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https://www.readbyqxmd.com/read/29229413/constant-light-environment-suppresses-maturation-and-reduces-complexity-of-new-born-neuron-processes-in-the-hippocampus-and-caudal-nidopallium-of-a-diurnal-corvid-implication-for-impairment-of-the-learning-and-cognitive-performance
#1
S K Tahajjul Taufique, Abhilash Prabhat, Vinod Kumar
Periodic day-night environment shapes the temporal pattern in the behaviour and physiology (e.g. 24-h activity-rest and sleep-wake cycles) and the advanced brain function, such as learning, memory and decision making. In a previous study, we showed the abolition of 24-h rhythm in the activity-rest pattern, and an attenuated cognitive performance in diurnal Indian house crows (Corvus splendens) under constant light (no-night; LL) environment. Present study extended this, and investigated LL-induced effects on the neurogenesis (birth, maturation and neurite complexity of new born neurons) in the hippocampus and caudal nidopallium, the brain regions directly associated with learning and cognition in birds...
December 8, 2017: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/29227897/sleep-difficulties-in-college-students-the-role-of-stress-affect-and-cognitive-processes
#2
Ana Paula Amaral, Maria João Soares, Ana Margarida Pinto, Ana Telma Pereira, Nuno Madeira, Sandra Carvalho Bos, Mariana Marques, Carolina Roque, António Macedo
Previous research indicates that sleep difficulties and stress are prevalent in college students. The main aim of the current study was to investigate the role of repetitive negative thinking (RNT), cognitive emotion regulation, and negative affect as mediators of the relationship between stress and sleep difficulties. We also intended to analyse the associations between all these variables and the gender differences. A sample of 549 college students completed self-report measures assessing the mentioned variables...
December 2, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29226495/forgetting-to-remember-prospective-memory-within-the-context-of-pain
#3
R Gatzounis, M G S Schrooten, G Crombez, J W S Vlaeyen
BACKGROUND: Pain interferes with cognitive functioning in several ways. Among other symptoms, pain patients often report difficulties with remembering future intentions. It remains unclear, however, whether it is the pain per se that impairs prospective remembering or other factors that often characterize people with pain (e.g. poor sleep quality). In this experiment, we investigated whether prospective memory is impaired within the context of pain, and whether this impairment is enhanced when the threat value of pain is increased...
December 11, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/29226069/do-older-adults-need-sleep-a-review-of-neuroimaging-sleep-and-aging-studies
#4
Michael K Scullin
Purpose of Review: Sleep habits, sleep physiology, and sleep disorders change with increasing age. However, there is a longstanding debate regarding whether older adults need sleep to maintain health and daily functioning (reduced-sleep-need view). An alternative possibility is that all older adults need sleep, but that many older adults have lost the ability to obtain restorative sleep (reduced-sleep-ability view). Prior research using behavioral and polysomnography outcomes has not definitively disentangled the reduced-sleep-need and reduced-sleep-ability views...
September 2017: Current Sleep Medicine Reports
https://www.readbyqxmd.com/read/29225527/epileptic-activity-and-cognitive-impairment-hijacking-plasticity-during-sleep
#5
COMMENT
Marvin A Rossi
No abstract text is available yet for this article.
July 2017: Epilepsy Currents
https://www.readbyqxmd.com/read/29224982/perceptual-learning-induces-changes-in-early-and-late-visual-evoked-potentials
#6
Maryam Ahmadi, Elizabeth A McDevitt, Michael A Silver, Sara C Mednick
Studies of visual cortical responses following visual perceptual learning (VPL) have produced diverse results, revealing neural changes in early and/or higher-level visual cortex as well as changes in regions responsible for higher cognitive processes such as attentional control. In this study, we investigated substrates of VPL in the human brain by recording visual evoked potentials with high-density electroencephalography (hdEEG) before (Session 1) and after (Session 2) training on a texture discrimination task (TDT), with two full nights of sleep between sessions...
December 7, 2017: Vision Research
https://www.readbyqxmd.com/read/29224694/chronic-musculoskeletal-pain-and-its-impact-on-older-people
#7
REVIEW
Fiona M Blyth, Naomi Noguchi
Musculoskeletal conditions are the leading cause of disability worldwide and also have a large impact on many other aspects of older people's health such as low physical activity level, poor mobility, frailty, depression, cognitive impairment, falls and poor sleep quality. Clustering of musculoskeletal pain with other pain conditions is also common, and the number of pain sites is an important prognostic factor. While musculoskeletal pain is usually nociceptive in origin, older people with musculoskeletal conditions may also experience neuropathic pain and central pain syndromes...
