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https://www.readbyqxmd.com/read/28528357/cerebellar-gray-matter-alterations-in-huntington-disease-a-voxel-based-morphometry-study
#1
Paula C de Azevedo, Rachel P Guimarães, Camila C Piccinin, Luiza G Piovesana, Lidiane S Campos, Juliana R Zuiani, Eliza M Tamashiro, Giordanna Pinheiro, Augusto C Amato-Filho, Fernando Cendes, Iscia Lopes-Cendes, Anelyssa D'Abreu
Neuropathological and neuroimaging studies in Huntington disease (HD) have suggested a role for the cerebellum. Our goal was to perform a detailed evaluation of cerebellar morphology. We performed the Unified HD rating scale (UHDRS) and Montreal cognitive assessment (MOCA) in 26 HD patients and 26 healthy controls. We created a two-sample test to analyze cerebellar gray matter (GM) differences between groups and another to correlate GM alterations with UHDRS and MOCA, corrected for age, expanded cytosine-adenine-guanine repeats, and disease duration using the spatially unbiased atlas template (SUIT)-SPM-toolbox which preserves anatomical detailing...
May 20, 2017: Cerebellum
https://www.readbyqxmd.com/read/28528240/negative-correlation-between-csf-lactate-levels-and-moca-scores-in-male-chinese-subjects
#2
Haijun Wang, Xiaohua Tan, Jinzhong Xu, Hui Li, Meiling Wang, Suling Chen, Xiaoyu Yang, Yanlong Liu, Fan Wang
Lactate is a product of glycolysis by astrocytes and can be generated as a primary metabolic energy source by neurons. Lactate plays multifunctional role in human brain energy metabolism and cognitive function. However, no direct evidence demonstrated the link between lactate and cognition in normal condition. In the present study, concentrations of lactate in cerebrospinal fluid (CSF) and peripheral blood were measured to investigate the association of lactate with cognitive ability, which was assessed by Montreal Cognitive Assessment (MoCA), in 99 male Chinese subjects...
May 12, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28520873/association-between-neurocognitive-decline-and-visual-field-variability-in-glaucoma
#3
Alberto Diniz-Filho, Lisa Delano-Wood, Fábio B Daga, Sebastião Cronemberger, Felipe A Medeiros
Importance: Visual field variability may impair detection of glaucoma progression over time. Despite the possible overlap between neurocognitive disorders and glaucoma in older individuals, no study has investigated the association between cognitive changes and visual field variability. Objective: To evaluate the association between global neurocognitive impairment and visual field variability in patients diagnosed as having glaucoma or glaucoma suspects. Design, Setting, and Participants: This prospective observational cohort study was conducted at the Visual Performance Laboratory, University of California, San Diego...
May 18, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28514669/the-relationship-between-cognition-and-depressive-symptoms-and-factors-modifying-this-association-in-alzheimer-s-disease-a-multivariate-multilevel-model
#4
Bei Yang, Hongmei Yu, Min Xing, Runlian He, Ruifeng Liang, Liye Zhou
OBJECTIVES: To examine whether there was a bidirectional association between cognition and depressive symptoms in Alzheimer's disease (AD), and to explore the role of socio-demographic factors and daily performance in this association. METHODS: We conducted a longitudinal study of 104 community-dwelling patients with confirmed AD from Taiyuan, China. We assessed cognition and depressive symptoms (dependent variables) with the Montreal Cognitive Assessment (MoCA) and the Geriatric Depression Scale-30 (GDS-30), respectively...
May 10, 2017: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/28511984/comparison-of-three-cognitive-exams-in-cardiac-arrest-survivors
#5
Allison C Koller, Jon C Rittenberger, Melissa J Repine, Patrick W Morgan, Jeffrey Kristan, Clifton W Callaway
BACKGROUND: Cognitive deficits may detract from quality of life after cardiac arrest. Their pattern and prevalence are not well documented. We used the Computer Assessment of Mild Cognitive Impairment (CAMCI), the Montreal Cognitive Assessment (MOCA) and the 41 Cent Test (41CT) to assess cognitive impairment in cardiac arrest survivors and examine the exams' diagnostic accuracy. We hypothesized that the scores of these exams would indicate the presence of cognitive impairment in arrest survivors, that the overall scores on the three study assessments would correlate with one another, and that the 41CT, MOCA, and executive function element of the CAMCI would vary independently from other non-executive CAMCI components, reflecting executive function impairment after cardiac arrest...
