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Mild cognitive impairment

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https://www.readbyqxmd.com/read/29345144/pilot-randomized-controlled-trial-of-the-go-game-intervention-on-cognitive-function
#1
Ai Iizuka, Hiroyuki Suzuki, Susumu Ogawa, Kimi Estela Kobayashi-Cuya, Momoko Kobayashi, Toru Takebayashi, Yoshinori Fujiwara
This study investigated the effects of an intervention using the game "GO" on cognitive function in nursing home residents and evaluated the acquisition of GO according to each stage of dementia. Participants were randomly assigned to either the GO intervention group or a control group, and the intervention was performed once weekly for 15 weeks. Cognitive tests were conducted before and after intervention, and 17 participants were included in the final analysis. Analysis of covariance demonstrated that in the intervention group, the digit span total score significantly improved and the digit span backward score was maintained, whereas these scores decreased in the control group...
January 1, 2018: American Journal of Alzheimer's Disease and Other Dementias
https://www.readbyqxmd.com/read/29345055/npas4-deficiency-interacts-with-adolescent-stress-to-disrupt-prefrontal-gabaergic-maturation-and-adult-cognitive-flexibility
#2
Chloe Page, Jonathan Alexander, Ryan Shepard, Laurence Coutellier
Healthy cognitive and emotional functioning relies on a balance between excitatory and inhibitory neurotransmission in the prefrontal cortex. This balance is largely established during early postnatal and adolescent developmental periods by maturation of the γ-aminobutyric acid (GABA) system, including increased density of parvalbumin cells and perineuronal nets. Genetic and/or environmental factors during adolescence can disrupt GABAergic maturation and lead to behavioral dysfunction in adulthood. The present study examined the interaction between chronic mild stress during adolescence and genetic deficiency of neuronal PAS domain 4 (Npas4), a brain-specific transcription factor that regulates inhibitory neurotransmission and that contributes to adolescent prefrontal GABAergic maturation...
January 18, 2018: Genes, Brain, and Behavior
https://www.readbyqxmd.com/read/29345037/prevalence-of-cognitive-impairment-in-major-depression-and-bipolar-disorder
#3
Katie M Douglas, Peter Gallagher, Lucy J Robinson, Janet D Carter, Virginia Vw McIntosh, Christopher Ma Frampton, Stuart Watson, Allan H Young, I Nicol Ferrier, Richard J Porter
OBJECTIVES: The current study examines prevalence of cognitive impairment in four mood disorder samples, using four definitions of impairment. The impact of premorbid IQ on prevalence was examined, and the influence of treatment response. METHODS: Samples were: (i) 58 inpatients in a current severe depressive episode (unipolar or bipolar), (ii) 69 unmedicated outpatients in a mild to moderate depressive episode (unipolar or bipolar), (iii) 56 outpatients with bipolar disorder, in a depressive episode, and (iv) 63 outpatients with bipolar disorder, currently euthymic...
January 18, 2018: Bipolar Disorders
https://www.readbyqxmd.com/read/29344357/examining-the-effectiveness-of-a-cognitive-intervention-to-improve-cognitive-function-in-a-population-of-older-adults-living-with-hiv-a-pilot-study
#4
Judy A Frain, Ling Chen
Objective: The purpose of this randomized-controlled pilot study was to explore the effectiveness of a home-based computerized cognitive training intervention in improving cognitive function in a population of older adults with mild cognitive impairment who are living with HIV. Methods: In all, 24 participants were enrolled in this study. All study participants were impaired [defined as Montreal Cognitive Assessment (MoCA) score < 26]; 12 were randomly assigned to a computer-training intervention group and 12 to a control group...
January 2018: Therapeutic Advances in Infectious Disease
https://www.readbyqxmd.com/read/29343175/activity-based-goals-generated-by-older-adults-with-mild-cognitive-impairment
#5
Juleen Rodakowski, Amanda M Becker, Katlyn W Golias
Client-centered care is one promising rehabilitation model that may support the unique needs of older adults with mild cognitive impairment (MCI). This secondary analysis examined (a) whether older adults with MCI generated activity-based goals using a client-centered model and (b) the types of goals generated. Thirteen older adults with MCI addressed 55 goals. Using client-centered care, the participants generated goals despite subtle limitations in activities and participation. Participants generated the greatest number of goals related to instrumental activities of daily living...
