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https://www.readbyqxmd.com/read/28633326/the-association-between-subjective-memory-complaints-and-sleep-within-older-african-american-adults
#1
Alyssa A Gamaldo, Regina S Wright, Adrienne T Aiken-Morgan, Jason C Allaire, Roland J Thorpe, Keith E Whitfield
Objective: The purpose of the current study is to examine the association between subjective memory complaints and sleep (quantity and quality) in African American older adults. Method: Participants from the Baltimore Study of Black Aging (BSBA; n = 351; mean age = 71.99) completed a self-report sleep scale, subjective memory complaint scale, global cognitive status measure, and demographic questionnaire. Results: Worse overall sleep quality was significantly associated with subjective reports of difficulty recalling the placement of objects, recalling specific facts from reading materials, and worse memory currently compared to the past...
June 13, 2017: Journals of Gerontology. Series B, Psychological Sciences and Social Sciences
https://www.readbyqxmd.com/read/28623948/one-carbon-metabolism-cognitive-impairment-and-csf-measures-of-alzheimer-pathology-homocysteine-and-beyond
#2
Loïc Dayon, Seu Ping Guiraud, John Corthésy, Laeticia Da Silva, Eugenia Migliavacca, Domilė Tautvydaitė, Aikaterini Oikonomidi, Barbara Moullet, Hugues Henry, Sylviane Métairon, Julien Marquis, Patrick Descombes, Sebastiano Collino, François-Pierre J Martin, Ivan Montoliu, Martin Kussmann, Jérôme Wojcik, Gene L Bowman, Julius Popp
BACKGROUND: Hyperhomocysteinemia is a risk factor for cognitive decline and dementia, including Alzheimer disease (AD). Homocysteine (Hcy) is a sulfur-containing amino acid and metabolite of the methionine pathway. The interrelated methionine, purine, and thymidylate cycles constitute the one-carbon metabolism that plays a critical role in the synthesis of DNA, neurotransmitters, phospholipids, and myelin. In this study, we tested the hypothesis that one-carbon metabolites beyond Hcy are relevant to cognitive function and cerebrospinal fluid (CSF) measures of AD pathology in older adults...
June 17, 2017: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/28622606/dementia-correlates-with-anticoagulation-underuse-in-older-patients-with-atrial-fibrillation
#3
Giovanni Viscogliosi, Evaristo Ettorre, Iulia Maria Chiriac
OBJECTIVES: Stroke prevention in older atrial fibrillation (AF) patients remains a challenge. This study aimed to investigate whether a dementia diagnosis is an independent correlate of lower prescription rate of oral anticoagulant treatment (OAT) in a sample of older AF patients. METHODS: Cross-sectional retrospective study. Consecutive older community-dwelling AF patients referred for a comprehensive geriatric assessment, were considered. Evaluation of physical, social and mental health, and administration of the Cumulative Illness Rating Scale (CIRS) and Barthel Index were performed...
June 8, 2017: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/28620919/meaningful-use-of-computers-has-a-potential-therapeutic-and-preventative-role-in-dementia-care-a-systematic-review
#4
REVIEW
Jimmy Liapis, Katherine E Harding
OBJECTIVE: Personal computers provide an increasingly accessible resource for leisure, social engagement and activities of daily living. This systematic review aimed to explore preventative or therapeutic benefits of such technology in people at risk of, or living with, dementia. METHODS: A systematic search of health databases combined key concepts of dementia and computer use. Inclusion criteria were applied, studies appraised for quality and results synthesised descriptively...
June 15, 2017: Australasian Journal on Ageing
https://www.readbyqxmd.com/read/28617099/characterising-omission-errors-in-everyday-task-completion-and-cognitive-correlates-in-individuals-with-mild-cognitive-impairment-and-dementia
#5
Jenna Beaver, Kaci B Wilson, Maureen Schmitter-Edgecombe
OBJECTIVE: Functional ability declines with age and cognitive impairment. This study investigated errors of omission made by community-dwelling older adults completing everyday tasks in a naturalistic setting. METHOD: Sixty-five cognitively healthy older adults (HOA), 19 individuals with single domain mild cognitive impairment (sdMCI), 33 individuals with multi-domain MCI (mdMCI), and 13 individuals with dementia completed measures of memory, processing speed, working memory, and executive functioning, as well as eight different activities of daily living in a naturalistic environment...
