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https://www.readbyqxmd.com/read/28078566/an-eye-tracking-controlled-neuropsychological-battery-for-cognitive-assessment-in-neurological-diseases
#1
Barbara Poletti, Laura Carelli, Federica Solca, Annalisa Lafronza, Elisa Pedroli, Andrea Faini, Stefano Zago, Nicola Ticozzi, Andrea Ciammola, Claudia Morelli, Paolo Meriggi, Pietro Cipresso, Dorothée Lulé, Albert C Ludolph, Giuseppe Riva, Vincenzo Silani
Traditional cognitive assessment in neurological conditions involving physical disability is often prevented by the presence of verbal-motor impairment; to date, an extensive motor-verbal-free neuropsychological battery is not available for such purposes. We adapted a set of neuropsychological tests, assessing language, attentional abilities, executive functions and social cognition, for eye-tracking (ET) control, and explored its feasibility in a sample of healthy participants. Thirty healthy subjects performed a neuropsychological assessment, using an ET-based neuropsychological battery, together with standard "paper and pencil" cognitive measures for frontal (Frontal Assessment Battery-FAB) and working memory abilities (Digit Sequencing Task) and for global cognitive efficiency (Montreal Cognitive Assessment-MoCA)...
January 11, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28074347/pattern-and-motion-related-visual-evoked-potentials-in-hiv-infected-adults
#2
Jana Szanyi, Jan Kremlacek, Zuzana Kubova, Miroslav Kuba, Pavel Gebousky, Jaroslav Kapla, Juraj Szanyi, Frantisek Vit, Jana Langrova
PURPOSE: The goal of the current study was to explore visual function in virally suppressed HIV patients undergoing combined antiretroviral therapy (cART) by using pattern-reversal and motion-onset visual evoked potentials (VEPs). METHODS: The pattern-reversal and motion-onset VEPs were recorded in 20 adult HIV+ patients with a mean age of 38 years and CD4 cell counts ≥230 × 10(6) cells/L of blood. RESULTS: Nine out of 20 patients displayed VEP abnormalities...
January 10, 2017: Documenta Ophthalmologica. Advances in Ophthalmology
https://www.readbyqxmd.com/read/28043209/bacillus-subtilis-iolu-encodes-an-additional-nadp-dependent-scyllo-inositol-dehydrogenase
#3
Dong-Min Kang, Kosei Tanaka, Shinji Takenaka, Shu Ishikawa, Ken-Ichi Yoshida
Bacillus subtilis genes iolG, iolW, iolX, ntdC, yfiI, yrbE, yteT, and yulF belong to the Gfo/Idh/MocA family. The functions of iolG, iolW, iolX, and ntdC are known; however, the functions of the others are unknown. We previously reported the B. subtilis cell factory simultaneously overexpressing iolG and iolW to achieve bioconversion of myo-inositol (MI) into scyllo-inositol (SI). YulF shares a significant similarity with IolW, the NADP(+)-dependent SI dehydrogenase. Transcriptional abundance of yulF did not correlate to that of iol genes involved in inositol metabolism...
January 3, 2017: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/28041652/abnormal-spontaneous-brain-activity-in-type-2-diabetic-retinopathy-revealed-by-amplitude-of-low-frequency-fluctuations-a-resting-state-fmri-study
#4
Z-L Wang, L Zou, Z-W Lu, X-Q Xie, Z-Z Jia, C-J Pan, G-X Zhang, X-M Ge
AIM: To explore the altered spontaneous cerebral activity patterns and impaired functional regions in patients with diabetic retinopathy (DR) using resting-state functional magnetic resonance imaging (rs-fMRI) based on the amplitude of low-frequency fluctuations (ALFF) algorithm. MATERIALS AND METHODS: Twenty-one patients with DR (mean age, 54.9±9.9 years; 11 females) and 17 healthy control subjects (54.8±5.7 years; 9 females) were prospectively studied. The DR patients underwent laboratory tests...
December 29, 2016: Clinical Radiology
https://www.readbyqxmd.com/read/28039795/visuomotor-adaptability-in-older-adults-with-mild-cognitive-decline
#5
Jeffrey Schaffert, Chi-Mei Lee, Rebecca Neill, Jin Bo
The current study examined the augmentation of error feedback on visuomotor adaptability in older adults with varying degrees of cognitive decline (assessed by the Montreal Cognitive Assessment; MoCA). Twenty-three participants performed a center-out computerized visuomotor adaptation task when the visual feedback of their hand movement error was presented in a regular (ratio=1:1) or enhanced (ratio=1:2) error feedback schedule. Results showed that older adults with lower scores on the MoCA had less adaptability than those with higher MoCA scores during the regular feedback schedule...