May 13, 2017: Resuscitation
https://www.readbyqxmd.com/read/28503706/an-eye-tracker-controlled-cognitive-battery-overcoming-verbal-motor-limitations-in-als
#6
Barbara Poletti, Laura Carelli, Federica Solca, Annalisa Lafronza, Elisa Pedroli, Andrea Faini, Nicola Ticozzi, Andrea Ciammola, Paolo Meriggi, Pietro Cipresso, Dorothée Lulé, Albert C Ludolph, Giuseppe Riva, Vincenzo Silani
We assessed language, attention, executive, and social cognition abilities in a sample of patients with Amyotrophic Lateral Sclerosis (ALS) by means of a recently developed cognitive battery based on oculomotor control with eye-tracking (ET) technology. Twenty-one ALS patients and 21 age- and education-matched healthy subjects underwent the ET-based cognitive assessment, together with the standard cognitive screening tools [Frontal Assessment Battery (FAB); Montreal Cognitive Assessment (MoCA); and Digit Sequencing Task]...
May 13, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28499360/prevalence-and-correlates-of-cognitive-impairment-in-kidney-transplant-recipients
#7
Aditi Gupta, Jonathan D Mahnken, David K Johnson, Tashra S Thomas, Dipti Subramaniam, Tyler Polshak, Imran Gani, G John Chen, Jeffrey M Burns, Mark J Sarnak
BACKGROUND: There is a high prevalence of cognitive impairment in dialysis patients. The prevalence of cognitive impairment after kidney transplantation is unknown. METHODS: Study Design: Cross-sectional study. SETTING AND PARTICIPANTS: Single center study of prevalent kidney transplant recipients from a transplant clinic in a large academic center. INTERVENTION: Assessment of cognition using the Montreal Cognitive Assessment (MoCA)...
May 12, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28495909/pulse-wave-velocity-is-associated-with-cognitive-impairment-in-hemodialysis-patients
#8
Susanne Angermann, Marcus Baumann, Siegfried Wassertheurer, Christopher Clemens Mayer, Dominik Steubl, Christine Hauser, Yana Suttmann, Anna-Lena Reichelt, Robin Satanovskij, Georg Lorenz, Moritz Lukas, Bernhard Haller, Uwe Heemann, Timo Grimmer, Christoph Schmaderer
BACKGROUND: Cognitive impairment in hemodialysis patients is common and associated with adverse outcomes. So far, the underlying pathogenesis remains unclear. Therefore, we examined the potential relationship between cognitive impairment and three different categories of risk factors with particular focus on arterial stiffness measured by Pulse Wave Velocity (PWV). METHODS: A total of 201 chronic hemodialysis patients underwent cognitive testing under standardized conditions using the Montreal Cognitive Assessment (MoCA)...
May 11, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28489814/diagnostic-values-of-serum-levels-of-homocysteine-and-uric-acid-for-predicting-vascular-mild-cognitive-impairment-in-patients-with-cerebral-small-vessel-disease
#9
Ting Wang, Zhong-Wu Sun, Liang-Qing Shao, Xiao-Bin Xu, Yang Liu, Mao Qin, Xiang Weng, Yong-Xiang Zhang
BACKGROUND This study aimed to investigate the diagnostic values of serum levels of Hcy and UA for predicting vascular mild cognitive impairment (VMCI) in patients with cerebral small vessel disease (SVD). MATERIAL AND METHODS We selected 172 cerebral SVD patients and divided them into a VMCI group and a non-VMCI group. Eighty-six healthy individuals without nervous system diseases were selected as the control group. Enzymatic cycling method was performed to detect serum Hcy and UA levels. Serum levels of folic acid (FOA) and vitamin B12 (VitB12) were detected by chemiluminescence immunoassay...
May 10, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28489419/when-is-a-novel-psychometric-measure-needed-a-preliminary-analysis-regarding-the-cognitive-assessment-for-stroke-patients-casp-battery-compared-with-mmse-and-moca
#10
Davide Crivelli, Maria Teresa Angelillo, Elisabetta Grippa, Antonia Colucci, Roberto Nardulli, Michela Balconi
The need for quick tools to sketch an early but accurate cognitive profile of patients who suffered brain damage or head trauma is of primary importance. Nonetheless, in the Italian context, the most-diffused screening tools are still those originally devised to diagnose dementia. The present pilot study then aimed at investigating the potential and feasibility of a novel screening battery, the Cognitive Assessment for Stroke Patients (CASP), in a sample of Italian patients by comparing it to Mini-Mental State Examination (MMSE) and Montreal Cognitive Assessment (MoCA) tests...
