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https://www.readbyqxmd.com/read/28922421/effects-of-acute-administration-of-donepezil-or-memantine-on-sleep-deprivation-induced-spatial-memory-deficit-in-young-and-aged-non-human-primate-grey-mouse-lemurs-microcebus-murinus
#1
Anisur Rahman, Yves Lamberty, Esther Schenker, Massimo Cella, Solène Languille, Régis Bordet, Jill Richardson, Fabien Pifferi, Fabienne Aujard
The development of novel therapeutics to prevent cognitive decline of Alzheimer's disease (AD) is facing paramount difficulties since the translational efficacy of rodent models did not resulted in better clinical results. Currently approved treatments, including the acetylcholinesterase inhibitor donepezil (DON) and the N-methyl-D-aspartate antagonist memantine (MEM) provide marginal therapeutic benefits to AD patients. There is an urgent need to develop a predictive animal model that is phylogenetically proximal to humans to achieve better translation...
2017: PloS One
https://www.readbyqxmd.com/read/28920532/the-impact-of-traumatic-brain-injury-on-later-life-effects-on-normal-aging-and-neurodegenerative-diseases
#2
Grace Sophia Griesbach, Brent E Masel, Richard Edward Helvie, Mark Ashley
The acute and chronic effects of traumatic brain injury (TBI) have been widely described; however, there is limited knowledge on how a TBI sustained during early or mid adulthood will influence aging. Epidemiological studies have explored whether TBI poses a risk for dementia and other neurodegenerative diseases associated with aging. We will discuss the influence of TBI and resulting medical comorbidities such as endocrine, sleep and inflammatory disturbances on age-related grey and white matter changes and cognitive decline...
September 16, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28919912/the-isfahan-comprehensive-elderly-study-objectives-research-design-methodology-and-preliminary-results
#3
Zahra Heidari, Awat Feizi
BACKGROUND: This paper presents the objectives, research design, methodology, and primary findings of the Isfahan Comprehensive Elderly Study (ICES). MATERIALS AND METHODS: In this cross-sectional study, 603 elderly persons (aged 60 and over) were selected by multistage cluster sampling method from Isfahan, Iran, in 2016 comprehensive questionnaires along with a detailed interview were used to collect information on personal, family, socioeconomic, health and social services characteristics, life styles, physical illnesses and chronic diseases, mental, emotional and cognition disorders, quality of life, disabilities, sleep quality, social supports, life satisfaction, self-efficacy, and of participants...
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/28919464/corticothalamic-network-dysfunction-and-alzheimer-s-disease
#4
Rohan Jagirdar, Jeannie Chin
Alzheimer's disease (AD) is a devastating neurodegenerative disease that is characterized by progressive cognitive decline and a prominent loss of hippocampal-dependent memory. Therefore, much focus has been placed on understanding the function and dysfunction of the hippocampus in AD. However, AD is also accompanied by a number of other debilitating cognitive and behavioral alterations including deficits in attention, cognitive processing, and sleep maintenance. The underlying mechanisms that give rise to impairments in such diverse behavioral domains are unknown, and identifying them would shed insight into the multifactorial nature of AD as well as reveal potential new therapeutic targets to improve overall function in AD...
September 14, 2017: Brain Research
https://www.readbyqxmd.com/read/28919128/pregabalin-for-anxiety-in-patients-with-schizophrenia-a-randomized-double-blind-placebo-controlled-study
#5
Ole Schjerning, Per Damkier, Signe Engelhardt Lykkegaard, Klaus Damgaard Jakobsen, Jimmi Nielsen
INTRODUCTION: Anxiety is frequent in patients with schizophrenia and poses a major impact on patients perceived quality of life, daily functioning and risk of suicide. Pregabalin has shown effective in the treatment of generalized anxiety disorder and has been suggested for the treatment of anxiety in patients with schizophrenia. As evidence is sparse regarding treatment of anxiety in this patient group, we aimed to investigate the use of pregabalin for anxiety in patients with schizophrenia...
