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Aging memory

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https://www.readbyqxmd.com/read/28545247/how-does-psychosocial-behavior-contribute-to-cognitive-health-in-old-age
#1
Robert S Wilson, David A Bennett
With the aging of the U.S. population, the number of cognitively disabled persons is expected to substantially increase in coming decades, underscoring the urgent need for effective interventions. Here, we review the current evidence linking psychosocial factors to late-life cognitive loss and consider the study design needed to illuminate the biologic bases of the associations. We then examine an ongoing study that includes several of the key design elements, the Rush Memory and Aging Project. In this longitudinal clinical-pathological cohort study, indicators of personality, social connectedness, and psychological well-being were shown to predict late-life cognitive outcomes...
May 23, 2017: Brain Sciences
https://www.readbyqxmd.com/read/28545157/the-aminoestrogen-prolame-increases-recognition-memory-and-hippocampal-neuronal-spine-density-in-aged-mice
#2
Alfonso Diaz, Samuel Treviño, Rubén Vázquez-Roque, Berenice Venegas, Blanca Espinosa, Gonzalo Flores, Juan Manuel Fernández-G, Luis F Montaño, Jorge Guevara
The aging brain shows biochemical and morphological changes in the dendrites of pyramidal neurons from the limbic system associated with memory loss. Prolame (N-(3-hydroxy-1,3,5 (10) -estratrien-17β-yl) -3-hydroxypropylamine) is a non-feminizing aminoestrogen with antithrombotic activity that prevents neuronal deterioration, oxidative stress and neuroinflammation. Our aim was to evaluate the effect of prolame on motor and cognitive processes, as well as its influence on the dendritic morphology of neurons at the CA1, CA3 and granule cells of the dentate gyrus (DG) regions of hippocampus (HP), and medium spiny neurons of the nucleus accumbens (NAcc) of aged mice...
May 25, 2017: Synapse
https://www.readbyqxmd.com/read/28544954/long-term-attention-deficits-combined-with-subcortical-and-cortical-structural-central-nervous-system-alterations-in-young-adults-born-small-for-gestational-age
#3
Sabrina Suffren, Diego Angulo, Yang Ding, Pablo Reyes, Jorge Marin, Jose T Hernandez, Nathalie Charpak, Gregory A Lodygensky
BACKGROUND: Being born small for gestational age has been associated with neurodevelopmental disabilities and smaller gray matter volumes in childhood. However, it is not known if these changes persist in adults and whether SGA has any impact on attention memory and IQ. AIMS: The goal of this study was to evaluate the association between birth weight and gray matter anatomy in adults born small for gestational age at term, in relation to IQ, attention and memory...
May 22, 2017: Early Human Development
https://www.readbyqxmd.com/read/28544904/decreased-prefrontal-functional-brain-response-during-memory-testing-in-women-with-cushing-s-syndrome-in-remission
#4
Oskar Ragnarsson, Andreas Stomby, Per Dahlqvist, Johan A Evang, Mats Ryberg, Tommy Olsson, Jens Bollerslev, Lars Nyberg, Gudmundur Johannsson
Neurocognitive dysfunction is an important feature of Cushing's syndrome (CS). Our hypothesis was that patients with CS in remission have decreased functional brain responses in the prefrontal cortex and hippocampus during memory testing. In this cross-sectional study we included 19 women previously treated for CS and 19 controls matched for age, gender, and education. The median remission time was 7 (IQR 6-10) years. Brain activity was studied with functional magnetic resonance imaging during episodic- and working-memory tasks...
May 12, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28542444/regional-brain-amyloid-%C3%AE-accumulation-associates-with-domain-specific-cognitive-performance-in-parkinson-disease-without-dementia
#5
Rizwan S Akhtar, Sharon X Xie, Yin J Chen, Jacqueline Rick, Rachel G Gross, Ilya M Nasrallah, Vivianna M Van Deerlin, John Q Trojanowski, Alice S Chen-Plotkin, Howard I Hurtig, Andrew D Siderowf, Jacob G Dubroff, Daniel Weintraub
Parkinson disease patients develop clinically significant cognitive impairment at variable times over their disease course, which is often preceded by milder deficits in memory, visuo-spatial, and executive domains. The significance of amyloid-β accumulation to these problems is unclear. We hypothesized that amyloid-β PET imaging by 18F-florbetapir, a radiotracer that detects fibrillar amyloid-β plaque deposits, would identify subjects with global cognitive impairment or poor performance in individual cognitive domains in non-demented Parkinson disease patients...