April 2017: Best Practice & Research. Clinical Rheumatology
https://www.readbyqxmd.com/read/29223863/what-can-predict-and-prevent-the-long-term-use-of-benzodiazepines
#8
Takeo Hata, Tetsufumi Kanazawa, Takeshi Hamada, Masami Nishihara, Ashley Ian Bush, Hiroshi Yoneda, Miki Nakajima, Takahiro Katsumata
Although benzodiazepines (BZDs) are commonly prescribed for insomnia or anxiety, long-term use of BZDs causes serious adverse effects such as daytime drowsiness and cognitive decline. In the current study, we evaluated the predictors and preventers of long-term usage of BZDs from a retrospective survey by utilizing the 12-year prescription record of a university hospital. From the prescription data of 92,005 people, users of BZDs (n = 3,470, male = 39.2%, mean age = 60 ± 17.5) were analyzed. During this period, both the number of prescriptions (2722 in 2004 to 1019 in 2016) and the number of BZDs (1...
November 24, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/29223769/obstructive-sleep-apnoea-and-alzheimer-s-disease-in-search-of-shared-pathomechanisms
#9
REVIEW
D Polsek, N Gildeh, D Cash, R Winsky-Sommerer, S C R Williams, F Turkheimer, G D Leschziner, M J Morrell, I Rosenzweig
Alzheimer's disease (AD) is a significant public health concern. The incidence continues to rise, and it is set to be over one million in the UK by 2025. The processes involved in the pathogenesis of AD have been shown to overlap with those found in cognitive decline in patients with Obstructive Sleep Apnoea (OSA). Currently, the standard treatment for OSA is Continuous Positive Airway Pressure. Adherence to treatment can, however, be an issue, especially in patients with dementia. Also, not all patients respond adequately, necessitating the use of additional treatments...
December 6, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/29223173/the-worried-well-characteristics-of-cognitively-normal-patients-presenting-to-a-rural-and-remote-memory-clinic
#10
Ryan Verity, Andrew Kirk, Megan E O'Connell, Chandima Karunanayake, Debra G Morgan
INTRODUCTION: In an effort to better understand why cognitively normal patients were referred to a memory clinic, we sought to identify features of "worried well" patients to better identify those more likely to be cognitively normal. METHODS: In total, 375 consecutive patients referred by primary care practitioners to a Rural and Remote Memory Clinic were categorized into two groups based on their neurologic diagnosis, "worried well" (cognitively normal, N=81) or "other" (patients with any neurologic diagnosis, N=294)...
December 10, 2017: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/29222290/chronic-organ-failure-in-adult-sickle-cell-disease
#11
REVIEW
Elliott Vichinsky
Sickle cell disease is now a chronic adult illness characterized by progressive multiorgan failure, particularly involving the brain and kidney. The etiology is multifactorial; it includes hemolysis and nitric oxide deficiency. As patients age, most experience neurologic insult. Twenty-five percent of older adults have had a clinical stroke and at least half of the population have had a silent infarct, cortical atrophy, and neurocognitive impairment. Periodic screening with neuroimaging and neurocognitive testing is recommended...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29221773/gender-differences-in-sleep-symptoms-after-repeat-concussions
#12
Temitayo Oyefunmike Oyegbile, Bronson Elizabeth Delasobera, Nassim Zecavati
OBJECTIVES: There are notable gender differences in concussion as well as sleep. Sleep disturbance is a major symptom of post-concussive syndrome. The interplay between sleep disturbance, concussion, and gender has yet to be examined. The objective of this study was to determine whether sleep disturbance plays a role in the known gender differences associated with concussion. METHODS: Males and females (ages 10-35 years) completed a pre-concussion and post-concussion evaluation...
December 2017: Sleep Medicine
https://www.readbyqxmd.com/read/29221772/investigating-psychological-and-physiological-responses-to-the-trier-social-stress-test-in-young-adults-with-insomnia
#13
Ivy Y Chen, Denise C Jarrin, Hans Ivers, Charles M Morin
OBJECTIVE: Stress and hyperarousal both contribute to insomnia. Elevated stress-related sleep reactivity is associated with hyperarousal, and might constitute a vulnerability to future insomnia. The present study examined acute stress-induced arousal and its association with nocturnal sleep. METHODS: Participants were 30 healthy adults (66.7% female, Mage = 26.7 years): 10 with insomnia (INS) and 20 good sleepers with high vulnerability (HV) or low vulnerability (LV) to insomnia...
December 2017: Sleep Medicine
https://www.readbyqxmd.com/read/29220627/neuropsychological-functioning-in-older-adults-with-mild-cognitive-impairment-and-insomnia-randomized-to-cbt-i-or-control-group
#14
Erin Cassidy-Eagle, Allison Siebern, Lisa Unti, Jill Glassman, Ruth O'Hara
OBJECTIVES: Improving the sleep of older adults with mild cognitive impairment (MCI) represents a first step in discovering whether interventions directed at modifying this risk factor also have the potential to alter the cognitive decline trajectory. METHODS: A six-session, adapted version of a cognitive behavioral therapy for insomnia (CBT-I) was administered to older adults (N = 28; 14 per group) with MCI across two residential facilities. Participants were randomly assigned to either the sleep intervention or an active control group and completed a neuropsychological battery at three time points (e...