May 10, 2017: Applied Neuropsychology. Adult
https://www.readbyqxmd.com/read/28487471/using-dti-to-assess-white-matter-microstructure-in-cerebral-small-vessel-disease-svd-in-multi-centre-studies
#11
Iain David Croall, Valerie Lohner, Barry Moynihan, Usman Khan, Ahamad Hassan, John T O'Brien, Robin G Morris, Daniel J Tozer, Victoria C Cambridge, Kirsty Harkness, David Werring, Andrew M Blamire, Gary A Ford, Thomas R Barrick, Hugh S Markus
Diffusion tensor imaging (DTI) metrics such as Fractional Anisotropy (FA) and Mean Diffusivity (MD) have been proposed as clinical trial markers of cerebral small vessel disease due to their associations with outcomes such as cognition. However, studies investigating this have been predominantly single-centre. As clinical trials are likely to be multi-site, further studies are required to determine whether associations with cognition of similar strength can be detected in a multi-centre setting. 109 patients (mean age=68) with symptomatic lacunar infarction and confluent white matter hyperintensities (WMH) on MRI was recruited across 6 sites as part of the PRESERVE DTI sub-study...
May 9, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28487328/white-matter-imaging-correlates-of-early-cognitive-impairment-detected-by-the-montreal-cognitive-assessment-after-transient-ischemic-attack-and-minor-stroke
#12
Giovanna Zamboni, Ludovica Griffanti, Mark Jenkinson, Sara Mazzucco, Linxin Li, Wilhelm Küker, Sarah T Pendlebury, Peter M Rothwell
BACKGROUND AND PURPOSE: Among screening tools for cognitive impairment in large cohorts, the Montreal Cognitive Assessment (MoCA) seems to be more sensitive to early cognitive impairment than the Mini-Mental State Examination (MMSE), particularly after transient ischemic attack or minor stroke. We reasoned that if MoCA-detected early cognitive impairment is pathologically significant, then it should be specifically associated with the presence of white matter hyperintensities (WMHs) and reduced fractional anisotropy (FA) on magnetic resonance imaging...
May 9, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28484661/cognitive-function-characteristics-of-parkinson-s-disease-with-sleep-disorders
#13
Jing Huang, Wenyan Zhuo, Yuhu Zhang, Hongchun Sun, Huan Chen, Peipei Zhu, Xiaobo Pan, Jianhao Yang, Lijuan Wang
Objective. The aim of this study was to investigate the cognitive function characteristics of Parkinson's disease (PD) with sleep disorders. Methods. Consecutive patients with PD (n = 96), patients with primary sleep disorders (n = 76), and healthy control subjects (n = 66) were assessed. The patients with PD were classified into sleep disorder (PD-SD) and non-sleep disorder (PD-NSD) groups. Results. Among 96 patients with PD, 69 were diagnosed with a sleep disorder. There were 38 sleep disorder cases, 31 RBD cases, and 27 NSD cases...
2017: Parkinson's Disease
https://www.readbyqxmd.com/read/28482634/cross-cultural-applicability-of-the-montreal-cognitive-assessment-moca-a-systematic-review
#14
Ciarán O'Driscoll, Madiha Shaikh
The Montreal Cognitive Assessment (MoCA) is widely used to screen for mild cognitive impairment (MCI). While there are many available versions, the cross-cultural validity of the assessment has not been explored sufficiently. We aimed to interrogate the validity of the MoCA in a cross-cultural context: in differentiating MCI from normal controls (NC); and identifying cut-offs and adjustments for age and education where possible. This review sourced a wide range of studies including case-control studies. In addition, we report findings for differentiating dementias from NC and MCI from dementias, however, these were not considered to be an appropriate use of the MoCA...
May 5, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28482102/apolipoprotein-e4-allele-and-gait-performance-in-mild-cognitive-impairment-results-from-the-gait-and-brain-study
#15
Ryota Sakurai, Manuel Montero-Odasso
Background: The apolipoprotein E polymorphism ε4 allele (ApoE4) and gait impairment are both known risk factors for developing cognitive decline and dementia. However, it is unclear the interrelationship between these factors, particularly among older adults with mild cognitive impairment (MCI) who are considered as prodromal for Alzheimer's disease. This study aimed to determine whether ApoE4 carrier individuals with MCI may experience greater impairment in gait performance. Methods: Fifty-six older adults with MCI from the "Gait and Brain Study" who were identified as either ApoE4 carriers (n = 20) or non-ApoE4 carriers (n = 36) with 1 year of follow-up were included...