September 14, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28918315/does-cognitive-behavioural-therapy-for-insomnia-improve-cognitive-performance-a-systematic-review-and-narrative-synthesis
#6
REVIEW
Vanessa Herbert, Simon D Kyle, Daniel Pratt
Individuals with insomnia report difficulties pertaining to their cognitive functioning. Cognitive behavioural therapy for insomnia (CBT-I) is associated with robust, long-term improvements in sleep parameters, however less is known about the impact of CBT-I on the daytime correlates of the disorder. A systematic review and narrative synthesis was conducted in order to summarise and evaluate the evidence regarding the impact of CBT-I on cognitive functioning. Reference databases were searched and studies were included if they assessed cognitive performance as an outcome of CBT-I, using either self-report questionnaires or cognitive tests...
July 12, 2017: Sleep Medicine Reviews
https://www.readbyqxmd.com/read/28917949/linear-association-between-number-of-modifiable-risk-factors-and-multiple-chronic-conditions-results-from-the-behavioral-risk-factor-surveillance-system
#7
Mary L Adams, Joseph Grandpre, David L Katz, Douglas Shenson
Multiple (≥2) chronic conditions (MCCs) are responsible for a large fraction of healthcare costs. Our aim was to examine possible associations between MCCs and composite measures of behavioral risk factors (RFs). Data were publicly available 2013 Behavioral Risk Factor Surveillance System and included 483,865 non-institutionalized US adults ages ≥18years. Chronic conditions included asthma, arthritis, chronic obstructive pulmonary disease, cognitive impairment, heart disease, stroke, cancer, and kidney disease...
September 13, 2017: Preventive Medicine
https://www.readbyqxmd.com/read/28917017/physiological-ripples-%C3%A2-%C3%A2-100%C3%A2-hz-in-spike-free-scalp-eegs-of-children-with-and-without-epilepsy
#8
Anne H Mooij, Renee C M A Raijmann, Floor E Jansen, Kees P J Braun, Maeike Zijlmans
Pathological high frequency oscillations (HFOs, >80 Hz) are considered new biomarkers for epilepsy. They have mostly been recorded invasively, but pathological ripples (80-250 Hz) can also be found in scalp EEGs with frequent epileptiform spikes. Physiological HFOs also exist. They have been recorded invasively in hippocampus and neocortex. There are no reports of spontaneously occurring physiological HFOs recorded with scalp EEG. We aimed to study ripples in spike-free scalp EEGs. We included 23 children (6 with, 17 without epilepsy) who had an EEG without interictal epileptiform spikes recorded during sleep...
September 15, 2017: Brain Topography
https://www.readbyqxmd.com/read/28915152/predictors-of-adherence-to-psychological-treatment-for-insomnia-and-pain-analysis-from-a-randomized-trial
#9
Erin Koffel, Michael V Vitiello, Susan M McCurry, Bruce Rybarczyk, Michael Von Korff
OBJECTIVES: Poor adherence to psychological treatment for insomnia is common and limits treatment gains. Very little is known about predictors of adherence among patients with chronic pain, although adherence is theorized to be more critical and more challenging for these patients. This secondary data analysis examines predictors of drop-out and therapy nonattendance in an osteoarthritis population receiving psychological treatment for insomnia and pain. METHODS: Data were analyzed from the "Lifestyles" trial, a randomized controlled trial of a 6-week group cognitive behavioral pain coping skills intervention (CBT-P), group cognitive-behavioral therapy for pain and insomnia (CBT-PI), and an education only attention control group (EOC)...
September 14, 2017: Clinical Journal of Pain
https://www.readbyqxmd.com/read/28914726/pro-inflammatory-cytokines-mood-and-sleep-in-interepisode-bipolar-disorder-and-insomnia-a-pilot-study-with-implications-for-psychosocial-interventions
#10
Michael R Dolsen, Adriane M Soehner, Allison G Harvey
OBJECTIVE: Pro-inflammatory cytokines are associated with bipolar disorder (BD), but less is known about how cytokines function during the interepisode period. This study examined cytokines, mood symptoms, and sleep in individuals with interepisode BD with complaints of insomnia. We also investigated the effects of a BD-specific modification of cognitive behavior therapy for insomnia (CBTI-BP) on cytokine levels. METHODS: The 22 adults with interepisode BD Type I and insomnia were drawn from a subset of an NIMH-funded study...
