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https://www.readbyqxmd.com/read/28334403/cognitive-estimation-in-non-demented-parkinson-s-disease
#1
Federica Scarpina, Alessandro Mauro, Guido E D'Aniello, Giovani Albani, Gianluca Castelnuovo, Erika Ambiel, Sarah E MacPherson
Objective: The Cognitive Estimation Test (CET) is widely used in clinical and research settings to assess the ability to produce reasonable estimates to items that individuals would not know that the exact answer (e.g., "How fast do race horses run?"). We examined the performance of non-demented Parkinson's disease (PD) patients on the CET, because previous studies reported heterogeneous results about possible cognitive estimation impairments in PD. We also examined whether PD patients improve their performance if given the chance to reconsider their initial CET responses...
March 10, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28331953/value-of-fdg-pet-scans-of-non-demented-patients-in-predicting-rates-of-future-cognitive-and-functional-decline
#2
Nare Torosyan, Kelsey Mason, Magnus Dahlbom, Daniel H S Silverman
PURPOSE: The aim of this study was to examine the value of fluorodeoxyglucose (FDG) positron emission tomography (PET) in predicting subsequent rates of functional and cognitive decline among subjects considered cognitively normal (CN) or clinically diagnosed with mild cognitive impairment (MCI). METHODS: Analyses of 276 subjects, 92 CN subjects and 184 with MCI, who were enrolled in the Alzheimer's Disease Neuroimaging Initiative, were conducted. Functional decline was assessed using scores on the Functional Activities Questionnaire (FAQ) obtained over a period of 36 months, while cognitive decline was determined using the Alzheimer's disease Assessment Scale-Cognitive subscale (ADAS-Cog) and Mini-Mental State Examination (MMSE) scores...
March 22, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28330544/-behavioural-disturbances-in-dement-patients
#3
Anette Lolk, Kjeld Andersen
Behavioural and psychological symptoms in dementia are common. The symptoms include anxiety, depression, and psychosis, thus mimicking delirium. A thorough somatic examination, including current medication, is therefore very important before initiating any treatment. If behavioural and psychological symptoms of dementia is established, first-line treatment is non-pharmacological addressing possible needs and psychosocial problems. Only if this treatment is insufficient, pharmacological treatment can be considered...
March 20, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28325559/new-evidence-of-the-relative-protective-effects-of-neurodegenerative-diseases-and-cancer-against-each-other
#4
A Robles Bayón, F Gude Sampedro
BACKGROUND: Cancer and degenerative diseases share some pathogenic mechanisms which act in opposition to one another to produce either uncontrolled cell proliferation or cell death. According to several studies, patients with Alzheimer disease have a lower risk of neoplasia, and vice versa. This study describes the prevalence of tumours (active or successfully treated) in a series of patients with and without a dementing degenerative disease treated at a cognitive neurology unit. PATIENTS AND METHOD: We analysed the frequency and topography of tumours and the presence or absence of a neurodegenerative disease in a group of 1,164 patients...
March 18, 2017: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/28318355/dementia-incidence-and-predictors-in-cerebral-amyloid-angiopathy-patients-without-intracerebral-hemorrhage
#5
Li Xiong, Gregoire Boulouis, Andreas Charidimou, Duangnapa Roongpiboonsopit, Michael J Jessel, Marco Pasi, Yael D Reijmer, Panagiotis Fotiadis, Alison Ayres, Emily Merrill, Kristin Schwab, Deborah Blacker, M Edip Gurol, Steven M Greenberg, Anand Viswanathan
Cerebral amyloid angiopathy (CAA) is a common cause of cognitive impairment in older individuals. This study aimed to investigate predictors of dementia in CAA patients without intracerebral hemorrhage (ICH). A total of 158 non-demented patients from the Stroke Service or the Memory Clinic who met the modified Boston Criteria for probable CAA were included. At baseline, neuroimaging markers, including lobar microbleeds (cerebral microbleeds (CMBs)), white matter hyperintensities (WMH), cortical superficial siderosis (cSS), magnetic resonance imaging (MRI)-visible centrum semiovale perivascular spaces (CSO-PVS), lacunes, and medial temporal atrophy (MTA) were assessed...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28318059/low-normal-csf-a%C3%AE-42-levels-predict-clinical-progression-in-non-demented-subjects
#6
Betty M Tijms, Daniela Bertens, Rosalinde E Slot, Alida A Gouw, Charlotte E Teunissen, Philip Scheltens, Wiesje M van der Flier, Pieter Jelle Visser
We studied whether continuous lower normal cerebrospinal fluid (CSF) amyloid β 1-42 (≥640 pg/ml) levels related with rate of clinical progression in a sample of 393 non-demented memory clinic patients. Lower normal levels were associated with faster clinical progression and this depended on baseline cognitive status (subjective cognitive decline: HR = 0.59, p <.05; mild cognitive impairment: HR=0.12, p <.001), indicating that normal CSF amyloid levels do not exclude incident Alzheimer's disease. These findings suggest that research on preclinical markers for Alzheimer's disease should take the continuum of CSF amyloid β 1-42 levels within the normal range into account...
