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https://www.readbyqxmd.com/read/28645156/rem-sleep-behavior-disorder-and-cognitive-impairment-in-parkinson-s-disease
#1
Natalia Jozwiak, Ronald B Postuma, Jacques Montplaisir, Véronique Latreille, Michel Panisset, Sylvain Chouinard, Pierre-Alexandre Bourgouin, Jean-François Gagnon
Study Objectives: REM sleep behavior disorder (RBD) is a parasomnia affecting 33 to 46% of patients with Parkinson's disease (PD). The existence of a unique and specific impaired cognitive profile in PD patients with RBD is still controversial. We extensively assessed cognitive functions to identify whether RBD is associated with more severe cognitive deficits in nondemented patients with PD. Methods: One hundred and sixty-two participants, including 53 PD patients with RBD, 40 PD patients without RBD, and 69 healthy subjects, underwent polysomnography, a neurological assessment, and an extensive neuropsychological exam to assess attention, executive functions, episodic learning and memory, visuospatial abilities, and language...
June 22, 2017: Sleep
https://www.readbyqxmd.com/read/28644921/targeted-memory-reactivation-during-sleep-but-not-wake-enhances-sensorimotor-skill-performance-a-pilot-study
#2
Brian P Johnson, Steven M Scharf, Kelly P Westlake
The benefits of sleep on memory consolidation have been enhanced for declarative and motor sequence learning through replaying classically conditioned auditory stimuli during sleep, known as targeted memory reactivation (TMR). However, it is unknown if TMR can influence performance of a sensorimotor skill, in the absence of the cognitive requirements of sequence learning. Here, young adults performed a nondominant arm throwing task separated by a full night of sleep or a full day of wake, with half of all participants receiving TMR between sessions...
June 23, 2017: Journal of Motor Behavior
https://www.readbyqxmd.com/read/28637029/blue-enriched-morning-light-as-a-countermeasure-to-light-at-the-wrong-time-effects-on-cognition-sleepiness-sleep-and-circadian-phase
#3
Mirjam Münch, Claudia Nowozin, Johannes Regente, Frederik Bes, Jan De Zeeuw, Sven Hädel, Amely Wahnschaffe, Dieter Kunz
Light during the day and darkness at night are crucial factors for proper entrainment of the human circadian system to the solar 24-h day. However, modern life and work styles have led to much more time spent indoors, often with lower daytime and higher evening/nighttime light intensity from electrical lighting than outdoors. Whether this has long-term consequences for human health is being currently investigated. We tested if bright blue-enriched morning light over several days could counteract the detrimental effects of inadequate daytime and evening lighting...
June 22, 2017: Neuropsychobiology
https://www.readbyqxmd.com/read/28627275/the-effects-of-exercise-on-patient-reported-outcomes-and-performance-based-physical-function-in-adults-with-acute-leukemia-undergoing-induction-therapy
#4
Ashley Leak Bryant, Allison M Deal, Claudio L Battaglini, Brett Phillips, Mackenzi Pergolotti, Erin Coffman, Matthew C Foster, William A Wood, Charlotte Bailey, Anthony C Hackney, Deborah K Mayer, Hyman B Muss, Bryce B Reeve
INTRODUCTION: Fatigue is a distressing symptom for adults with acute leukemia, often impeding their ability to exercise. OBJECTIVES: 1) Examine effects of a 4-week mixed-modality supervised exercise program (4 times a week, twice a day) on fatigue in adults with acute leukemia undergoing induction chemotherapy. 2) Evaluate effects of exercise program on cognition, anxiety, depression, and sleep disturbance. 3) Evaluate effect of intervention on adherence to exercise...
March 1, 2017: Integrative Cancer Therapies
https://www.readbyqxmd.com/read/28623947/effects-of-digital-cognitive-behavioural-therapy-for-insomnia-on-cognitive-function-study-protocol-for-a-randomised-controlled-trial
#5
Simon D Kyle, Madeleine E D Hurry, Richard Emsley, Annemarie I Luik, Ximena Omlin, Kai Spiegelhalder, Colin A Espie, Claire E Sexton
BACKGROUND: The daytime effects of insomnia pose a significant burden to patients and drive treatment seeking. In addition to subjective deficits, meta-analytic data show that patients experience reliable objective impairments across several cognitive domains. While Cognitive Behavioural Therapy for Insomnia (CBT-I) is an effective and scalable treatment, we know little about its impact upon cognitive function. Trials of CBT-I have typically used proxy measures for cognitive functioning, such as fatigue or work performance scales, and no study has assessed self-reported impairment in cognitive function as a primary outcome...
