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https://www.readbyqxmd.com/read/29331872/effect-of-physical-activity-on-cognitive-flexibility-depression-and-rbd-in-healthy-elderly
#1
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/29331447/sharp-wave-ripples-as-a-signature-of-hippocampal-prefrontal-reactivation-for-memory-during-sleep-and-waking-states
#2
Wenbo Tang, Shantanu P Jadhav
It is widely believed that memories that are encoded and retrieved during waking behavior are consolidated during sleep. Recent studies on the interactions between the hippocampus and the prefrontal cortex have greatly advanced our understanding of the physiological bases of these memory processes. Although hippocampal-prefrontal network activity differs in many aspects during waking and sleep states, here we review evidence that hippocampal sharp-wave ripples (SWRs) emerge as a common neurophysiological pattern in both states, facilitating communication between these two regions via coordinated reactivation of stored memory information...
January 10, 2018: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/29323835/recurring-vivid-dreams-in-an-older-hmong-man-with-complex-trauma-experience-and-cognitive-impairment
#3
Wajih Askar, Ariba Khan, Soo Borson, Michael L Malone
INTRODUCTION: Health care workers need to consider the culture and ethnic preferences prevalent in the Hmong community in order to provide optimal care. We describe an older Hmong man to illustrate the challenges faced and competencies needed by primary care. CASE PRESENTATION: An 80-year-old non-English speaking Hmong man with diabetes, nerve sheath tumor, and hypertension presented to the outpatient clinic with his grandson complaining of sleep problems. He had had 2 vivid recurring dreams during the previous few months...
August 2017: WMJ: Official Publication of the State Medical Society of Wisconsin
https://www.readbyqxmd.com/read/29322574/effects-of-sleep-on-the-realization-of-complex-plans
#4
Christine Barner, Mareike Altgassen, Jan Born, Susanne Diekelmann
Sleep consolidates newly encoded memories, particularly those memories that are relevant for future behaviour. This study explored whether sleep facilitates the successful execution of relatively complex plans in the future. We applied the Dresden Breakfast Task, in which subjects are instructed to prepare a virtual breakfast comprising several tasks (e.g. table-setting, preparing eggs). After forming a detailed plan how to realize these tasks, the sleep group (n = 17) spent a night of sleep at home, monitored by polysomnography, and the wake group (n = 19) spent a normal day awake, monitored by actigraphy...
January 10, 2018: Journal of Sleep Research
https://www.readbyqxmd.com/read/29318855/-effects-of-acupuncture-at-shenmen-ht-7-on-brainwaves-and-cognitive-ability-in-rats-with-sleep-deprivation
#5
Jia Li, Jiao-Ping Liu
OBJECTIVE: To observe the effects of acupuncture at "Shenmen" (HT 7) on brainwaves and cognitive ability in rats with sleep deprivation. METHODS: SD rats were randomly divided into control group, model group, acupuncture group and sham acupuncture group, 15 rats in each group. Insomnia model rats were established by sleep deprivation for 72 hours. Acupuncture was applied to acupuncture group at bilateral "Shenmen" (HT 7) for 20 min, once daily for 7 days. Rats in the sham acupuncture group received superficial insertion of 1 mm and without retaining needle...
December 25, 2017: Zhen Ci Yan Jiu, Acupuncture Research
https://www.readbyqxmd.com/read/29317463/task-errors-by-emergency-physicians-are-associated-with-interruptions-multitasking-fatigue-and-working-memory-capacity-a-prospective-direct-observation-study
#6
Johanna I Westbrook, Magda Raban, Scott R Walter, Heather Douglas
BACKGROUND: Interruptions and multitasking have been demonstrated in experimental studies to reduce individuals' task performance. These behaviours are frequently used by clinicians in high-workload, dynamic clinical environments, yet their effects have rarely been studied. OBJECTIVE: To assess the relative contributions of interruptions and multitasking by emergency physicians to prescribing errors. METHODS: 36 emergency physicians were shadowed over 120 hours...