March 20, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28296176/mini-mental-state-examination-score-trajectories-and-incident-disabling-dementia-among-community-dwelling-older-japanese-adults
#7
Yu Taniguchi, Akihiko Kitamura, Hiroshi Murayama, Hidenori Amano, Tomohiro Shinozaki, Isao Yokota, Satoshi Seino, Yu Nofuji, Mariko Nishi, Yuri Yokoyama, Yutaka Matsuyama, Yoshinori Fujiwara, Shoji Shinkai
AIM: The present prospective study used repeated measures analysis to identify potential Mini-Mental State Examination (MMSE) score trajectories and determine whether MMSE trajectory was associated with incident disabling dementia among community-dwelling older Japanese adults. METHODS: A total of 1724 non-demented adults (mean age 71.4 years [SD 5.7]; 56.7% women) aged 65-90 years participated in annual geriatric health assessments during the period from June 2002 through July 2014...
March 14, 2017: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/28291794/few-serum-proteins-mediate-apoe-s-association-with-dementia
#8
Donald R Royall, Safa Al-Rubaye, Ram Bishnoi, Raymond F Palmer
The latent variable "δ" (for "dementia") appears to be uniquely responsible for the dementing aspects of cognitive impairment. Age, depression, gender and the apolipoprotein E (APOE) e4 allele are independently associated with δ. In this analysis, we explore serum proteins as potential mediators of APOE's specific association with δ in a large, ethnically diverse longitudinal cohort, the Texas Alzheimer's Research and Care Consortium (TARCC). APOE was associated only with C-Reactive Protein (CRP), Adiponectin (APN) and Amphiregulin (AREG), although the latter two's associations did not survive Bonferroni correction for multiple comparisons...
2017: PloS One
https://www.readbyqxmd.com/read/28287061/expressive-suppression-depletes-executive-functioning-in-older-adulthood
#9
E I Franchow, Yana Suchy
OBJECTIVES: Accurate detection of executive dysfunction in neuropsychological assessments is complicated by the fact that executive functioning (EF) is vulnerable to temporary disruption (i.e., lapses), with more frequent lapses in older adulthood. Effortful regulation of affect (i.e., expressive suppression) is a well-known source of executive lapses in younger adults, but the generalizability of this depleting effect to older adults is unknown. The purpose of this study was to (1) determine whether EF is subject to depletion via expressive suppression and (2) to examine whether this effect is unique to EF, or whether it also applies to lower-order component processes in older adults...
March 13, 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/28275649/population-based-analysis-of-pathological-correlates-of-dementia-in-the-oldest-old
#10
Maarit Tanskanen, Mira Mäkelä, Irma-Leena Notkola, Liisa Myllykangas, Sari Rastas, Minna Oinas, Perttu J Lindsberg, Tuomo Polvikoski, Pentti J Tienari, Anders Paetau
OBJECTIVE: The aim of this study was to analyze brain pathologies which cause dementia in the oldest old population. METHODS: All 601 persons aged ≥85 years living in the city of Vantaa (Finland), on April 1st, 1991 formed the study population of the Vantaa85 +  study, 300 of whom were autopsied during follow-up (79.5% females, mean age-at-death 92 ± 3.7 years). Alzheimer's disease (AD) pathology (tau and beta-amyloid [Aβ]), cerebral amyloid angiopathy (CAA) and Lewy-related pathologies were analyzed...