June 17, 2017: Trials
https://www.readbyqxmd.com/read/28620347/neural-consequences-of-chronic-short-sleep-reversible-or-lasting
#6
REVIEW
Zhengqing Zhao, Xiangxiang Zhao, Sigrid C Veasey
Approximately one-third of adolescents and adults in developed countries regularly experience insufficient sleep across the school and/or work week interspersed with weekend catch up sleep. This common practice of weekend recovery sleep reduces subjective sleepiness, yet recent studies demonstrate that one weekend of recovery sleep may not be sufficient in all persons to fully reverse all neurobehavioral impairments observed with chronic sleep loss, particularly vigilance. Moreover, recent studies in animal models demonstrate persistent injury to and loss of specific neuron types in response to chronic short sleep (CSS) with lasting effects on sleep/wake patterns...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28618185/let-s-talk-about-sleep-a-systematic-review-of-psychological-interventions-to-improve-sleep-in-college-students
#7
REVIEW
Anja Friedrich, Angelika A Schlarb
Sleep problems are a common occurrence in college students. Insomnia, nightmares and impaired sleep quality lead to several mental health issues, as well as impaired academic performance. Although different sleep programmes exist, a systematic overview comparing their effectiveness is still missing. This systematic review aims to provide an overview of psychological interventions to improve sleep in college students. Seven databases were searched from November to December 2016 (MEDLINE, EMBASE, PsycINFO, Cinahl, Cochrane Library, PubMed, OpenSigle)...
June 15, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28617544/the-relationship-between-quality-of-life-and-clinical-phenotype-in-patients-with-treatment-resistant-and-non-treatment-resistant-depression
#8
J Qiao, L-J Qian, H-F Zhao, G-H Gong, D-Q Geng
OBJECTIVE: The purpose of this investigation is to determine the differences in quality of life (QOL) and clinical phenotype between patients with treatment resistant (TRD) and non-treatment resistant depression (NTRD). PATIENTS AND METHODS: The severity, QOL, and cognitive function of 107 TRD and 173 NTRD patients were evaluated and calculated by the Hamilton Depression Scale-17 (HAMD-17), the 36-Item Short Form Health Survey (SF-36), and the P300 component of event-related potentials (ERP), respectively...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28605986/perceived-stress-disturbed-sleep-and-cognitive-impairments-in-patients-with-work-related-stress-complaints-a-longitudinal-study
#9
Anita Eskildsen, Hanne Nørr Fentz, Lars Peter Andersen, Anders Degn Pedersen, Simon Bang Kristensen, Johan Hviid Andersen
Patients on sick leave due to work-related stress often present with cognitive impairments as well as sleep disturbances. The aim of this longitudinal study was to examine the role of perceived stress and sleep disturbances in the longitudinal development in cognitive impairments in a group of patients with prolonged work-related stress (N = 60) during a period of 12 months following initial professional care-seeking. Objective cognitive impairments (neuropsychological tests) were measured on two occasions - at initial professional care-seeking and at 12-month follow-up...
June 12, 2017: Stress: the International Journal on the Biology of Stress
https://www.readbyqxmd.com/read/28595276/premorbid-iq-predicts-postconcussive-symptoms-in-oef-oif-ond-veterans-with-mtbi
#10
Jada J Stewart-Willis, Daniel Heyanka, Zoe Proctor-Weber, Heather England, Maya Bruhns
Objective: Extant literature has demonstrated that symptoms of postconcussive syndrome (PCS) persist well beyond the expected 3-month post-injury recovery period in a minority of individuals with mild traumatic brain injury (mTBI). Suboptimal performance on validity measures and pre- and post-injury psychosocial stressors - rather than actual mTBI or current cognitive functioning - have been identified as predictors of chronic PCS. Whether premorbid IQ has any influence on chronic PCS has been understudied, in the context of established psychogenic etiologies...
