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Cognitive Assessment System

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https://www.readbyqxmd.com/read/28329377/time-to-refocus-assessment-of-vision-in-older-adults-contrast-sensitivity-but-not-visual-acuity-is-associated-with-gait-in-older-adults
#1
Eoin Duggan, Orna Donoghue, Rose Anne Kenny, Hilary Cronin, James Loughman, Ciarán Finucane
Background: The relationship between measures of visual function and gait related risk factors for falls is unclear. In this study, we examine the relationship between visual function (visual acuity [VA] and contrast sensitivity [CS] at multiple spatial frequencies) and quantitative spatiotemporal gait, using a large, nationally representative sample of community dwelling older adults. Methods: Participants aged 50 and over were recruited as part of The Irish Longitudinal Study on Ageing (TILDA)...
February 28, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28329104/vascular-cerebral-damage-in-frail-older-adults-the-amimage-study
#2
José Alberto Avila-Funes, Amandine Pelletier, Céline Meillon, Gwénaëlle Catheline, Olivier Periot, Irene Trevin O-Frenk, Magali Gonzalez-Colaço, Jean-François Dartigues, Karine Pérès, Michèle Allard, Bixente Dilharreguy, Hélène Amieva
Background: Frailty has been associated with increased risk of adverse-health related outcomes including cognitive impairment. However, little is know about the pathogenesis relating frailty to cognitive decline. Therefore, the main objective of this study was to investigate the association between vascular cerebral damage and frailty. Methods: Cross-sectional study involving 176 community-dwelling participants aged 67-86 years, participating in the AMImage Study, an ancillary neuro-imaging project of the AMI cohort, a French prospective cohort including older farmers living in rural areas...
January 21, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28326653/the-impact-of-childhood-maltreatment-on-the-differential-efficacy-of-cbasp-versus-escitalopram-in-patients-with-chronic-depression-a-secondary-analysis
#3
Paul Bausch, Thomas Fangmeier, Ingo Zobel, Dieter Schoepf, Sarah Drost, Knut Schnell, Henrik Walter, Mathias Berger, Claus Normann, Elisabeth Schramm
Childhood maltreatment (CM) has been indicated as a predictor of a differential response to antidepressant treatment with psychotherapy compared to medication. In this secondary analysis, we investigated whether the presence of CM results in a differential indication for the Cognitive Behavioral Analysis System of Psychotherapy (CBASP) or escitalopram plus clinical management (ESC). Sixty patients with chronic depression were randomized to either 22 sessions of CBASP or ESC over the course of 8 weeks of acute and 20 weeks of extended treatment at 2 German treatment sites...
March 21, 2017: Clinical Psychology & Psychotherapy
https://www.readbyqxmd.com/read/28325448/diagnosis-of-autism-through-eeg-processed-by-advanced-computational-algorithms-a-pilot-study
#4
Enzo Grossi, Chiara Olivieri, Massimo Buscema
BACKGROUND: Multi-Scale Ranked Organizing Map coupled with Implicit Function as Squashing Time algorithm(MS-ROM/I-FAST) is a new, complex system based on Artificial Neural networks (ANNs) able to extract features of interest in computerized EEG through the analysis of few minutes of their EEG without any preliminary pre-processing. A proof of concept study previously published showed accuracy values ranging from 94%-98% in discerning subjects with Mild Cognitive Impairment and/or Alzheimer's Disease from healthy elderly people...
April 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/28324705/more-pain-more-gain-blocking-the-opioid-system-boosts-adaptive-cognitive-control
#5
Henk van Steenbergen, Daniel H Weissman, Dan J Stein, Susan Malcolm-Smith, Jack van Honk
The ability to adaptively increase cognitive control in response to cognitive challenges is crucial for goal-directed behavior. Recent findings suggest that aversive arousal triggers adaptive increases of control, but the neurochemical mechanisms underlying these effects remain unclear. Given the known contributions of the opioid system to hedonic states, we investigated whether blocking this system increases adaptive control modulations. To do so, we conducted a double-blind, placebo-controlled psychopharmacological study (n=52 females) involving a Stroop-like task...