January 1, 2018: OTJR: Occupation, Participation and Health
https://www.readbyqxmd.com/read/29342485/-driving-ability-in-mild-cognitive-impairment-and-dementia
#6
Klaus Schmidtke
Executive functions, visuo-spatial processing and control of behaviour are pertinent for safe driving. In patients with mild cognitive impairment and dementia, these abilities can be impaired, in addition to age-related impairments, and driving ability can be compromised at an early stage. Neurologists and psychiatrists play an important role in the examination, counseling and, if required, the issuing of a medical driving ban. Mistakes in this process may ensue forensic sequelae for the involved physicians...
January 2018: Fortschritte der Neurologie-Psychiatrie
https://www.readbyqxmd.com/read/29341070/personality-changes-during-the-transition-from-cognitive-health-to-mild-cognitive-impairment
#7
Richard J Caselli, Blake T Langlais, Amylou C Dueck, Bruce R Henslin, Travis A Johnson, Bryan K Woodruff, Charlene Hoffman-Snyder, Dona E C Locke
BACKGROUND/OBJECTIVES: Behavioral problems in individuals with Alzheimer's disease (AD) impose major management challenges. Current prevention strategies are anchored to cognitive outcomes, but behavioral outcomes may provide another, clinically relevant opportunity for preemptive therapy. We sought to determine whether personality changes that predispose to behavioral disorders arise during the transition from preclinical AD to mild cognitive impairment (MCI). DESIGN: Longitudinal observational cohort study...
January 17, 2018: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/29341064/can-addressing-personality-change-enhance-cognitive-functioning-and-delay-development-of-mild-cognitive-impairment
#8
EDITORIAL
Kevin J Manning, David C Steffens
No abstract text is available yet for this article.
January 17, 2018: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/29340569/associations-of-the-top-20-alzheimer-disease-risk-variants-with-brain-amyloidosis
#9
Liana G Apostolova, Shannon L Risacher, Tugce Duran, Eddie C Stage, Naira Goukasian, John D West, Triet M Do, Jonathan Grotts, Holly Wilhalme, Kwangsik Nho, Meredith Phillips, David Elashoff, Andrew J Saykin
Importance: Late-onset Alzheimer disease (AD) is highly heritable. Genome-wide association studies have identified more than 20 AD risk genes. The precise mechanism through which many of these genes are associated with AD remains unknown. Objective: To investigate the association of the top 20 AD risk variants with brain amyloidosis. Design, Setting, and Participants: This study analyzed the genetic and florbetapir F 18 data from 322 cognitively normal control individuals, 496 individuals with mild cognitive impairment, and 159 individuals with AD dementia who had genome-wide association studies and 18F-florbetapir positron emission tomographic data from the Alzheimer's Disease Neuroimaging Initiative (ADNI), a prospective, observational, multisite tertiary center clinical and biomarker study...
January 16, 2018: JAMA Neurology
https://www.readbyqxmd.com/read/29339018/nicotine-alleviates-chronic-stress-induced-anxiety-and-depressive-like-behavior-and-hippocampal-neuropathology-via-regulating-autophagy-signaling
#10
Xi Xiao, Xueliang Shang, Baohui Zhai, Hui Zhang, Tao Zhang
Recently, we reported that chronic nicotine significantly improved chronic stress-induced impairments of cognition and the hippocampal synaptic plasticity in mice, however, the underlying mechanism still needs to be explored. In the present study, 32 male C57BL/6 mice were divided into four groups: control (CON), stress (CUS), stress with chronic nicotine administration (CUS + Nic) and chronic nicotine administration (Nic). The anxiety-like behavior and neuropathological alteration of DG neurons were examined...