June 8, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28589261/nonmotor-symptoms-in-patients-with-spinocerebellar-ataxia-type-10
#11
Adriana Moro, Renato P Munhoz, Mariana Moscovich, Walter O Arruda, Salmo Raskin, Laura Silveira-Moriyama, Tetsuo Ashizawa, Hélio A G Teive
Nonmotor symptoms (NMS) have been described in several neurodegenerative diseases but have not been systematically evaluated in spinocerebellar ataxia type 10 (SCA10). The objective of the study is to compare the frequency of NMS in patients with SCA10, Machado-Joseph disease (MJD), and healthy controls. Twenty-eight SCA10, 28 MJD, and 28 healthy subjects were prospectively assessed using validated screening tools for chronic pain, autonomic symptoms, fatigue, sleep disturbances, psychiatric disorders, and cognitive function...
June 6, 2017: Cerebellum
https://www.readbyqxmd.com/read/28588890/cognitive-impairment-in-crohn-s-disease-is-associated-with-systemic-inflammation-symptom-burden-and-sleep-disturbance
#12
Daniel R van Langenberg, Greg W Yelland, Stephen R Robinson, Peter R Gibson
BACKGROUND: Patients with Crohn's disease (CD) frequently complain of cognitive difficulties such as problems with concentration and clouding of thought, yet this has scarcely been objectively defined and underlying mechanisms remain unknown. OBJECTIVE: The objective of this article is to objectively measure cognitive impairments in patients with CD compared with healthy controls, and if present, to identify potentially modifiable, contributing factors associated with cognitive impairment...
June 2017: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/28585127/neuropsychological-functioning-after-adenotonsillectomy-in-children-with-obstructive-sleep-apnea-a-meta-analysis
#13
Ying Yu, Yu-Xue Chen, Lu Liu, Zhi-Yuan Yu, Xiang Luo
The present study aimed to investigate the efficacy of adenotonsillectomy (AT) for children with obstructive sleep apnea syndrome (OSAS) and the improvement of their cognitive function. Studies on cognitive performance of OSAS children treated with or without AT were identified by searching the Pubmed, EMBASE and Cochrane library. A meta-analysis was conducted to analyze the literature. The random-effects model was used to evaluate 11 eligible studies using an inverse- variance method. The neuropsychological test results of 4 cognitive domains (general intelligence, memory, attention-executive function and verbal ability) were obtained and analyzed...
June 2017: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/28582871/global-yet-incomplete-overview-of-cohort-studies-in-parkinson-s-disease
#14
Sebastian Heinzel, Stefanie Lerche, Walter Maetzler, Daniela Berg
BACKGROUND: Parkinson's disease (PD) is characterized by heterogeneity and multifactorial longitudinal changes. To identify PD subtypes and factors influencing the disease course, multiple cohort studies have been designed globally. Knowledge about existing cohorts is pivotal to foster collaboration, which may help to advance the understanding of PD. OBJECTIVE: To raise the awareness about PD cohorts and potential global collaboration opportunities. METHODS: Observational cohort studies in clinical PD were identified by a European working group (JPND BioLoC-PD) and through literature search...
May 31, 2017: Journal of Parkinson's Disease
https://www.readbyqxmd.com/read/28581353/four-night-shifts-have-a-degree-of-performance-adaptation
#15
Yu-San Chang, Yu-Hsuan Wu, Hsiang-Lan Chen, Chung-Yao Hsu
OBJECTIVE: In this case control study, we investigated the process of adaptation to night shift (NS) work and recovery back to a day schedule among nurses working a fast-rotation three-shift schedule. BACKGROUND: There is limited knowledge of how specific patterns of a fast-rotation shift affect nurses' performance. METHOD: The cognitive performance of off-duty nurses (OD; n = 21), those working the first night of an NS (1NS; n = 21) and the last night of two ( n = 21), three ( n = 20), and four (4NS; n = 21) successive NSs were compared...
June 1, 2017: Human Factors
https://www.readbyqxmd.com/read/28579842/short-and-long-term-health-consequences-of-sleep-disruption
#16
REVIEW
Goran Medic, Micheline Wille, Michiel Eh Hemels
Sleep plays a vital role in brain function and systemic physiology across many body systems. Problems with sleep are widely prevalent and include deficits in quantity and quality of sleep; sleep problems that impact the continuity of sleep are collectively referred to as sleep disruptions. Numerous factors contribute to sleep disruption, ranging from lifestyle and environmental factors to sleep disorders and other medical conditions. Sleep disruptions have substantial adverse short- and long-term health consequences...