January 9, 2018: BMJ Quality & Safety
https://www.readbyqxmd.com/read/29315955/prevalence-of-physical-problems-detected-by-the-distress-thermometer-and-problem-list-in-patients-with-breast-cancer
#7
Daniel C McFarland, Kelly M Shaffer, Amy Tiersten, Jimmie Holland
BACKGROUND: Patients with breast cancer have high rates of physical symptoms that negatively impact their quality of life. The relationship between women's perceptions of these physical symptoms and patient demographic and breast cancer characteristics is less well known. This study describes breast cancer patients' physical symptoms and their relationship with patient characteristics. METHODS: Patients (n=125) with breast cancer (Stage 0-IV) completed questionnaires in a dedicated academic medical center breast cancer clinic...
January 5, 2018: Psycho-oncology
https://www.readbyqxmd.com/read/29315202/the-effects-of-white-noise-on-agitated-behaviors-mental-status-and-activities-of-daily-living-in-older-adults-with-dementia
#8
Li-Wei Lin, Shu-Chuan Weng, Hua-Shan Wu, Lu-Jen Tsai, Ya-Ling Lin, Shu-Hui Yeh
BACKGROUND: The aging of society is a global trend, and care of older adults with dementia is an urgent challenge. As dementia progresses, patients exhibit negative emotions, memory disorders, sleep disorders, and agitated behavior. Agitated behavior is one of the most difficult problems for family caregivers and healthcare providers to handle when caring for older adults with dementia. PURPOSE: The aim of this study was to investigate the effectiveness of white noise in improving agitated behavior, mental status, and activities of daily living in older adults with dementia...
February 2018: Journal of Nursing Research: JNR
https://www.readbyqxmd.com/read/29314866/spearmint-extract-improves-working-memory-in-men-and-women-with-age-associated-memory-impairment
#9
Kelli A Herrlinger, Kristin M Nieman, Kristen D Sanoshy, Brenda A Fonseca, Joanne A Lasrado, Arianne L Schild, Kevin C Maki, Keith A Wesnes, Michael A Ceddia
OBJECTIVE: The purpose of this study was to investigate the effects of supplementation with a spearmint (Mentha spicata L.) extract, high in polyphenols including rosmarinic acid, on cognitive performance, sleep, and mood in individuals with age-associated memory impairment (AAMI). DESIGN: Subjects with AAMI (N = 90; 67% female; age = 59.4 ± 0.6 years) were randomly assigned (n = 30/group) to consume 900, 600, or 0 mg/day (two capsules, once daily) spearmint extract for 90 days, in this double-blind, placebo-controlled trial...
January 9, 2018: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/29310453/the-relationship-between-sleep-quality-and-fibromyalgia-symptoms
#10
Alexandro Andrade, Guilherme Torres Vilarino, Sofia Mendes Sieczkowska, Danilo Reis Coimbra, Guilherme Guimarães Bevilacqua, Ricardo de Azevedo Klumb Steffens
This study investigated the relationship between sleep quality and fibromyalgia symptoms in 326 patients. The Pittsburgh Sleep Quality Index was used to assess the presence of sleep disorders. Multivariate analysis of variance was performed to determine the influence of fibromyalgia symptoms on sleep quality. The prevalence of sleep disorders was 92.9 percent. Patients reported generalized pain (88.3%), memory failure (78.5%), moodiness (59%), excessive anxiety (77.5%), and concentration difficulties (69...
January 1, 2018: Journal of Health Psychology
https://www.readbyqxmd.com/read/29307593/transcranial-near-infrared-photobiomodulation-attenuates-memory-impairment-and-hippocampal-oxidative-stress-in-sleep-deprived-mice
#11
Farzad Salehpour, Fereshteh Farajdokht, Marjan Erfani, Saeed Sadigh-Eteghad, Siamak Sandoghchian Shotorbani, Michael R Hamblin, Pouran Karimi, Seyed Hossein Rasta, Javad Mahmoudi
Sleep deprivation (SD) causes oxidative stress in the hippocampus and subsequent memory impairment. In this study, the effect of near-infrared (NIR) photobiomodulation (PBM) on learning and memory impairment induced by acute SD was investigated. The mice were subjected to an acute SD protocol for 72 hr. Simultaneously, NIR PBM using a laser at 810 nm was delivered (once a day for 3 days) transcranially to the head to affect the entire brain of mice. The Barnes maze and the What-Where-Which task were used to assess spatial and episodic-like memories...