March 7, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28324673/a-framework-to-guide-the-assessment-of-human-machine-systems
#6
Kimberly Stowers, James Oglesby, Shirley Sonesh, Kevin Leyva, Chelsea Iwig, Eduardo Salas
OBJECTIVE: We have developed a framework for guiding measurement in human-machine systems. BACKGROUND: The assessment of safety and performance in human-machine systems often relies on direct measurement, such as tracking reaction time and accidents. However, safety and performance emerge from the combination of several variables. The assessment of precursors to safety and performance are thus an important part of predicting and improving outcomes in human-machine systems...
March 2017: Human Factors
https://www.readbyqxmd.com/read/28321951/transcriptional-network-analysis-in-frontal-cortex-in-lewy-body-diseases-with-focus-on-dementia-with-lewy-bodies
#7
Gabriel Santpere, Paula Garcia-Esparcia, Pol Andres-Benito, Belen Lorente-Galdos, Arcadi Navarro, Isidro Ferrer
The present study investigates global transcriptional changes in frontal cortex area 8 in incidental Lewy Body disease (iLBD), Parkinson disease (PD) and Dementia with Lewy bodies (DLB). We identified different co-expressed gene sets associated with disease stages, and gene ontology categories enriched in gene modules and differentially expressed genes including modules or gene clusters correlated to iLBD comprising upregulated dynein genes and taste receptors, and down-regulated innate inflammation. Focusing on DLB, we found modules with genes significantly enriched in functions related to RNA and DNA production, mitochondria and energy metabolism, purine metabolism, chaperone and protein folding system, and synapses and neurotransmission (particularly the GABAergic system)...
March 21, 2017: Brain Pathology
https://www.readbyqxmd.com/read/28321644/vinpocetine-attenuates-pathological-cardiac-remodeling-by-inhibiting-cardiac-hypertrophy-and-fibrosis
#8
Mei-Ping Wu, Yi-Shuai Zhang, Xiangbin Xu, Qian Zhou, Jian-Dong Li, Chen Yan
PURPOSE: Pathological cardiac remodeling, characterized by cardiac hypertrophy and fibrosis, is a pathological feature of many cardiac disorders that leads to heart failure and cardiac arrest. Vinpocetine, a derivative of the alkaloid vincamine, has been used for enhancing cerebral blood flow to treat cognitive impairment. However, its role in pathological cardiac remodeling remains unknown. The aim of this study is to examine the effect of vinpocetine on pathological cardiac remodeling induced by chronic stimulation with angiotensin II (Ang II)...
March 20, 2017: Cardiovascular Drugs and Therapy
https://www.readbyqxmd.com/read/28321471/feasibility-of-in-vivo-18-f-florbetaben-pet-mr-imaging-of-human-carotid-amyloid-%C3%AE
#9
Jan Bucerius, Henryk Barthel, Solveig Tiepolt, Peter Werner, Judith C Sluimer, Joachim E Wildberger, Marianne Patt, Swen Hesse, Hermann-Josef Gertz, Erik A L Biessen, Felix M Mottaghy, Osama Sabri
PURPOSE: Amyloid-beta (Aβ) peptides are involved in the inflammatory pathology of atherosclerosis. (18)F-Florbetaben is a PET tracer for clinical imaging of cerebral Aβ plaques in Alzheimer's disease (AD). We sought to determine whether specific uptake of (18)F-florbetaben in the carotid arteries can be identified using a fully integrated hybrid PET/MRI system and whether this uptake is associated with clinical cardiovascular disease (CVD) risk factors. METHODS: Carotid (18)F-florbetaben uptake was quantified as the mean of the maximum target-to-background ratio (meanTBRmax) in 40 cognitively impaired subjects (age 68...