September 13, 2017: Psychosomatic Medicine
https://www.readbyqxmd.com/read/28912034/sleep-deprivation-induces-spatial-memory-impairment-by-altered-hippocampus-neuroinflammatory-responses-and-glial-cells-activation-in-rats
#11
Meetu Wadhwa, Punita Kumari, Garima Chauhan, Koustav Roy, Shahnawaz Alam, Krishna Kishore, Koushik Ray, Usha Panjwani
We aimed to investigate the glial cells activation as a potential mechanism involved in the sleep deprivation (SD) induced cognitive impairment through changes in inflammatory cytokines. We analyzed the spatial memory, inflammatory cytokine levels, and gliosis during SD. SD induced spatial memory impairment, imbalance of inflammatory (increased pro- and decreased anti-) cytokines in both hippocampus and plasma in association with glial cells activation in the hippocampus of sleep-deprived rats were observed...
September 7, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28910196/effect-of-alpinia-galanga-on-mental-alertness-and-sustained-attention-with-or-without-caffeine-a-randomized-placebo-controlled-study
#12
Shalini Srivastava, Mark Mennemeier, Surekha Pimple
OBJECTIVE: Although Alpinia galanga has been reported to improve cognitive performance in animals, it has not been thoroughly studied for its potential psychostimulant effect in humans. A randomized, double-dummy, double-blind, placebo-controlled cross-over study was conducted to determine the effect of A galanga on mental alertness and sustained attention in comparison with caffeine and placebo in participants with a habitual caffeine intake. METHODS: Fifty-nine participants (18-40 years and body mass index of ≥18...
September 14, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28905326/circadian-rhythms-sleep-and-cognitive-skills-evidence-from-an-unsleeping-giant
#13
Osea Giuntella, Wei Han, Fabrizio Mazzonna
This study analyzes the effects of sleep duration on cognitive skills and depression symptoms of older workers in urban China. Cognitive skills and mental health have been associated with sleep duration and are known to be strongly related to economic behavior and performance. However, causal evidence is lacking, and little is known about sleep deprivation in developing countries. We exploit the relationship between circadian rhythms and bedtime to identify the effects of sleep using sunset time as an instrument...
September 13, 2017: Demography
https://www.readbyqxmd.com/read/28905231/sleep-disordered-breathing-and-the-risk-of-cognitive-decline-a-meta-analysis-of-19-940-participants
#14
REVIEW
Xiaoxia Zhu, Yanli Zhao
Sleep-disordered breathing (SDB) is related to the incidence of cognitive decline. However, results of cohort studies were inconsistent. We performed a meta-analysis of cohort studies to evaluate the sequential association between SDB and cognitive decline. Cohort studies were identified by the searching of PubMed and Embase databases. A random effect model was applied to combine the results. Nineteen thousand nine hundred forty participants from six cohort studies were included. Participants with SDB at baseline had significantly higher risk of cognitive decline, as indicated by a combined outcome of mild cognitive impairment (MCI) or dementia (RR = 1...
September 13, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28905204/racial-vs-self-affirmation-as-a-protective-mechanism-against-the-effects-of-racial-exclusion-on-negative-affect-and-substance-use-vulnerability-among-black-young-adults
#15
Michelle L Stock, Frederick X Gibbons, Janine B Beekman, Kipling D Williams, Laura S Richman, Meg Gerrard
Affirming one's racial identity may help protect against the harmful effects of racial exclusion on substance use cognitions. This study examined whether racial versus self-affirmation (vs. no affirmation) buffers against the effects of racial exclusion on substance use willingness and substance use word associations in Black young adults. It also examined anger as a potential mediator of these effects. After being included, or racially excluded by White peers, participants were assigned to a writing task: self-affirmation, racial-affirmation, or describing their sleep routine (neutral)...
