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Sleep disorders and cognitive

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https://www.readbyqxmd.com/read/29337407/insufficient-sleep-syndrome-an-unrecognized-but-important-clinical-entity
#1
Jun Kohyama, Yuki Anzai, Makoto Ono, Ai Kishino, Keita Tamanuki, Kazuma Takada, Kento Inoue, Maho Horiuchi, Yoshiho Hatai
BACKGROUND: In the Tokyo Bay Urayasu Ichikawa Medical Centre, a sleep clinic for adults and children was established in August 2012. As few sleep clinics are available in Japan that are specifically for children, this clinic provides the opportunity to provide data on child patients who have been suffering from sleep problems and who visited the sleep clinic. METHODS: Records of patients who visited the sleep clinic at the Tokyo Bay Urayasu Ichikawa Medical Centre at the age of 20 years or younger on their first visit were retrospectively examined, and their initial and final diagnoses were examined...
January 16, 2018: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/29332862/using-relaxation-techniques-to-improve-sleep-during-naps
#2
Eden Debellemaniere, Danielle Gomez-Merino, Mégane Erblang, Rodolphe Dorey, Michel Genot, Edith Perreaut-Pierre, André Pisani, Laurent Rocco, Fabien Sauvet, Damien Léger, Arnaud Rabat, Mounir Chennaoui
Insufficient sleep is a common occurrence in occupational settings (e.g. doctors, drivers, soldiers). The resulting sleep debt can lead to daytime sleepiness, fatigue, mood disorder, and cognitive deficits as well as altered vascular, immune and inflammatory responses. Short daytime naps have been shown to be effective at counteracting negative outcomes related to sleep debt with positive effects on daytime sleepiness and performance after a normal or restricted night of sleep in laboratory settings. However, the environmental settings in the workplace and the emotional state of workers are generally not conducive to beneficial effects...
January 13, 2018: Industrial Health
https://www.readbyqxmd.com/read/29331872/effect-of-physical-activity-on-cognitive-flexibility-depression-and-rbd-in-healthy-elderly
#3
Stefanie Lerche, Alexandra Gutfreund, Kathrin Brockmann, Markus A Hobert, Isabel Wurster, Ulrike Sünkel, Gerhard W Eschweiler, Florian G Metzger, Walter Maetzler, Daniela Berg
OBJECTIVE: The prevalence of Alzheimer's disease and Parkinson's disease increases with the raising number of elderly, which will be a challenging situation for the healthcare systems and society in the future. There is evidence that there are modifiable risk-factors e.g. physical activity for these diseases. Here, we study the interaction between sports inactivity with prodromal markers for neurodegeneration. PATIENTS AND METHODS: We investigated 667 neurologically healthy individuals cross-sectional and a subgroup longitudinal over six years...
January 9, 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29329056/subjective-and-objective-sleep-discrepancy-in-symptomatic-bipolar-disorder-compared-to-healthy-controls
#4
Venkatesh Krishnamurthy, Dahlia Mukherjee, Aubrey Reider, Scott Seaman, Gagan Singh, Julio Fernandez-Mendoza, Erika Saunders
BACKGROUND: Bipolar disorder (BD) is associated with sleep misperception. The objective of this study was to investigate the correlation between subjective and objective measures of sleep in persons with symptomatic bipolar disorder (BDS) compared to healthy controls (HC). METHODS: We studied 24 BDS and 30 HC subjects similar in age, race and sex. Subjective sleep was measured with Pittsburgh Sleep Quality Index (PSQI) and objective sleep with 7-days of actigraphy...
January 3, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29322673/attentional-bias-towards-sleep-related-stimuli-in-insomnia-disorder-a-behavioural-and-erp-study
#5
Ningning Zhou, Chuanwen Zhao, Ting Yang, Sha Du, Meng Yu, Heyong Shen
Many studies have used behavioural experiments to show an attentional bias towards sleep-related stimuli in people with insomnia disorder. A measurement of event-related potential is needed to investigate the cognitive processing mechanism of the attentional process. The present study used the emotional Stroop paradigm and event-related potentials to measure attentional bias towards sleep-negative, sleep-positive and sleep-unrelated neutral words. The study comprised 16 participants with insomnia disorder and 15 participants who were good sleepers...