December 28, 2016: Acta Psychologica
https://www.readbyqxmd.com/read/28025005/macroscopic-and-histologic-analysis-of-vessel-wall-reaction-after-mechanochemical-endovenous-ablation-using-the-clarivein-oc-device-in-an-animal-model
#6
D Boersma, S T W van Haelst, R R J P van Eekeren, A Vink, M M J P Reijnen, J P P M de Vries, G J de Borst
OBJECTIVE/BACKGROUND: Mechanochemical endovenous ablation (MOCA) has been developed as a tumescentless technique to ablate saphenous veins and to avoid heat induced complications and post-procedural pain. The mechanism of action of MOCA is poorly understood. The present experiments were conducted to determine the effect of MOCA on vein wall injury and sclerosis in an animal model. METHODS: A total of 36 lateral saphenous veins (LSVs) were treated in 18 goats according to the human protocol...
December 23, 2016: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28013571/short-montreal-cognitive-assessment
#7
A J Larner
The diagnostic accuracy of the short Montreal Cognitive Assessment (s-MoCA), a cognitive screening instrument recently derived by item response theory and computerized adaptive testing from the original MoCA, for the diagnosis of dementia and mild cognitive impairment (MCI) was assessed in 2 patient cohorts referred to a dedicated memory clinic in order to examine the validity and reproducibility of s-MoCA. Diagnosis used standard clinical diagnostic criteria for dementia and MCI as reference standard (prevalence of cognitive impairment = 0...
January 1, 2016: Journal of Geriatric Psychiatry and Neurology
https://www.readbyqxmd.com/read/28008314/cognitive-aging-and-the-hippocampus-in-older-adults
#8
Andrew O'Shea, Ronald A Cohen, Eric C Porges, Nicole R Nissim, Adam J Woods
The hippocampus is one of the most well studied structures in the human brain. While age-related decline in hippocampal volume is well documented, most of our knowledge about hippocampal structure-function relationships was discovered in the context of neurological and neurodegenerative diseases. The relationship between cognitive aging and hippocampal structure in the absence of disease remains relatively understudied. Furthermore, the few studies that have investigated the role of the hippocampus in cognitive aging have produced contradictory results...
2016: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28005183/altered-gray-matter-volume-in-stable-chronic-obstructive-pulmonary-disease-with-subclinical-cognitive-impairment-an-exploratory-study
#9
Chunrong Wang, Yanhui Ding, Bixian Shen, Dehong Gao, Jie An, Kewen Peng, Gangqiang Hou, Liqiu Zou, Mei Jiang, Shijun Qiu
Gray matter volume deficits have been identified in cognitively impaired patients with chronic obstructive pulmonary disease (COPD). However, it remains unknown whether the gray matter volume is altered in COPD patients with subclinical cognitive impairment. To determine whether any gray matter abnormalities are present in these patients, neuropsychological tests and structural MRI data were analyzed from 60 patients with COPD and 60 age-, gender-, education-, and handedness-matched normal controls (NCs). The COPD patients had similar Mini-Mental State Examination (MMSE) scores compared with the NCs...
December 22, 2016: Neurotoxicity Research
https://www.readbyqxmd.com/read/27999313/implementation-of-a-nutrition-program-reduced-post-discharge-growth-restriction-in-thai-very-low-birth-weight-preterm-infants
#10
Suchada Japakasetr, Chutima Sirikulchayanonta, Umaporn Suthutvoravut, Busba Chindavijak, Masaharu Kagawa, Somjai Nokdee
Very low birth weight (VLBW) preterm infants are vulnerable to growth restriction after discharge due to cumulative protein and energy deficits during their hospital stay and early post-discharge period. The current study evaluated the effectiveness of the preterm infant, post-discharge nutrition (PIN) program to reduce post-discharge growth restriction in Thai VLBW preterm infants. A prospective, non-randomized interventional cohort study was undertaken to assess the growth of 22 VLBW preterm infants who received the PIN program and compared them with 22 VLBW preterm infants who received conventional nutrition services...