2017: PloS One
https://www.readbyqxmd.com/read/28542392/acute-exercise-does-not-modify-brain-activity-and-memory-performance-in-app-ps1-mice
#6
Angelica Miki Stein, Victor Munive, Ana M Fernandez, Angel Nuñez, Ignacio Torres Aleman
Age is the main risk factor for Alzheimer´s disease (AD). With an increasingly aging population, development of affordable screening techniques to determine cognitive status will help identify population-at-risk for further follow-up. Because physical exercise is known to modulate cognitive performance, we used it as a functional test of cognitive health. Mice were submitted to treadmill running at moderate speed for 30 min, and their brain activity was monitored before and after exercise using electrocorticogram (ECG) recordings...
2017: PloS One
https://www.readbyqxmd.com/read/28542302/influence-of-catch-up-growth-on-spatial-learning-and-memory-in-a-mouse-model-of-intrauterine-growth-restriction
#7
Cristina Duran Fernandez-Feijoo, Cristina Carrasco Carrasco, Núria Villalmazo Francisco, Judit Cebrià Romero, Jose Ramon Fernández Lorenzo, J C Jiménez-Chillaron, Marta Camprubí Camprubí
BACKGROUND: Intrauterine growth restriction (IUGR) and rapid postnatal weight gain or catch up growth (CUG) increase the susceptibility to metabolic syndrome during adult life. Longitudinal studies have also revealed a high incidence of learning difficulties in children with IUGR. The aim of the present study was to investigate the effect of nutrition and CUG on learning memory in an IUGR animal model. We hypothesized that synaptic protein expression and transcription, an essential mechanism for memory consolidation, might be affected by intrauterine undernutrition...
2017: PloS One
https://www.readbyqxmd.com/read/28541754/overgeneral-autobiographical-memory-and-depression-in-older-adults-a-systematic-review
#8
F C L Wilson, J D Gregory
OBJECTIVES: Overgeneral autobiographical memory (OGM) is a well-researched phenomenon in working age adults with depression. However, the relevance and importance of OGM in older adult depression is not well established. The aim of this review was to synthesise existing literature on OGM and depressive symptoms in older adults under the framework of the Capture and Rumination, Functional Avoidance and Impaired Executive Control (CaR-FA-X) model. Is there an alternative to this as I thought references in abstracts were permissable under APA? METHOD: Literature searches were conducted using PsychINFO, PubMed and Web of Knowledge...
May 25, 2017: Aging & Mental Health
https://www.readbyqxmd.com/read/28541578/disrupted-development-and-integrity-of-frontal-white-matter-in-patients-treated-for-pediatric-medulloblastoma
#9
John O Glass, Robert J Ogg, Jung W Hyun, Julie H Harreld, Jane E Schreiber, Yimei Li, Amar J Gajjar, Wilburn E Reddick
Background.: Treatment of pediatric medulloblastoma is associated with known neurocognitive deficits that we hypothesize are caused by microstructural damage to frontal white matter (WM). Methods.: Longitudinal MRI examinations were collected from baseline (after surgery but before therapy) to 36 months in 146 patients and at 3 time points in 72 controls. Regional analyses of frontal WM volume and diffusion tensor imaging metrics were performed and verified with tract-based spatial statistics...
May 25, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28541543/validation-of-the%C3%A2-d%C3%A3-pistage-cognitif-de-qu%C3%A3-bec-a-new-cognitive-screening-tool-for-atypical-dementias
#10
Robert Laforce, Leila Sellami, David Bergeron, Audrey Paradis, Louis Verret, Marie-Pierre Fortin, Michèle Houde, Martin Roy, Stéphane Poulin, Joël Macoir, Carol Hudon, Rémi W Bouchard
Objective: This study aimed to validate and provide normative data for the Dépistage Cognitif de Québec (DCQ; www.dcqtest.org), a new cognitive screening tool for atypical dementias. Method: The DCQ was developed by expert behavioral neurologists and clinical neuropsychologists based on updated criteria for Alzheimer's disease, primary progressive aphasia, and behavioral variant frontotemporal dementia. It targets five relevant domains: Memory, Visuospatial, Executive, Language, and Behavior...