January 12, 2018: Neurochemistry International
https://www.readbyqxmd.com/read/29338921/faster-progression-from-mci-to-probable-ad-for-carriers-of-a-single-nucleotide-polymorphism-associated-with-type-2-diabetes
#11
Hugo Girard, Olivier Potvin, Scott Nugent, Caroline Dallaire-Théroux, Stephen Cunnane, Simon Duchesne
Sporadic Alzheimer's disease (AD), as opposed to its autosomal dominant form, is likely caused by a complex interaction of genetic, environmental, and health lifestyle factors. Twin studies indicate that sporadic AD heritability could be between 58% and 79%, around half of which is explained by the ε4 allele of the apolipoprotein E (APOE4). We hypothesized that genes associated with known risk factors for AD, namely hypertension, hypercholesterolemia, obesity, diabetes, and cardiovascular disease, would contribute significantly to the remaining heritability...
December 7, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/29338817/correlation-of-stress-hyperglycemia-after-ischemic-stroke-with-early-vascular-cognitive-impairment
#12
Yi Dong Zhou, Huai Wu Yuan, Ren Jie Ji, Ben Yan Luo
Objective To investigate the influence and forecast value of stress hyperglycemia on the early vascular cognitive impairment (VCI) in stroke patients.Methods Totally 422 patients with acute non-diabetic stroke were divided into three groups according to the fasting plasma glucose level:the euglycemia group (<6.1 mmol/L),the mild stress hyperglycemia group (6.1-7.0 mmol/L),and the severe stress hyperglycemia group (≥7.0 mmol/L).Mini-mental state examination,Alzheimer's disease rating scale cognitive subscale,and clinical dementia rating scale were used to evaluate early cognition in post-stroke patients,and patients were divided into three groups accordingly:normal cognitive function group,mild VCI group,and vascular dementia group...
December 20, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/29338134/retinal-oximetry-is-affected-in-multiple-sclerosis
#13
Anna Bryndis Einarsdottir, Olof Birna Olafsdottir, Haukur Hjaltason, Sveinn Hakon Hardarson
PURPOSE: Structural and physiological abnormalities have been reported in the retina in patients with multiple sclerosis (MS). Retinal oximetry has recently detected changes in retinal oxygen metabolism in Alzheimer's disease and mild cognitive impairment. Our goal was to determine whether oxygen saturation in retinal blood vessels of patients with patients is different from that of a healthy population. METHODS: Oxygen saturation of haemoglobin was measured in retinal blood vessels, using imaging with spectrophotometric noninvasive retinal oximeter...
January 16, 2018: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29335040/does-a-cognitive-stress-test-predict-progression-from-mild-cognitive-impairment-to-dementia-equally-well-in-clinical-versus-population-based-settings
#14
Joanne C Beer, Beth E Snitz, Chung-Chou H Chang, David A Loewenstein, Mary Ganguli
BACKGROUND: Evidence suggests that semantic interference may be a sensitive indicator of early dementia. We examined the utility of the Semantic Interference Test (SIT), a cognitive stress memory paradigm which taps proactive and retroactive semantic interference, for predicting progression from mild cognitive impairment (MCI) to dementia in both a clinical and a population-based sample. METHODS: Participants with MCI in the clinical (n = 184) and population-based (n = 435) samples were followed for up to four years...
January 16, 2018: International Psychogeriatrics
https://www.readbyqxmd.com/read/29334684/aberrant-connectivity-in-mild-cognitive-impairment-and-alzheimer-disease-revealed-by-multimodal-neuroimaging-data
#15
Qing Li, Xia Wu, Fufang Xie, Kewei Chen, Li Yao, Jiacai Zhang, Xiaojuan Guo, Rui Li
BACKGROUND: Making use of multimodal data simultaneously to understand the neural mechanism of mild cognitive impairment (MCI) has been in the focus nowadays. The simultaneous use of multimodal data can take advantage of each modality which may only provide the view of one specific aspect of the brain. OBJECTIVE: To this end, the present study used structural magnetic resonance imaging (sMRI), fluorodeoxyglucose positron emission tomography (FDG-PET) and florbetapir PET to reveal the integrated brain network between MCI and normal controls (NCs)...