December 17, 2016: Nutrients
https://www.readbyqxmd.com/read/27996103/validation-of-the-chinese-version-of-montreal-cognitive-assessment-basic-for-screening-mild-cognitive-impairment
#11
Ke-Liang Chen, Yan Xu, Ai-Qun Chu, Ding Ding, Xiao-Niu Liang, Ziad S Nasreddine, Qiang Dong, Zhen Hong, Qian-Hua Zhao, Qi-Hao Guo
OBJECTIVES: To evaluate the effectiveness of the Chinese version of the Montreal Cognitive Assessment Basic (MoCA-BC) as a screening tool for detecting mild cognitive impairment (MCI) in Chinese elderly adults. DESIGN: Cross-sectional. SETTING: Huashan Hospital, Shanghai, China. PARTICIPANTS: Individuals with MCI (n = 264) and mild Alzheimer's disease (AD) (n = 160) were recruited from the Memory Clinic, Huashan Hospital; cognitively normal controls were recruited from Jinshan Community, Shanghai, China (n = 280)...
December 2016: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/27995072/application-of-texture-analysis-to-dat-spect-imaging-relationship-to-clinical-assessments
#12
Arman Rahmim, Yousef Salimpour, Saurabh Jain, Stephan A L Blinder, Ivan S Klyuzhin, Gwenn S Smith, Zoltan Mari, Vesna Sossi
Dopamine transporter (DAT) SPECT imaging is increasingly utilized for diagnostic purposes in suspected Parkinsonian syndromes. We performed a cross-sectional study to investigate whether assessment of texture in DAT SPECT radiotracer uptake enables enhanced correlations with severity of motor and cognitive symptoms in Parkinson's disease (PD), with the long-term goal of enabling clinical utility of DAT SPECT imaging, beyond standard diagnostic tasks, to tracking of progression in PD. Quantitative analysis in routine DAT SPECT imaging, if performed at all, has been restricted to assessment of mean regional uptake...
2016: NeuroImage: Clinical
https://www.readbyqxmd.com/read/27992895/is-the-montreal-cognitive-assessment-moca-test-better-suited-than-the-mini-mental-state-examination-mmse-in-mild-cognitive-impairment-mci-detection-among-people-aged-over-60-meta-analysis
#13
Natalia Ciesielska, Remigiusz Sokołowski, Ewelina Mazur, Marta Podhorecka, Anna Polak-Szabela, Kornelia Kędziora-Kornatowska
OBJECTIVES: Screening tests play a crucial role in dementia diagnostics, thus they should be very sensitive for mild cognitive impairment (MCI) assessment. Nowadays, the MiniMental State Examination (MMSE) is the most commonly used scale in cognitive function evaluation, albeit it is claimed to be imprecise for MCI detection. The Montreal Cognitive Assessment (MoCA), was created as an alternative method for MMSE. Aim. MoCA vs. MMSE credibility assessment in detecting MCI, while taking into consideration the sensitivity and specificity by cut-off points...
October 31, 2016: Psychiatria Polska
https://www.readbyqxmd.com/read/27989250/a-subtest-analysis-of-the-montreal-cognitive-assessment-moca-which-subtests-can-best-discriminate-between-healthy-controls-mild-cognitive-impairment-and-alzheimer-s-disease
#14
Juliana Francisco Cecato, José Eduardo Martinelli, Rafael Izbicki, Mônica Sanches Yassuda, Ivan Aprahamian
The authors would like to apologise for a typographical error in the discussion of the above mentioned article. In the discussion on page 830 of the article, paragraph 'In the present sample, when we tested the accuracy of the MoCA to discriminate between MCI and healthy participants using ROC curves, the best cut-off score was 24 points, with good sensitivity and specificity ( 92% and 82%, respectively).' Should read: In the present sample, when we tested the accuracy of the MoCA to discriminate between MCI and healthy participants using ROC curves, the best cut-off score was 24 points, with good sensitivity and specificity (83% and 89%, respectively)...
December 19, 2016: International Psychogeriatrics
https://www.readbyqxmd.com/read/27988787/hyponatremia-cognitive-function-and-mobility-in-an-outpatient-heart-failure-population
#15
Monirah Albabtain, Michael J Brenner, John M Nicklas, Scott L Hummel, Michael P McCormick, Jeffrey L Pawlowski, Tami L Remington, Tanya R Gure, Michael P Dorsch, Barry E Bleske
BACKGROUND The association of hyponatremia with cognitive impairment and mobility in heart failure (HF) patients is unknown. The purpose of this study was to determine if hyponatremia is associated with cognitive and mobility impairment as measured by simple, validated, and time-sensitive tests. MATERIAL AND METHODS This was a prospective study in patients with reduced and preserved ejection fraction (HFrEF, HFpEF) seen in outpatient HF clinics. Hyponatremia was defined as sodium level ≤136 mEq/L. Cognitive function was measured using the Montreal Cognitive Assessment (MoCA) tool, and mobility was measured with the Timed Up and Go test (TUG-t)...
