-experience-of-winter-depression-and-light-room-treatment
#20
Cecilia Rastad, Lennart Wetterberg, Cathrin Martin
Background. There is a need for more knowledge on the effects of light room treatment in patients with seasonal affective disorder and to explore patients' subjective experience of the disease and the treatment. Methods. This was a descriptive and explorative study applying qualitative content analysis. A purposeful sample of 18 psychiatric outpatients with a major depressive disorder with a seasonal pattern and a pretreatment score ≥12 on the 9-item Montgomery-Åsberg Depression self-rating scale was included (10 women and 8 men, aged 24-65 years)...
2017: Psychiatry Journal
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