January 10, 2018: Journal of Sleep Research
https://www.readbyqxmd.com/read/29306906/-psychiatric-disorders-in-epilepsy-clinical-phenomena
#6
Anna Szucs, Andras Horvath, Daniel Fabo, Geza Szabo, Andrea Kovacs, Peter Halasz
The frequent psychiatric comorbidity in epilepsy compromises the quality of life of those affected, further increasing their suicide risk and the high burden of stigmatisation. Out of adulthood epilepsies, mesio-temporal lobe epilepsy carries the highest cognitive and psychiatric risk, making mental health comorbidities its inherent features. The pathomechanism of the epilepsy-related mental health symptoms and conditions appears to be related to undetected subclinical seizures, postictal exhaustion and inhibition, and the non-REM sleep related interictal epileptic activity...
September 2017: Neuropsychopharmacologia Hungarica
https://www.readbyqxmd.com/read/29306690/differential-change-on-depressive-symptom-factors-with-antidepressant-medication-and-cognitive-behavior-therapy-for-major-depressive-disorder
#7
Boadie W Dunlop, Steven P Cole, Charles B Nemeroff, Helen S Mayberg, W Edward Craighead
BACKGROUND: Major depressive disorder (MDD) is a heterogeneous condition and individual patients are likely to be differentially responsive to specific treatments. In an exploratory factor analysis of three rating scales, the Genome-based Therapeutic Drugs for Depression (GENDEP) trial identified three factors that were differentially associated with outcome to nortriptyline and escitalopram. However, this factor analysis has neither been replicated or applied to a psychotherapy treatment...
December 27, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29303101/-testosterone-therapy-indications-and-risks
#8
M G F Maatje, M Dinkelman-Smit, W P A Boellaard, G R Dohle
- Late onset hypogonadism (LOH) is a shortage of testosterone in adult men whose male development was normal. This form of hypogonadism results in decreased testosterone levels and variable gonadotrophin levels. - The symptoms of LOH are often aspecific and may be consistent with ageing in men: lowered libido, loss of strength, reduced cognitive functioning and disorders of sleeping and mood. - There is discussion about testosterone parameters, but if clinical symptoms are consistent with LOH and the testosterone level is < 8 nmol/l, hypogonadism is evidently indicated...
2018: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/29303070/is-there-a-role-for-lifestyle-interventions-in-obsessive-compulsive-and-related-disorders
#9
Leonardo F Fontenelle, Julliana N Quintas, Murat Yücel
Many of the currently available treatments for obsessive-compulsive and related disorders (OCRDs) such as pharmacotherapy augmentation strategies, partial hospitalization programs, deep brain stimulation, and neurosurgery are efficacious for individuals suffering from more severe forms of these conditions. Unfortunately, the application of these treatments in milder forms of illness and subclinical samples, which affect a substantial portion of the population, is not justifiable by their costs (e.g. cognitive-behavioral therapy) and/or potential for side effects (serotonin-reuptake inhibitors associated sexual side effects)...
January 4, 2018: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29289556/chronopathophysiological-implications-of-orexin-in-sleep-disturbances-and-lifestyle-related-disorders
#10
REVIEW
Hiroshi Tsuneki, Tsutomu Wada, Toshiyasu Sasaoka
Sleep, a mysterious behavior, has recently been recognized as a crucial factor for health and longevity. The daily sleep/wake cycle provides the basis of biorhythms controlling whole-body homeostasis and homeodynamics; therefore, disruption of sleep causes several physical and psychological disorders, including cardiovascular disease, obesity, diabetes, cancer, anxiety, depression, and cognitive dysfunction. However, the mechanism linking sleep disturbances and sleep-related disorders remains unknown. Orexin (also known as hypocretin) is a neuropeptide produced in the hypothalamus...
December 28, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29282408/behavioural-and-psychological-symptoms-of-dementia-correlates-and-impact-on-caregiver-distress
#11
Adreesh Mukherjee, Atanu Biswas, Arijit Roy, Samar Biswas, Goutam Gangopadhyay, Shyamal Kumar Das
Aims: To evaluate the behavioural and psychological symptoms of dementia (BPSD), to determine their correlation with types and stages of dementia and patient demographics, and to assess the impact on caregiver distress. Methods: This cross-sectional study recruited consecutive dementia patients and caregivers who attended our cognitive clinic. Standard criteria were used to classify types of dementia. BPSD were assessed with the Neuropsychiatric Inventory, and its distress scale was used for caregiver distress...
September 2017: Dementia and Geriatric Cognitive Disorders Extra
https://www.readbyqxmd.com/read/29280229/subjective-sleep-related-variables-in-those-who-have-and-have-not-experienced-sleep-paralysis
#12
Dan Denis, Christopher C French, Melanie N Schneider, Alice M Gregory
Research suggests that poor sleep quality is related to the occurrence of sleep paralysis, although the precise relationship between these two variables is unknown. This association has generated interest due to the related possibility that improving sleep quality could help to combat episodes of sleep paralysis. To date, studies examining the association between sleep quality and sleep paralysis have typically measured sleep quality using general measures such as the global score of the Pittsburgh Sleep Quality Index (PSQI)...