January 4, 2018: Brain Research
https://www.readbyqxmd.com/read/29306708/the-influence-of-rem-sleep-and-sws-on-emotional-memory-consolidation-in-participants-reporting-depressive-symptoms
#12
Marcus O Harrington, Jennifer M Johnson, Harriet E Croom, Kyla Pennington, Simon J Durrant
Negative emotional memory bias is thought to play a causal role in the onset and maintenance of major depressive disorder. Rapid Eye Movement (REM) sleep has been shown to selectively consolidate negative emotional memories in healthy participants, and is greater in quantity and density in depressed patients. Slow-Wave Sleep (SWS) is typically associated with the consolidation of non-emotional memories. However, the effects of REM sleep and SWS on emotional memory consolidation have not been investigated in participants reporting depressive symptoms...
December 15, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29306697/current-sleep-disturbance-in-older-people-with-a-lifetime-history-of-depression-is-associated-with-increased-connectivity-in-the-default-mode-network
#13
Andrew C McKinnon, Ian B Hickie, Jan Scott, Shantel L Duffy, Louisa Norrie, Zoe Terpening, Ron R Grunstein, Jim Lagopoulos, Jennifer Batchelor, Simon J G Lewis, James M Shine, Sharon L Naismith
BACKGROUND: The present study investigated Default Mode Network (DMN) functional connectivity in subjects with a lifetime history of major depression, comparing those with and without current sleep disturbance. Controls were included to assess DMN abnormalities specific to depression. METHODS: A total of 93 adults aged 50 years and over were recruited from the Healthy Brain Ageing Clinic at the Brain and Mind Centre, Sydney, Australia. The sample comprised two groups, including 22 controls and 71 participants with a lifetime history of DSM-IV major depression (with depressive episode current or remitted)...
December 29, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29305874/an-erp-study-of-multidimensional-source-retrieval-in-depression
#14
Elyssa M Barrick, Daniel G Dillon
We collected event-related potentials (ERPs) from 24 unmedicated adults with Major Depressive Disorder (MDD) and 24 controls during source memory retrieval. Words were encoded on the left or right during animacy and mobility judgments. Mobility judgments were slower than animacy judgments, suggesting deeper encoding. Participants then recalled the encoding judgment (Question cue) and position (Side cue) for each word. Depressed adults, but not controls, showed better accuracy for words from the mobility task presented under the Question vs...
January 3, 2018: Biological Psychology
https://www.readbyqxmd.com/read/29295017/client-violence-against-youth-care-workers-findings-of-an-exploratory-study-of-workforce-issues-in-residential-treatment
#15
Yvonne Smith, Lex Colletta, Anna E Bender
Residential treatment centers (RTCs) for youth are plagued by high turnover of youth care workers who provide round-the-clock treatment and supervision to youth with severe affective and behavioral problems. This article presents findings from a 15-month ethnographic study of workforce issues in one RTC related to youth care workers' exposure to client violence (CV). Findings are based on 65 semistructured interviews and 490 hours of participant observation with consenting employees. Participants reported CV incidents, including punching, kicking, biting, hair pulling, choking, threats or assaults with a weapon, and other physical and sexualized violence...
December 1, 2017: Journal of Interpersonal Violence
https://www.readbyqxmd.com/read/29291035/the-potential-use-of-physical-resilience-to-predict-healthy-aging
#16
REVIEW
Anna Schorr, Christy Carter, Warren Ladiges
Physical resilience is the ability of an organism to respond to stressors that acutely disrupt normal physiological homeostasis. By definition, resilience decreases with increasing age, while frailty, defined as a decline in tissue function, increases with increasing age. Assessment of resilience could therefore be an informative early paradigm to predict healthy aging compared to frailty, which measures late life dysfunction. Parameters for resilience in the laboratory mouse are not yet well defined, and no single standardized stress test exists...