September 13, 2017: Journal of Behavioral Medicine
https://www.readbyqxmd.com/read/28904508/changes-in-cognitive-function-in-patients-with-primary-insomnia
#16
Hui Guo, Meijie Wei, Wantao Ding
BACKGROUND: Neuropsychological evidence is not sufficient concerning whether there is cognitive impairment in patients with primary insomnia. Further study is needed in this regard. AIMS: To measure the changes in cognitive functioning in patients with primary insomnia. METHODS: 40 patients with insomnia (insomnia group) and 48 normal sleepers (control group) were tested using the Pittsburgh Sleep Quality Index (PSQI), episodic memory test, and Montreal Cognitive Assessment (MoCA)...
June 25, 2017: Shanghai Archives of Psychiatry
https://www.readbyqxmd.com/read/28901536/validation-of-the-pedsql-epilepsy-module-a-pediatric-epilepsy-specific-health-related-quality-of-life-measure
#17
Avani C Modi, Katherine F Junger, Constance A Mara, Tanja Kellermann, Lauren Barrett, Janelle Wagner, Grace A Mucci, Laurie Bailey, Dace Almane, Shanna M Guilfoyle, Lauryn Urso, Brooke Hater, Heather Hustzi, Gigi Smith, Bruce Herrmann, M Scott Perry, Mary Zupanc, James W Varni
OBJECTIVE: To validate a brief and reliable epilepsy-specific, health-related quality of life (HRQOL) measure in children with various seizure types, treatments, and demographic characteristics. METHODS: This national validation study was conducted across five epilepsy centers in the United States. Youth 5-18 years and caregivers of youth 2-18 years diagnosed with epilepsy completed the PedsQL Epilepsy Module and additional questionnaires to establish reliability and validity of the epilepsy-specific HRQOL instrument...
September 13, 2017: Epilepsia
https://www.readbyqxmd.com/read/28900837/perseverative-cognition-as-an-explanatory-mechanism-in-the-relation-between-job-demands-and-sleep-quality
#18
Michelle Van Laethem, Debby G J Beckers, Sabine A E Geurts, Johanna Garefelt, Linda L Magnusson Hanson, Constanze Leineweber
PURPOSE: The aim of this longitudinal three-wave study was to examine (i) reciprocal associations among job demands, work-related perseverative cognition (PC), and sleep quality; (ii) PC as a mediator in-between job demands and sleep quality; and (iii) continuous high job demands in relation to sleep quality and work-related PC over time. METHOD: A representative sample of the Swedish working population was approached in 2010, 2012, and 2014, and 2316 respondents were included in this longitudinal full-panel survey study...
September 12, 2017: International Journal of Behavioral Medicine
https://www.readbyqxmd.com/read/28900721/effects-of-per3-clock-gene-polymorphisms-on-aging-related-changes-of-the-cerebral-cortex
#19
Delphine Dewandre, Mercedes Atienza, Mayely P Sanchez-Espinosa, Jose L Cantero
Considerable evidence suggests that circadian rhythmicity is progressively disrupted in senescence. Among clock genes, Period3 (PER3) has been associated with circadian phenotypes, homeostatic regulation of sleep, and cognitive performance in young adults. However, the effects of PER3 genotype on aging-related changes in both cognitive function and cortical integrity remain largely unknown. To shed light into this issue, we have investigated differences in cognitive performance, patterns of cortical thickness, and cortical glucose consumption in normal elderly subjects homozygous carriers of the short (PER3(4/4), n = 32) and long repeat alleles (PER3(5/5), n = 32)...
September 12, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/28900617/serum-and-brain-metabolomic-variations-reveal-perturbation-of-sleep-deprivation-on-rats-and-ameliorate-effect-of-total-ginsenoside-treatment
#20
Xiao-Jun Gou, Fang Cen, Zi-Quan Fan, Ying Xu, Hong-Yi Shen, Ming-Mei Zhou
Sleep loss or sleep deprivation (SD) refers to shorter sleep than average baseline need, and SD has been a serious problem of modern societies which affects health and well-being. Panax ginseng is a well-known traditional Chinese medicine (TCM). Our previous study has demonstrated that total ginsenosides (GS), the extracts from Panax ginseng, could effectively improve cognition and behavior on SD rats. However, little is known about its metabolomic study. In this study, serum and brain metabolomic method based on gas chromatography coupled with mass spectrometry (GC/MS) was employed to evaluate the efficacy and study the mechanism of GS on a rat model of SD...
2017: International Journal of Genomics
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