June 14, 2017: Neuropsychological Rehabilitation
https://www.readbyqxmd.com/read/28616381/anosognosia-for-memory-deficits-in-mild-cognitive-impairment-insight-into-the-neural-mechanism-using-functional-and-molecular-imaging
#6
Patrizia Vannini, Bernard Hanseeuw, Catherine E Munro, Rebecca E Amariglio, Gad A Marshall, Dorene M Rentz, Alvaro Pascual-Leone, Keith A Johnson, Reisa A Sperling
Anosognosia, or loss of insight of memory deficits, is a common and striking symptom in Alzheimer's disease (AD). Previous findings in AD dementia patients suggest that anosognosia is due to both functional metabolic changes within cortical midline structures involved in self-referential processes, as well as functional disconnection between these regions. The present study aims to extend these findings by investigating the neural correlates of anosognosia in the prodromal stage of AD. Here, we used regional brain metabolism (resting state 18-F fluorodeoxyglucose positron emission tomography (FDG-PET)) to unravel the metabolic correlates of anosognosia in subjects with amnestic mild cognitive impairment (aMCI) and subsequently resting state functional magnetic resonance imaging (rs-fMRI) to investigate the intrinsic connectivity disruption between brain regions...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28605723/a-combined-cognitive-and-gait-quantification-to-identify-normal-pressure-hydrocephalus-from-its-mimics-the-geneva-s-protocol
#7
Gilles Allali, Magali Laidet, Stéphane Armand, Shahan Momjian, Bruno Marques, Arnaud Saj, Frédéric Assal
OBJECTIVES: Idiopathic normal pressure hydrocephalus (iNPH) is very prevalent in aging, underdiagnosed, and represents a rare cause of reversible neurological condition. The clinical triad of iNPH - gait, cognitive and urinary symptoms - and its neuroradiological features (i.e. ventriculomegaly) are not specific and found a various neurodegenerative and/or vascular conditions. We present our iNPH standardized protocol at the Geneva University Hospitals involving a multispecialty team of behavioral neurologists, neurosurgeons, neuropsychologists, engineers, and physical therapists...
June 6, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28598846/neuropsychiatric-symptoms-and-cognitive-impairment-understanding-the-importance-of-co-morbid-symptoms
#8
Moyra E Mortby, Richard Burns, Ranmalee Eramudugolla, Zahinoor Ismail, Kaarin J Anstey
BACKGROUND: Neuropsychiatric symptoms (NPS) are common in older adults with cognitive impairment, yet little is known about population-based prevalence and clinical implications of co-morbid symptom presentation across the spectrum from normal cognition to dementia. OBJECTIVE: To characterize the prevalence of NPS and explore the clinical implications of co-morbid symptom presentation. METHODS: Cross-sectional study of 1,417 older adults (aged 73-79) with dementia (n = 40); with mild cognitive impairment (MCI; n = 133); who are 'cognitively normal, but-at-risk' (CN-AR; n = 397); and who are cognitively normal (n = 847)...
June 3, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28598841/effects-of-exercise-on-type-2-diabetes-mellitus-related-cognitive-impairment-and%C3%A2-dementia
#9
Michele Callisaya, Kazunori Nosaka
Cognitive impairment and dementia are common contributors to institutionalization and loss of quality of life in older people. Both type 2 diabetes mellitus (T2DM) and physical inactivity are prevalent and important modifiable risk factors for developing dementia. Physical activity is recommended in the management of T2DM, and there is growing evidence that exercise, a subgroup of physical activity, is also beneficial for maintaining and improving brain structure and function. This paper reviews the evidence for a benefit of exercise on T2DM related cognitive impairment and dementia...
June 6, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28596117/disrupted-white-matter-structural-networks-in-healthy-older-adults-apoe-%C3%AE%C2%B54-carriers-an-international-multicenter-dti-study
#10
Enrica Cavedo, Simone Lista, Katrine Rojkova, Patrizia Andrea Chiesa, Marion Houot, Katharina Brueggen, Janusch Blautzik, Arun L W Bokde, Bruno Dubois, Frederik Barkhof, Petra J W Pouwels, Stefan Teipel, Harald Hampel
The ε4 allelic variant of the Apolipoprotein E gene (APOE ε4) is the best-established genetic risk factor for late-onset Alzheimer's disease (AD). White matter (WM) microstructural damages measured with Diffusion Tensor Imaging (DTI) represent an early sign of fiber tract disconnection in AD. We examined the impact of APOEε4 on WM microstructure in elderly individuals from the multicenter European DTI Study on Dementia. Voxelwise statistical analysis of Fractional anisotropy (FA), mean diffusivity, radial and axial diffusivity (MD, radD and axD respectively) was carried out using Tract-Based Spatial Statistics...