May 25, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28541410/contribution-of-socioeconomic-status-at-three-lifecourse-periods-to-late-life-memory-function-and-decline-early-and-late-predictors-of-dementia-risk
#11
Jessica R Marden, Eric J Tchetgen Tchetgen, Ichiro Kawachi, M Maria Glymour
Both early life and adult socioeconomic status (SES) predict late life level of memory; however, evidence is mixed on the relationship between SES and rate of memory decline. Further, the relative importance of different lifecourse periods for rate of late life memory decline has not been evaluated. We examined associations between lifecourse SES and late life memory function and decline. Health and Retirement Study participants (n = 10,781) were interviewed biennially from 1998-2012. SES measures for childhood (composite score including parents' educational attainment), early adulthood (high school or college completion), and older adulthood (income, mean age 66) were all dichotomized...
May 24, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28541386/factor-structure-and-measurement-invariance-of-the-coimbra-neuropsychological-assessment-battery-banc
#12
Octávio Moura, Cristina P Albuquerque, Maria Salomé Pinho, Manuela Vilar, Ana Filipa Lopes, Isabel Alberto, Marcelino Pereira, Maria João Seabra Santos, Mário R Simões
Objective: This study aimed to investigate the factor structure of the Coimbra Neuropsychological Assessment Battery (BANC), which is an individually administered battery designed to assess a wide range of neurocognitive functions in children. Method: Using the standardization sample of the BANC, a confirmatory factor analysis and a multiple-group analysis were conducted to examine the factor structure and the measurement invariance of three main domains (Memory, Language, and Attention/Executive Functions) in 833 children aged 7-15 years...
May 25, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28540926/entorhinal-cortical-deep-brain-stimulation-rescues-memory-deficits-in-both-young-and-old-mice-genetically-engineered-to-model-alzheimer-s-disease
#13
Frances Xia, Adelaide Yiu, Scellig Sd Stone, Soojin Oh, Andres M Lozano, Sheena A Josselyn, Paul W Frankland
Alzheimer's disease (AD) is a neurodegenerative disorder characterized by progressive cognitive decline. Deep brain stimulation (DBS) has been used to treat a variety of brain disorders and shows promise in alleviating cognitive symptoms in some AD patients (Laxton et al., 2010). We previously showed that DBS of the entorhinal cortex (EC) enhances spatial memory formation in normal (wild-type) mice (Stone et al., 2011). Here we tested the effects of EC-DBS on the progressive cognitive deficits in a genetically-based mouse model of AD...
May 25, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28540659/neuroprotective-benefits-of-aerobic-exercise-and-organoselenium-dietary-supplementation-in-hippocampus-of-old-rats
#14
José L Cechella, Marlon R Leite, Simone Pinton, Gilson Zeni, Cristina W Nogueira
The progressive decline of neurological functions, such as learning and memory, is an unavoidable consequence of aging. Our previous work suggested that the combination of physical exercise and a diet supplemented with diphenyl diselenide improves age-related memory decline in rats. The present study investigated the effects of physical exercise and a diet supplemented with diphenyl diselenide on the levels of proteins involved in the hippocampal neuroprotection to figure out the mechanisms related to the beneficial effects of this intervention in aged rats...
May 25, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28539944/the-behavior-rating-inventory-of-executive-function-and-continuous-performance-test-in-preschoolers-with-attention-deficit-hyperactivity-disorder
#15
H Tuna Çak, S Ebru Çengel Kültür, Bahar Gökler, Ferhunde Öktem, Candan Taşkıran
OBJECTIVE: The aim of this study is to examine performance-based measures and behavioral ratings of executive functions (EF) as a component of preschool attention deficit hyperactivity disorder (ADHD). METHODS: Twenty-one 4-to-6-year-old children with ADHD and 52 children with no psychopathology, matched on age, gender, socioeconomic status, and parental education, were enrolled. Parents were interviewed with the use of The Schedule for Affective Disorders and Schizophrenia for School-Age Children Present and Lifetime version...