2018: Pathobiology of Aging & Age related Diseases
https://www.readbyqxmd.com/read/29290208/quality-of-life-among-postmenopausal-women-enrolled-in-the-minnesota-green-tea-trial
#17
Allison Dostal Webster, Deborah A Finstad, Mindy S Kurzer, Carolyn J Torkelson
BACKGROUND: Postmenopausal symptomatology has not been elucidated in large, long-term human clinical trials. Our objective was to measure quality of life in postmenopausal women aged 50-70 years. METHODS: A Menopause-Specific Quality of Life-Intervention (MENQOL) questionnaire was completed by women enrolled in the Minnesota Green Tea Trial (n=932) to assess vasomotor, physical, sexual, and psychosocial symptoms in the years following menopause. Responses were coded; mean overall and domain scores ranged from 1 to 8...
February 2018: Maturitas
https://www.readbyqxmd.com/read/29287793/the-protective-effect-of-20-s-protopanaxadiol-ppd-against-chronic-sleep-deprivation-csd-induced-memory-impairments-in-mice
#18
Cong Lu, Liming Dong, Jingwei Lv, Yan Wang, Bei Fan, Fengzhong Wang, Xinmin Liu
Sleep deprivation (SD) is associated with oxidative stress that causes learning and memory impairment. 20(S)-Protopanaxadiol (PPD), one of the protopanaxadiol-type saponins, has antioxidant and neuroprotective effect. This study was designed to research the protective effect of PPD against cognitive deficits induced by chronic sleep deprivation (CSD) in mice. The CSD model was induced by subjecting the mice to our self-made Sleep Interruption Apparatus (SIA) continuously for 14 days. The memory enhancing effects of PPD were evaluated by behavioral tests and the related mechanism was further explored by observing the oxidative stress changes in the cortex and hippocampus of mice...
December 26, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/29284109/morin-hydrate-mitigates-rapid-eye-movement-sleep-deprivation-induced-neurobehavioural-impairments-and-loss-of-viable-neurons-in-the-hippocampus-of-mice
#19
Elizabeth T Olonode, Adegbuyi O Aderibigbe, Olusegun A Adeoluwa, Anthony T Eduviere, Benneth Ben-Azu
Rapid eye movement sleep deprivation distorts the body's homeostasis and results in oxidative breakdown which may be responsible for a variety of neurological disorders. Some naturally occurring compounds of plant origin with antioxidant and neuroprotective properties are known to attenuate the detrimental effects of REM sleep deprivation. Morin hydrate, a flavonoid from Mulberry has demonstrated antioxidant and neuroprotective activities but its effect in sleep disturbed mice is unknown. The study was designed to explore the neuroprotective effect of Morin hydrate on 48 hr...
December 25, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/29278685/brain-plasticity-and-sleep-implication-for-movement-disorders
#20
REVIEW
Serena Caverzasio, Ninfa Amato, Mauro Manconi, Chiara Prosperetti, Alain Kaelin-Lang, William Duncan Hutchison, Salvatore Galati
Brain plasticity is a lifelong process and involves both Hebbian and non-Hebbian synaptic plasticity. The latter, such as intrinsic plasticity and homeostatic synaptic plasticity or synaptic scaling, is thought to counteract Hebbian plasticity, in order to maintain a balanced network. Recent studies support the role of sleep in the regulation of homeostatic synaptic plasticity involved in memory and learning processes. Most evidence focus on the dependence of memory and plasticity in sleep mechanisms. Abnormal brain plasticity during sleep might be implicated in the development of movement disorders, particularly Parkinson's disease (PD) and dystonia...
December 23, 2017: Neuroscience and Biobehavioral Reviews
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