March 2017: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/28271290/arterial-spin-labelling-detects-posterior-cortical-hypoperfusion-in-non-demented-patients-with-parkinson-s-disease
#11
Zoe Joanna Syrimi, Lubomir Vojtisek, Ilona Eliasova, Jana Viskova, Alena Svatkova, Jiri Vanicek, Irena Rektorova
While previous studies suggested that perfusion abnormalities in Parkinson's disease (PD) are driven by dementia, our study aimed to identify perfusion underpinning of cognitive alteration in non-demented PD patients. Cerebral blood flow was measured using arterial spin labelling (ASL) in 28 PD patients (age 65 years ± 9.9 SD) and 16 age-matched healthy controls (HC) (age 65 years ± 7.8 SD), who also underwent neurological and cognitive testing. The 3D pseudocontinuous ASL and T2-weighted scans from 22 PD patients and 16 HC were analysed in a voxel-wise manner using SPM8 software...
March 7, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28270012/sensitive-performance-based-assessment-of-everyday-action-in-older-and-younger-adults
#12
Sarah Seligman Rycroft, Tania Giovannetti, Ross Divers, Jacob Hulswit
Everyday function is compromised by mild cognitive changes in aging. These changes predict risk for future decline and dementia but remain poorly characterized, largely due to a scarcity of sensitive, objective measures.Twenty-seven younger adults and 25 non-demented older adults completed the Naturalistic Action Test (NAT), a performance-based measure of everyday action involving simple and complex tasks. Performance was coded for overt errors and subtle inefficiencies. Participants also completed self-report functional measures and cognitive tests...
March 7, 2017: Neuropsychology, Development, and Cognition. Section B, Aging, Neuropsychology and Cognition
https://www.readbyqxmd.com/read/28269768/late-onset-alzheimer-s-disease-risk-variants-in-cognitive-decline-the-path-through-life-study
#13
Shea J Andrews, Debjani Das, Kaarin J Anstey, Simon Easteal
Recent genome wide association studies have identified a number of single nucleotide polymorphisms associated with late onset Alzheimer's disease (LOAD). We examined the associations of 24 LOAD risk loci, individually and collectively as a genetic risk score, with cognitive function. We used data from 1,626 non-demented older Australians of European ancestry who were examined up to four times over 12 years on tests assessing episodic memory, working memory, vocabulary, and information processing speed. Linear mixed models were generated to examine associations between genetic factors and cognitive performance...
2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28269472/alzcare-an-information-system-for-screening-management-and-tracking-of-demented-patients
#14
Vasilios Protopappas, Konstantinos Tsiouris, Maria Chondrogiorgi, Christos Tsironis, Spiridon Konitsiotis, Dimitrios I Fotiadis
The ALZCARE project aims at assisting people at risk or already suffering of dementia, their family and health professionals in the dementia care pathway by providing an integrated ICT-enabled information System. The system consists of a mobile platform for screening people at risk, a Clinical Information System and a satellite-based patient tracking system. The system is currently on the evaluation phase focusing on addressing the needs of citizens of the cross-border areas of Greece and Albania.
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28267747/subjective-and-objective-cognitive-function-among-older-adults-with-a-history-of-traumatic-brain-injury-a-population-based-cohort-study
#15
Raquel C Gardner, Kenneth M Langa, Kristine Yaffe
BACKGROUND: Traumatic brain injury (TBI) is extremely common across the lifespan and is an established risk factor for dementia. The cognitive profile of the large and growing population of older adults with prior TBI who do not have a diagnosis of dementia, however, has not been well described. Our aim was to describe the cognitive profile associated with prior TBI exposure among community-dwelling older adults without dementia-an understudied but potentially vulnerable population. METHODS AND FINDINGS: In this population-based cohort study, we studied 984 community-dwelling older adults (age 51 y and older and their spouses) without dementia who had been randomly selected from respondents to the 2014 wave of the Health and Retirement Study to participate in a comprehensive TBI survey and who either reported no prior TBI (n = 737) or prior symptomatic TBI resulting in treatment in a hospital (n = 247)...