2017: Nature and Science of Sleep
https://www.readbyqxmd.com/read/28576131/analysis-of-31-year-old-patient-with-syngap1-gene-defect-points-to-importance-of-variants-in-broader-splice-regions-and-reveals-developmental-trajectory-of-syngap1-associated-phenotype-case-report
#17
Darina Prchalova, Marketa Havlovicova, Katalin Sterbova, Viktor Stranecky, Miroslava Hancarova, Zdenek Sedlacek
BACKGROUND: Whole exome sequencing is a powerful tool for the analysis of genetically heterogeneous conditions. The prioritization of variants identified often focuses on nonsense, frameshift and canonical splice site mutations, and highly deleterious missense variants, although other defects can also play a role. The definition of the phenotype range and course of rare genetic conditions requires long-term clinical follow-up of patients. CASE PRESENTATION: We report an adult female patient with severe intellectual disability, severe speech delay, epilepsy, autistic features, aggressiveness, sleep problems, broad-based clumsy gait and constipation...
June 2, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/28575872/abnormal-amplitude-of-low-frequency-fluctuations-associated-with-rapid-eye-movement-in-chronic-primary-insomnia-patients
#18
Qian Ran, Jia Chen, Chuan Li, Li Wen, Faguo Yue, Tongsheng Shu, Jianxun Mi, Guangxian Wang, Lei Zhang, Dong Gao, Dong Zhang
PURPOSE: Chronic primary insomnia (CPI) is the most prevalent sleep disorder worldwide. CPI manifests as difficulties in sleep onset, maintaining sleep, prolonged sleep latency, and daytime impairment and is often accompanied by cognitive problems such as poor academic performance, poor attention, and decreased memory. The most popular explanation of insomnia is hyperarousal or increased activities of neurons. Rapid eye movement (REM) sleep detected by polysomnography (PSG) exhibits a positive relationship with brain homeostasis and can be helpful for optimally preparing an organism for emotional and social function...
May 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28573441/sociodemographic-and-clinical-determinants-of-quality-of-life-of-patients-with-non-small-cell-lung-cancer
#19
Mariusz Chabowski, Jacek Polański, Grzegorz Mazur, Dariusz Janczak, Joanna Rosińczuk
Non-small cell lung cancer (NSCLC) is a serious health problem. Identifying factors affecting quality of life (QoL) may help modify risk factors and improve survival. The study included 180 patients treated for NSCLC in the Lower Silesian Center of Lung Diseases between January and December 2015. QoL was assessed with QLQ-C30 and QLQ-LC13 scales. General physical functioning was measured with the ECOG Performance Status scale. The clinical and sociodemographic data were retrieved from medical records. The influence of clinical and sociodemographic factors on QoL was examined...
June 2, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28572056/effects-of-exercise-on-depressive-behavior-and-striatal-levels-of-norepinephrine-serotonin-and-their-metabolites-in-sleep-deprived-mice
#20
Thiago Medeiros da Costa Daniele, Pedro Felipe Carvalhedo de Bruin, Emiliano Ricardo Vasconcelos Rios, Veralice Meireles Sales de Bruin
Exercise is a promising adjunctive therapy for depressive behavior, sleep/wake abnormalities, cognition and motor dysfunction. Conversely, sleep deprivation impairs mood, cognition and functional performance. The objective of this study is to evaluate the effects of exercise on anxiety and depressive behavior and striatal levels of norepinephrine (NE), serotonin and its metabolites in mice submitted to 6h of total sleep deprivation (6h-TSD) and 72h of Rapid Eye Movement (REM) sleep deprivation (72h-REMSD). Experimental groups were: (1) mice submitted to 6h-TSD by gentle handling; (2) mice submitted to 72h-REMSD by the flower pot method; (3) exercise (treadmill for 8 weeks); (4) exercise followed by 6h-TSD; (5) exercise followed by 72h-REMSD; (6) control (home cage)...
May 29, 2017: Behavioural Brain Research
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