December 18, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27982218/management-of-necrotizing-scleritis-after-pterygium-surgery-with-rituximab
#16
Tania Sales de Alencar Fidelix, Luis Antonio Vieira, Virginia Fernandes Moca Trevisani
The authors present a case of necrotizing scleritis after pterygium excision successfully treated with rituximab after attempts with high doses of corticosteroids and immunosuppressive drugs. A literature review revealed case reports and a phase I/II dose-ranging randomized clinical trial using rituximab for necrotizing scleritis with or without association with autoimmune disease. This is the only case report on rituximab treatment for necrotizing scleritis after pterygium surgery. In cases with refractoriness to immunosuppressive drugs, a CD20 antibody can be used...
September 2016: Arquivos Brasileiros de Oftalmologia
https://www.readbyqxmd.com/read/27942139/comparison-of-older-adults-visual-perceptual-skills-cognitive-function-and-fall-efficacy-according-to-fall-risk-in-the-elderly
#17
HyeJin Lee, BoRa Park, YeongAe Yang
[Purpose] This research aims to identify the relationships among visual perceptual skills, cognitive functioning, and fall efficacy of older adults based on whether they are at risk for falls. [Subjects and Methods] Subjects included 116 older adults over 65 years of age who use D Seniors Welfare Center and Y Senior Citizen Center in Busan Metropolitan City. All research subjects were classified based on balance maintenance ability evaluation and whether or not they had experienced falls more than once. Those with scores below the cut-off standard were selected as a group of older adults at risk for falls...
November 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/27936074/association-between-metabolic-syndrome-and-cognitive-impairment-after-acute-ischemic-stroke-a-cross-sectional-study-in-a-chinese-population
#18
Pan Li, Wei Quan, Da Lu, Yan Wang, Hui-Hong Zhang, Shuai Liu, Rong-Cai Jiang, Yu-Ying Zhou
BACKGROUND AND OBJECTIVES: Metabolic syndrome (MetS), a risk factor for many vascular conditions, is associated with vascular cognitive disorders. The objective of the present study was to explore the associations of MetS and its individual components with the risks of cognitive impairment and neurological dysfunction in patients after acute stroke. METHODS: This cross-sectional study enrolled 840 patients ranging in age from 53 to 89 years from the Tianjin area of North China...
2016: PloS One
https://www.readbyqxmd.com/read/27920792/hippocampal-volumetry-as-a-biomarker-for-dementia-in-people-with-low-education
#19
Jaime D Mondragón, César Celada-Borja, Fernando Barinagarrementeria-Aldatz, Martín Burgos-Jaramillo, Héctor Manuel Barragán-Campos
BACKGROUND/AIMS: To evaluate the relationship between hippocampal volume and cognitive decline in patients with dementia due to probable Alzheimer's disease (AD), amnestic mild cognitive impairment (aMCI) and education, and the possible relationship between cognitive reserve and education in this population. METHODS: From February 2013 to October 2015, 76 patients (25 men, 51 women) were classified according to the NIA-AA diagnostic criteria. We used two 3.0-tesla MRI scanners and performed manual hippocampal volumetry...
September 2016: Dementia and Geriatric Cognitive Disorders Extra
https://www.readbyqxmd.com/read/27915992/plasma-phospholipids-are-associated-with-mild-cognitive-impairment-in-type-2-diabetic-patients
#20
Jin-Biao Zhang, Yan-Nan Cong, Zhen-Guang Li, Hai-Rong Sun, Jiang-Shan Zhang, Peng-Fei Wang, Qi-Zhan Wu
Phospholipids (PLs) and their metabolisms are closely allied to nosogenesis and aggravation of Type 2 diabetes mellitus and cognitive impairment. The aim of this study is to characterize the plasma levels of phospholipids in type 2 diabetes patients and type 2 diabetes patients with mild cognitive impairment (MCI), and to identify potential biomarkers of type 2 diabetes patients with MCI. In this cross-sectional study, A total of 374 type 2 diabetes patients were prospectively enrolled. There were 103 patients with MCI and 271 patients without MCI (control)...
December 1, 2016: Current Alzheimer Research
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