October 24, 2017: Clinical Gerontologist
https://www.readbyqxmd.com/read/29219104/adherence-to-24-hour-movement-guidelines-for-the-early-years-and-associations-with-social-cognitive-development-among-australian-preschool-children
#15
Dylan P Cliff, Jade McNeill, Stewart A Vella, Steven J Howard, Rute Santos, Marijka Batterham, Edward Melhuish, Anthony D Okely, Marc de Rosnay
BACKGROUND: The new Australian 24-Hour Movement Guidelines for the Early Years recommend that, for preschoolers, a healthy 24-h includes: i) ≥180 min of physical activity, including ≥60 min of energetic play, ii) ≤1 h of sedentary screen time, and iii) 10-13 h of good quality sleep. Using an Australian sample, this study reports the proportion of preschool children meeting these guidelines and investigates associations with social-cognitive development. METHODS: Data from 248 preschool children (mean age = 4...
November 20, 2017: BMC Public Health
https://www.readbyqxmd.com/read/29219078/systematic-review-of-the-relationships-between-sleep-duration-and-health-indicators-in-the-early-years-0-4%C3%A2-years
#16
Jean-Philippe Chaput, Casey E Gray, Veronica J Poitras, Valerie Carson, Reut Gruber, Catherine S Birken, Joanna E MacLean, Salomé Aubert, Margaret Sampson, Mark S Tremblay
BACKGROUND: The objective of this systematic review was to examine for the first time the associations between sleep duration and a broad range of health indicators in children aged 0 to 4 years. METHODS: Electronic databases were searched with no limits on date or study design. Included studies (published in English or French) were peer-reviewed and met the a priori determined population (apparently healthy children aged 1 month to 4.99 years), intervention/exposure/comparator (various sleep durations), and outcome criteria (adiposity, emotional regulation, cognitive development, motor development, growth, cardiometabolic health, sedentary behaviour, physical activity, quality of life/well-being, and risks/injuries)...
November 20, 2017: BMC Public Health
https://www.readbyqxmd.com/read/29219071/systematic-review-of-the-relationships-between-combinations-of-movement-behaviours-and-health-indicators-in-the-early-years-0-4%C3%A2-years
#17
Nicholas Kuzik, Veronica J Poitras, Mark S Tremblay, Eun-Young Lee, Stephen Hunter, Valerie Carson
BACKGROUND: A recent review highlighted important relationships between combinations of movement behaviours (i.e., sleep, sedentary behaviour, and physical activity) and health indicators among school-aged children and youth (aged 5-17 years). It is unclear whether similar relationships exist in younger children. Therefore, this review sought to examine the relationships between combinations of movement behaviours and health indicators in the early years (1.00 month to 4.99 years)...
November 20, 2017: BMC Public Health
https://www.readbyqxmd.com/read/29216834/inventory-of-real-world-data-sources-in-parkinson-s-disease
#18
Audrey Tanguy, Linus Jönsson, Lianna Ishihara
BACKGROUND: Real world data have an important role to play in the evaluation of epidemiology and burden of disease; and in assisting health-care decision-makers, especially related to coverage and payment decisions. However, there is currently no overview of the existing longitudinal real world data sources in Parkinson's disease (PD) in the USA. Such an assessment can be very helpful, to support a future effort to harmonize real world data collection and use the available resources in an optimal way...
December 8, 2017: BMC Neurology
https://www.readbyqxmd.com/read/29216607/frequency-of-risk-factors-and-coexisting-abnormalities-in-a-population-of-egyptian-children-with-autism-spectrum-disorder
#19
Nagwa Abdel Meguid, Neveen Hassan Nashaat, Heba S Hashem, Mai M Khalil
BACKGROUND: Many risk factors interact together during the critical period of development and govern the future phenotype of autism spectrum disorder (ASD). Furthermore, co-occurring abnormalities among individuals with ASD vary a lot so as their abilities. AIM OF WORK: To investigate possible risk factors and to determine the prevalence of coexisting abnormalities in a sample of Egyptian ASD children and their influence on the severity and their communication performance...
December 1, 2017: Asian Journal of Psychiatry
https://www.readbyqxmd.com/read/29213524/delirium-in-the-elderly-a-systematic-review-of-pharmacological-and-non-pharmacological-treatments
#20
Cecília Carboni Tardelli Cerveira, Cláudia Cristina Pupo, Sigrid De Sousa Dos Santos, José Eduardo Mourão Santos
Delirium is a common disorder associated with poor prognosis, especially in the elderly. The impact of different treatment approaches for delirium on morbimortality and long-term welfare is not completely understood. OBJECTIVE: To determine the efficacy of pharmacological and non-pharmacological treatments in elderly patients with delirium. METHODS: This systematic review compared pharmacological and non-pharmacological treatments in patients over 60 years old with delirium...
July 2017: Dementia & Neuropsychologia
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