January 13, 2018: Neuro-degenerative Diseases
https://www.readbyqxmd.com/read/29334638/the-effectiveness-of-physical-exercise-on-cognitive-and-psychological-outcomes-in-individuals-with-mild-cognitive-impairment-a-systematic-review-and-meta-analysis
#16
REVIEW
Dan Song, Doris S F Yu, Polly W C Li, Yang Lei
OBJECTIVE: Individuals with mild cognitive impairment (MCI) are at high risk for developing dementia. Physical exercise is a promising intervention for cognitive decline. Systematic reviews regarding the effects of physical exercise on cognitive and psychological outcomes among MCI patients are limited, and a systematic review exploring the effects of exercise modalities on the results has not been conducted. This study evaluated the effects of physical exercise on cognitive and psychological outcomes for MCI patients and attempted to identify which specific modality of exercise is more effective...
January 4, 2018: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/29334499/cognitive-function-and-its-risk-factors-among-older-us-adults-living-at-home
#17
William Dale, Ashwin A Kotwal, Joseph W Shega, L Philip Schumm, David W Kern, Jayant M Pinto, Kelly M Pudelek, Linda J Waite, Martha K McClintock
BACKGROUND: The Montreal Cognitive Assessment (MoCA) has not been administered to a representative national sample, precluding comparison of patient scores to the general population and for risk factor identification. METHODS: A validated survey-based adaptation of the MoCA (MoCA-SA) was administered to a probability sample of home-dwelling US adults aged 62 to 90, using the National Social Life, Health, and Aging Project (n=3129), yielding estimates of prevalence in the United States...
January 12, 2018: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/29332640/cognitive-impairment-in-patients-with-psoriasis-a-matched-case-control-study
#18
Marco Innamorati, Rossella M Quinto, David Lester, Luca Iani, Dario Graceffa, Claudio Bonifati
BACKGROUND: In the past decade, a few studies have suggested that psoriasis could be associated with the presence of mild cognitive deficits. OBJECTIVES: The aim of the present matched case-control study was to investigate several cognitive domains (executive functions, verbal memory, attention, and language) in a sample of outpatients with psoriasis. We also investigated whether cognitive impairment was associated with poor health-related quality of life (HRQoL) in patients with psoriasis...
February 2018: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/29332053/apparent-cognitive-decline-as-revealed-by-an-executive-function-test-within-a-cohort-of-elderly-individuals-self-reporting-normal-cognitive-performance
#19
Thomas B Shea, Ruth Remington
Alzheimer's disease (AD) can be preceded by subtle memory decline that can last a decade or more before progressing to what would be diagnosed as the mild cognitive impairment stage. During this early stage of decline, individuals and even their caregivers can fail to perceive any serious difficulty or need to consult a physician. Herein, we present evidence in support of these concerns, and demonstrate how this can interfere not only with clinical trials of AD but also those involving cognitive performance of elderly individuals without intentional reference to AD...
2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29332043/serum-non-ceruloplasmin-non-albumin-copper-elevation-in-mild-cognitive-impairment-and-dementia-due-to-alzheimer-s-disease-a-case-control-study
#20
Luca Rozzini, Francesco Lanfranchi, Andrea Pilotto, Simona Catalani, Maria Enrica Gilberti, Matteo Paganelli, Pietro Apostoli, Alessandro Padovani
Several studies showed high serum copper levels in Alzheimer's disease (AD). The present study applied a newly developed method to detect serum copper free from proteins (free-Cu). Forty-four patients affected by dementia due to AD, thirty-six patients affected by mild cognitive impairment (MCI) due to AD, and twenty-eight healthy controls underwent clinical, cognitive, and MRI assessment. The new method showed higher free-Cu concentrations in MCI and dementia due to AD compared to controls (p < 0.0001)...
2018: Journal of Alzheimer's Disease: JAD
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