May 2017: Psychiatry Investigation
https://www.readbyqxmd.com/read/28539885/intranasal-insulin-prevents-anesthesia-induced-cognitive-impairment-and-chronic-neurobehavioral-changes
#16
Yanxing Chen, Chun-Ling Dai, Zhe Wu, Khalid Iqbal, Fei Liu, Baorong Zhang, Cheng-Xin Gong
General anesthesia increases the risk for cognitive impairment post operation, especially in the elderly and vulnerable individuals. Recent animal studies on the impact of anesthesia on postoperative cognitive impairment have provided some valuable insights, but much remains to be understood. Here, by using mice of various ages and conditions, we found that anesthesia with propofol and sevoflurane caused significant deficits in spatial learning and memory, as tested using Morris Water Maze (MWM) 2-6 days after anesthesia exposure, in aged (17-18 months old) wild-type (WT) mice and in adult (7-8 months old) 3xTg-AD mice (a triple transgenic mouse model of Alzheimer's disease (AD)), but not in adult WT mice...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28539883/feature-binding-of-common-everyday-items-is-not-affected-by-age
#17
Serge Hoefeijzers, Alfredis González Hernández, Angela Magnolia Rios, Mario A Parra
There is a surge of studies confirming that old age spares the ability to bind in visual working memory (VWM) multiple features within singular object representations. Furthermore, it has been suggested that such ability may also be independent of the cultural background of the assessed individual. However, this evidence has been gathered with tasks that use arbitrary bindings of unfamiliar features. Whether age spares memory binding functions when the memoranda are features of everyday life objects remains less well explored...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28539089/simulating-real-life-exposures-to-uncover-possible-risks-to-human-health-a-proposed-consensus-for-a-novel-methodological-approach
#18
A M Tsatsakis, D Kouretas, M N Tzatzarakis, P Stivaktakis, K Tsarouhas, K S Golokhvast, V N Rakitskii, V A Tutelyan, A F Hernandez, R Rezaee, G Chung, C Fenga, A B Engin, M Neagu, A L Arsene, A O Docea, E Gofita, D Calina, I Taitzoglou, J Liesivuori, A W Hayes, S Gutnikov, C Tsitsimpikou
In real life, consumers are exposed to complex mixtures of chemicals via food, water and commercial products consumption. Since risk assessment usually focuses on individual compounds, the current regulatory approach doesn't assess the overall risk of chemicals present in a mixture. This study will evaluate the cumulative toxicity of mixtures of different classes of pesticides and mixtures of different classes of pesticides together with food additives (FAs) and common consumer product chemicals using realistic doses after long-term exposure...
June 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/28537327/associations-between-physical-activity-and-cognitive-functioning-among-middle-aged-and-older-adults
#19
C E Miyawaki, E D Bouldin, G S Kumar, L C McGuire
OBJECTIVES: To describe aerobic physical activity among middle-aged and older adults by their self-reported cognitive decline and their receipt of informal care for declines in cognitive functioning and most common type of physical activity. DESIGN: Cross-sectional study using data from the 2011 Behavioral Risk Factor Surveillance System. SETTING: Landline and cellular telephone survey. PARTICIPANTS: 93,082 respondents aged 45 years and older from 21 US states in 2011...
2017: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/28536974/neonatal-immune-challenge-with-lipopolysaccharide-triggers-long-lasting-sex-and-age-related-behavioral-and-immune-neurotrophic-alterations-in-mice-relevance-to-autism-spectrum-disorders
#20
Charllyany Sabino Custódio, Bruna Stefânia Ferreira Mello, Adriano José Maia Chaves Filho, Camila Nayane de Carvalho Lima, Rafaela Carneiro Cordeiro, Fábio Miyajima, Gislaine Z Réus, Silvânia Maria Mendes Vasconcelos, Tatiana Barichello, João Quevedo, Antônio Carlos de Oliveira, David Freitas de Lucena, Danielle S Macedo
Early-life challenges, particularly infections and stress, are related to neuropsychiatric disorders such as autism and schizophrenia. Here, we conducted a wide range of behavioral tests in periadolescent (postnatal day (PN) 35) and adult (PN70) Swiss mice neonatally challenged with LPS on PN5 and -7, to unveil behavioral alterations triggered by LPS exposure. Immune and neurotrophic (brain-derived neurotrophic factor-BDNF) alterations were determined in the prefrontal cortex (PFC), hippocampus (HC), and hypothalamus (HT)...
May 23, 2017: Molecular Neurobiology
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