June 5, 2017: Neuroscience
https://www.readbyqxmd.com/read/28592457/functional-network-integrity-presages-cognitive-decline-in-preclinical-alzheimer-disease
#11
Rachel F Buckley, Aaron P Schultz, Trey Hedden, Kathryn V Papp, Bernard J Hanseeuw, Gad Marshall, Jorge Sepulcre, Emily E Smith, Dorene M Rentz, Keith A Johnson, Reisa A Sperling, Jasmeer P Chhatwal
OBJECTIVE: To examine the utility of resting-state functional connectivity MRI (rs-fcMRI) measurements of network integrity as a predictor of future cognitive decline in preclinical Alzheimer disease (AD). METHODS: A total of 237 clinically normal older adults (aged 63-90 years, Clinical Dementia Rating 0) underwent baseline β-amyloid (Aβ) imaging with Pittsburgh compound B PET and structural and rs-fcMRI. We identified 7 networks for analysis, including 4 cognitive networks (default, salience, dorsal attention, and frontoparietal control) and 3 noncognitive networks (primary visual, extrastriate visual, motor)...
June 7, 2017: Neurology
https://www.readbyqxmd.com/read/28586818/association-between-persistent-pain-and-memory-decline-and-dementia-in-a-longitudinal-cohort-of-elders
#12
Elizabeth L Whitlock, L Grisell Diaz-Ramirez, M Maria Glymour, W John Boscardin, Kenneth E Covinsky, Alexander K Smith
Importance: Chronic pain is common among the elderly and is associated with cognitive deficits in cross-sectional studies; the population-level association between chronic pain and longitudinal cognition is unknown. Objective: To determine the population-level association between persistent pain, which may reflect chronic pain, and subsequent cognitive decline. Design, Setting, and Participants: Cohort study with biennial interviews of 10 065 community-dwelling older adults in the nationally representative Health and Retirement Study who were 62 years or older in 2000 and answered pain and cognition questions in both 1998 and 2000...
June 5, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/28585932/plasma-rest-a-novel-candidate-biomarker-of-alzheimer-s-disease-is-modified-by-psychological-intervention-in-an-at-risk-population
#13
N J Ashton, A Hye, C A Leckey, A R Jones, A Gardner, C Elliott, J L Wetherell, E J Lenze, R Killick, N L Marchant
The repressor element 1-silencing transcription (REST) factor is a key regulator of the aging brain's stress response. It is reduced in conditions of stress and Alzheimer's disease (AD), which suggests that increasing REST may be neuroprotective. REST can be measured peripherally in blood plasma. Our study aimed to (1) examine plasma REST levels in relation to clinical and biological markers of neurodegeneration and (2) alter plasma REST levels through a stress-reduction intervention-mindfulness training. In study 1, REST levels were compared across the following four well-characterized groups: healthy elderly (n=65), mild cognitive impairment who remained stable (stable MCI, n=36), MCI who later converted to dementia (converter MCI, n=29) and AD (n=65) from the AddNeuroMed cohort...
June 6, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28582859/blood-pressure-and-hispanic-latino-cognitive-function-hispanic-community-health-study-study-of-latinos-results
#14
Wassim Tarraf, Carlos J Rodríguez, Martha L Daviglus, Melissa Lamar, Neil Schneiderman, Linda Gallo, Gregory A Talavera, Robert C Kaplan, Myriam Fornage, Alan Conceicao, Hector M González
BACKGROUND: Hispanics/Latinos are at increased risk for cardiovascular disease and cognitive decline and dementias. High blood pressure (BP) has been implicated in both stroke and dementias. Associations between BP and cognition among diverse Latinos are still unpublished. OBJECTIVE: We examined associations between cognition and four BP based measures among diverse Hispanics/Latinos. We hypothesized that higher BP, particularly systolic pressure, and increased arterial stiffness (i...
May 30, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28575565/eeg-neurofeedback-training-and-quality-of-life-of-institutionalized-elderly-women-a-pilot-study
#15
L Van Eijk, S A Zwijsen, D Keeser, J M Oosterman, O Pogarell, H J Engelbregt
This pilot study attempted to study the applicability of neurofeedback for elderly persons living in nursing homes. We hypothesized an improve of cognitive functioning and the independence in daily life (IDL) of elderly people by using low beta (12-15HZ) EEG neurofeedback training (E-NFT). The participants (active E-NFT group, n=10; control group, n=6) were community living elderly women without dementia. Neurofeedback training was adjusted ten times within 9 weeks, with a training duration of 21 minutes by use of a single electrode, which was centrally placed on the skull surface...