March 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28266344/epilepsy-at-the-prodromal-stages-of-neurodegenerative-diseases
#16
Benjamin Cretin, Nathalie Philippi, Laure Dibitonto, Frédéric Blanc
This review provides a clinically grounded description of the links between epilepsy and early common neurodegenerative diseases (i.e. Alzheimer's disease, Lewy body disease, vascular cognitive impairment, fronto-temporal lobar degeneration). It shows that epilepsy does not only concern demented patients displaying convulsive seizures (whether focal or generalized) and obvious atrophy on brain imaging. On the contrary, unprovoked seizures and epilepsy - commonly involving the temporal lobe - are now reported at the prodromal stages of these diseases, when cognitive complaints are mild or even minimal and brain imaging inconstantly abnormal...
March 1, 2017: Gériatrie et Psychologie Neuropsychiatrie du Vieillissement
https://www.readbyqxmd.com/read/28265256/decreased-hhv-6-igg-in-alzheimer-s-disease
#17
Gabriel Westman, Jonas Blomberg, Zhibing Yun, Lars Lannfelt, Martin Ingelsson, Britt-Marie Eriksson
Human herpesviruses have previously been implicated in the pathogenesis of Alzheimer's disease (AD) but whether they are causal, facilitating, or confounding factors is yet to be established. A total of 50 AD subjects and 52 non-demented (ND) controls were analyzed in a multiplex assay for IgG reactivity toward herpes simplex virus (HSV), varicella zoster virus (VZV), cytomegalovirus (CMV), and human herpesvirus 6 (HHV-6). The HHV-6 IgG reactivity was significantly lower in AD subjects compared to ND controls, whereas there were no differences in HSV, VZV, or CMV antibody levels between the groups...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28262511/are-non-demented-patients-with-parkinson-s-disease-able-to-decide-about-their-own-treatment
#18
Sandra Eygelshoven, Anja van den Hout, Lara Tucha, Anselm B M Fuermaier, Dorien F Bangma, Johannes Thome, Jill Lobbestael, Oliver Tucha, Janneke Koerts
INTRODUCTION: Patients with Parkinson's disease (PD) are often confronted with difficult medical decisions, which might be hampered by cognitive impairment or chronic stress. Little is known, however, about the capacity to make medical decisions and the influence of cognition and stress on this ability. This study determined whether non-demented Parkinson's disease patients are able to make medical decisions and whether this capacity is influenced by cognition and stress. METHODS: Forty-six Parkinson's disease patients and 94 healthy controls were assessed with the MacArthur Competence Assessment Tool for Treatment during which participants were presented with deep brain stimulation as a treatment option for a fictional Parkinson's disease patient...
February 21, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28261780/cognition-in-non-demented-parkinson-s-disease-vs-essential-tremor-a-population-based-study
#19
Á Sánchez-Ferro, J Benito-León, E D Louis, I Contador, J Hernández-Gallego, V Puertas-Martín, F Bermejo-Pareja
OBJECTIVES: Patients with Parkinson's disease (PD) and essential tremor (ET) have a higher risk of cognitive impairment than age-matched controls. Only a few small studies (11-18 subjects per group) have directly compared the cognitive profile of these conditions. Our aim was to compare the cognitive profile of patients with these two conditions to each other and to healthy individuals in a population-based study of non-demented participants. MATERIALS AND METHODS: This investigation was part of the NEDICES study, a survey of the elderly in which 2438 dementia-free participants underwent a short neuropsychological battery...
March 5, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/28256435/the-impact-of-motor-symptoms-on-self-reported-anxiety-in-parkinson-s-disease
#20
Robert D Salazar, Asher M Le, Sandy Neargarder, Alice Cronin-Golomb
OBJECTIVE: Anxiety is commonly endorsed in Parkinson's disease (PD) and significantly affects quality of life. The Beck Anxiety Inventory (BAI) is often used but contains items that overlap with common PD motor symptoms (e.g., "hands trembling"). Because of these overlapping items, we hypothesized that PD motor symptoms would significantly affect BAI scores. METHODS: One hundred non-demented individuals with PD and 74 healthy control participants completed the BAI...
January 24, 2017: Parkinsonism & related Disorders
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