December 27, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/29274876/roles-of-tau-pathology-in-the-locus-coeruleus-lc-in-age-associated-pathophysiology-and-alzheimer-s-disease-pathogenesis-potential-strategies-to-protect-the-lc-against-aging
#13
Akiko Satoh, Koichi M Iijima
The locus coeruleus (LC) is the noradrenaline (norepinephrine, NE)-containing nucleus in the brainstem and innervates into widespread brain regions. This LC-NE system plays a critical role in a variety of brain functions, including attention, arousal, emotion, cognition, and the sleep-wake cycle. The LC is one of the brain regions vulnerable to the occurrence of neurofibrillary tangles (NFTs), which is associated with "primary age-related tauopathy (PART)" that describes the pathology commonly observed in the brains of aged individuals...
December 21, 2017: Brain Research
https://www.readbyqxmd.com/read/29261536/sleeping-tv-cognitively-stimulating-activities-physical-activity-and-adhd-symptom-incidence-in-children-a-prospective-study
#14
Gabriela P Peralta, Joan Forns, Manuela García de la Hera, Llúcia González, Mònica Guxens, Mónica López-Vicente, Jordi Sunyer, Judith Garcia-Aymerich
OBJECTIVE: To analyze associations between time spent sleeping, watching TV, engaging in cognitively stimulating activities, and engaging in physical activity, all at 4 years, and (1) attention-deficit/hyperactivity disorder (ADHD) symptoms and (2) behavior problems, both assessed at 7 years, in ADHD-free children at baseline. METHOD: In total, 817 participants of the Infancia y Medio Ambiente birth cohort, without ADHD at baseline, were included. At the 4-year follow-up, parents reported the time that their children spent sleeping, watching TV, engaging in cognitively stimulating activities, and engaging in physical activity...
December 18, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/29249505/early-life-epilepsies-are-a-comorbidity-of-developmental-brain-disorders
#15
Anne T Berg, Daniel Tarquinio, Sookyong Koh
Early-life epilepsies are a series of disorders frequently accompanied by a broad range of morbidities that include cognitive, behavioral, neuromuscular, and sleep disturbances; enteric and other forms of autonomic dysfunction; sensory processing difficulties; and other issues. Usually these morbidities cluster together in a single patient. Rather than these being separate conditions, all, including the seizures, are manifestations or coexpressions of developmental brain disorders. Instead of viewing epilepsy as the disease and the other features as comorbidities, approaching early-life epilepsies as part of the spectrum of developmental brain disorders could have implications for multidisciplinary care models, anticipatory guidance, and counseling of parents, as well as the design of randomized trials and targeting important outcomes...
November 2017: Seminars in Pediatric Neurology
https://www.readbyqxmd.com/read/29248294/phenotyping-of-per3-variants-reveals-widespread-effects-on-circadian-preference-sleep-regulation-and-health
#16
REVIEW
Simon N Archer, Christina Schmidt, Gilles Vandewalle, Derk-Jan Dijk
Period3 (Per3) is one of the most robustly rhythmic genes in humans and animals. It plays a significant role in temporal organisation in peripheral tissues. The effects of PER3 variants on many phenotypes have been investigated in targeted and genome-wide studies. PER3 variants, especially the human variable number tandem repeat (VNTR), associate with diurnal preference, mental disorders, non-visual responses to light, brain and cognitive responses to sleep loss/circadian misalignment. Introducing the VNTR into mice alters responses to sleep loss and expression of sleep homeostasis-related genes...
November 6, 2017: Sleep Medicine Reviews
https://www.readbyqxmd.com/read/29242263/temporal-trajectories-of-novel-object-recognition-performance-in-mice-exposed-to-intermittent-hypoxia
#17
David Gozal, Abdelnaby Khalyfa, Zhuanghong Qiao, Isaac Almendros, Ramon Farré
Intermittent hypoxia is one of the major perturbations of sleep-disordered breathing and has been causally implicated in neurocognitive deficits. However, the reversibility of such deficits is unclear.Male C57BL/6J mice were exposed to either intermittent hypoxia or room air for 3-240 days, and then half were randomly selected and allowed to recover in normoxic conditions for the same duration of the previous exposure. A novel object recognition (NOR) test was performed.NOR performance was stable over time in room air...
December 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29226069/do-older-adults-need-sleep-a-review-of-neuroimaging-sleep-and-aging-studies
#18
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/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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