2017: Advances in Gerontology, Uspekhi Gerontologii
https://www.readbyqxmd.com/read/28572521/the-feeding-paradox-in-advanced-dementia-a-local-perspective
#16
J Kh Luk, F Hw Chan, E Hui, C Y Tse
Feeding problems are common in older people with advanced dementia. When eating difficulties arise tube feeding is often initiated, unless there is a valid advance directive that refuses enteral feeding. Tube feeding has many pitfalls and complications. To date, no benefits in terms of survival, nutrition, or prevention of aspiration pneumonia have been demonstrated. Careful hand feeding is an alternative to tube feeding with advanced dementia. In Hong Kong, the Hospital Authority has established clear ethical guidelines for careful hand feeding...
June 2017: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/28566307/central-adiposity-and-the-overweight-risk-paradox-in-aging-follow-up-of-130-473-uk-biobank-participants
#17
Kirsty Bowman, Janice L Atkins, João Delgado, Katarina Kos, George A Kuchel, Alessandro Ble, Luigi Ferrucci, David Melzer
Background: For older groups, being overweight [body mass index (BMI; in kg/m(2)): 25 to <30] is reportedly associated with a lower or similar risk of mortality than being normal weight (BMI: 18.5 to <25). However, this "risk paradox" is partly explained by smoking and disease-associated weight loss. This paradox may also arise from BMI failing to measure fat redistribution to a centralized position in later life.Objective: This study aimed to estimate associations between combined measurements of BMI and waist-to-hip ratio (WHR) with mortality and incident coronary artery disease (CAD)...
May 31, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28562815/health-conditions-and-memory-performance-a-study-with-older-adult-women
#18
Alice Milani Nespollo, Samira Reschetti Marcon, Nathalie Vilma Pollo de Lima, Tatiane Lebre Dias, Mariano Martínez Espinosa
Objective: to verify the correlation between health condition and memory performance of older adult women in the community. Method: Analytical cross-sectional study developed with 28 older adult women living in Cuiabá-MT. They answered the Mini-Mental State Examination (MMSE), and a shortened Geriatric Depression Scale (GDS-15) to screen for dementia and depression symptoms. Memory skills were assessed through Rey Auditory Verbal Learning Test (RAVLT). Results: The mean age was 66...
May 2017: Revista Brasileira de Enfermagem
https://www.readbyqxmd.com/read/28556867/voicing-ageism-in-nursing-home-dementia-care
#19
Kristine Williams, Clarissa Shaw, Alexandria Lee, Sohyun Kim, Emma Dinneen, Margaret Turk, Ying-Ling Jao, Wen Liu
Elderspeak (i.e., infantilizing communication) is a common form of ageism that has been linked to resistiveness to care in nursing home residents with dementia. Nursing home staff use elderspeak by modifying speech with older residents based on negative stereotypes, which results in patronizing communication that provides a message of incompetence. The purpose of the current secondary analysis was to describe communication practices used by nursing home staff that reflect ageism. Transcripts of 80 video recordings of staff-resident communication collected during nursing home care activities were re-analyzed to identify specific elderspeak patterns, including diminutives, collective pronouns, tag questions, and reflectives...
May 30, 2017: Journal of Gerontological Nursing
https://www.readbyqxmd.com/read/28555103/blood-pressure-control-in-aging-predicts-cerebral-atrophy-related-to-small-vessel-white-matter-lesions
#20
Kyle C Kern, Clinton B Wright, Kaitlin L Bergfield, Megan C Fitzhugh, Kewei Chen, James R Moeller, Nooshin Nabizadeh, Mitchell S V Elkind, Ralph L Sacco, Yaakov Stern, Charles S DeCarli, Gene E Alexander
Cerebral small-vessel damage manifests as white matter hyperintensities and cerebral atrophy on brain MRI and is associated with aging, cognitive decline and dementia. We sought to examine the interrelationship of these imaging biomarkers and the influence of hypertension in older individuals. We used a multivariate spatial covariance neuroimaging technique to localize the effects of white matter lesion load on regional gray matter volume and assessed the role of blood pressure control, age and education on this relationship...
2017: Frontiers in Aging Neuroscience
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