May 6, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28477306/duration-and-frequency-of-migraines-affect-cognitive-function-evidence-from-neuropsychological-tests-and-event-related-potentials
#16
Lifang Huang, Hong Juan Dong, Xi Wang, Yan Wang, Zheman Xiao
BACKGROUND: The aim of this study was to evaluate the changes in the cognitive performance of migraine patients using a comprehensive series of cognitive/behavioral and electrophysiological tests. METHOD: A randomized, cross-sectional, within subject approach was used to compare neuropsychological and electrophysiological evaluations from migrane-affected and healthy subjects. RESULTS: Thirty-four patients with migraine (6 males, 28 females, average 36 years old) were included...
December 2017: Journal of Headache and Pain
https://www.readbyqxmd.com/read/28469597/cognitive-dysfunction-is-associated-with-greater-imbalance-and-falls-in-essential-tremor
#17
Elan D Louis, Sarah Kellner, Sarah Morgan, Kathleen Collins, Brittany Rohl, Edward D Huey, Stephanie Cosentino
BACKGROUND: Essential tremor (ET) is not exclusively a tremor disorder; it is also associated with cognitive and gait dysfunction. However, a gap in knowledge is that the relationship between cognitive and gait dysfunction has not been studied in detail in ET. We examined the relationship between cognition and balance and falls in ET and hypothesized that cognitive dysfunction in ET patients would be associated with greater problems with balance and more falls. METHODS: ET cases were recruited into the Clinical-pathological Study of Cognition in ET...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28468065/-study-on-the-association-between-social-isolation-and-cognitive-function-among-elderly-in-daqing-city-heilongjiang-province
#18
Y H Wang, F Y Huang, Y Zheng, G S Shi, L Wang, S S Liao
Objective: To examine the association between social isolation and cognitive function among the elderly living in the communities of Daqing city. Methods: A total of 981 community residents aged 60 years or over, were surveyed with a questionnaire. Both Lubben Social Network Scale-6 (LSNS-6) and Montreal Congnitive Assessment (MoCA) Changsha Versions were used to respectively screen the status of social isolation and cognitive function, on these elderly. Results: The average age was 71 years old for the 981 study participants...
April 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28453482/higher-peripheral-trem2-mrna-levels-relate-to-cognitive-deficits-and-hippocampal-atrophy-in-alzheimer-s-disease-and-amnestic-mild-cognitive-impairment
#19
Yi Jayne Tan, Adeline S L Ng, Ashwati Vipin, Joseph K W Lim, Russell J Chander, Fang Ji, Yingwei Qiu, Simon K S Ting, Shahul Hameed, Tih-Shih Lee, Li Zeng, Nagaendran Kandiah, Juan Zhou
BACKGROUND: Variants in triggering receptor expressed on myeloid cells 2 (TREM2) are associated with increased Alzheimer's disease (AD) risk. Recent studies have reported inconsistent peripheral TREM2 mRNA expression levels and relationship with cognitive scores in AD and mild cognitive impairment (MCI). Additionally, no study has examined the association of peripheral TREM2 levels with neuroimaging measures in AD and MCI. OBJECTIVE: To determine peripheral TREM2 mRNA levels in AD, amnestic MCI (aMCI) and healthy controls, and the association with cognitive performance and brain structural changes...
2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28453481/the-association-between-montreal-cognitive-assessment-memory-scores-and-hippocampal-volume-in-a-neurodegenerative-disease-sample
#20
Aaron Ritter, Nanako Hawley, Sarah J Banks, Justin B Miller
Despite widespread use, there have been few investigations into the neuroanatomical correlates of the Montreal Cognitive Assessment (MoCA). In a sample of 138 consecutive patients presenting with cognitive complaints, we report significant correlations between lower MoCA memory scores and smaller hippocampal volumes (r = 0.36-0.41, p < 0.001). We also report that the newly devised memory index score, designed to better capture encoding deficits than the standard delayed recall score, was not significantly better for predicting hippocampal volume...
April 28, 2017: Journal of Alzheimer's Disease: JAD
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