March 21, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28317649/clinical-validity-of-cerebrospinal-fluid-a%C3%AE-42-tau-and-phospho-tau-as-biomarkers-for-alzheimer-s-disease-in-the-context-of-a-structured-5-phase-development-framework
#10
REVIEW
Niklas Mattsson, Anders Lönneborg, Marina Boccardi, Kaj Blennow, Oskar Hansson
Novel diagnostic criteria for Alzheimer's disease (AD) incorporate biomarkers, but their maturity for implementation in clinical practice at the prodromal stage (mild cognitive impairment [MCI]) is unclear. Here, we evaluate cerebrospinal fluid (CSF) β-amyloid42 (Aβ42), total tau, and phosphorylated tau in the light of a 5-phase framework for biomarker development. Ample evidence is available for phase 1 (identifying useful leads) and phase 2 (assessing the accuracy for AD dementia versus controls) for CSF biomarkers...
April 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28317114/personality-traits-as-patterns-of-meaning-assignment-tendencies
#11
Shulamith Kreitler
OBJECTIVE: The purpose is to present a new conception about the nature of personality traits based on the Kreitler Meaning System. The major constructs of the meaning system are referent, meaning value, meaning unit, and meaning variables characterizing the meaning unit. The individual's meaning profile is the set of meaning variables the individual uses as assessed by the Test of Meanings. Personality traits are defined as patterns of meaning assignment tendencies. METHOD: After introducing the meaning system the paper describes the new conception of personality traits, and presents the example of extroversion...
March 20, 2017: Journal of Personality
https://www.readbyqxmd.com/read/28316843/anesthetic-considerations-in-a-patient-with-myotonic-dystrophy-for-hip-labral-repair
#12
Ramon Go, David Wang, Danielle Ludwin
Myotonic Dystrophy (DM) affects multiple organ systems. Disorders such as hyperthyroidism, progressive musculoskeletal weakness, cardiac dysrhythmias, hypoventilation, and cognitive-behavioral disorders may be present in these patients. Thorough preoperative assessment and anesthetic planning are required to minimize the risk of anesthetic complications. Patients with DM can exhibit exquisite sensitivity to sedatives, neuromuscular blocking agents, and volatile anesthetics, resulting in potential postoperative complications...
2017: Case Reports in Anesthesiology
https://www.readbyqxmd.com/read/28315750/fun-cube-based-brain-gym-cognitive-function-assessment-system
#13
Tao Zhang, Chung-Chih Lin, Tsang-Chu Yu, Jing Sun, Wen-Chuin Hsu, Alice May-Kuen Wong
The aim of this study is to design and develop a fun cube (FC) based brain gym (BG) cognitive function assessment system using the wireless sensor network and multimedia technologies. The system comprised (1) interaction devices, FCs and a workstation used as interactive tools for collecting and transferring data to the server, (2) a BG information management system responsible for managing the cognitive games and storing test results, and (3) a feedback system used for conducting the analysis of cognitive functions to assist caregivers in screening high risk groups with mild cognitive impairment...
March 3, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28314104/ginsenoside-re-ameliorates-brain-insulin-resistance-and-cognitive-dysfunction-in-high-fat-diet-induced-c57bl-6-mice
#14
Jong Min Kim, Chang Hyeon Park, Seon Kyeong Park, Tae Wan Seung, Jin Yong Kang, Jeong Su Ha, Du Sang Lee, Uk Lee, Dae Ok Kim, Ho Jin Heo
The ameliorating effects of ginsenoside Re (G Re) on high-fat diet (HFD)-induced insulin resistance in C57BL/6 mice were investigated to assess its physiological function. In the results of behavioral tests, G Re improved cognitive dysfunction on diabetic mice using Y-maze, passive avoidance and Morris water maze tests. G Re also significantly recovered hyperglycemia and fasting blood glucose level. In the results of serum analysis, G Re decreased triglyceride (TG), total cholesterol (TCHO), low density lipoprotein cholesterol (LDLC), glutamic-oxaloacetic transaminase (GOT) and glutamic-pyruvic transaminase (GPT), and increased the ratio of high density lipoprotein cholesterol (HDLC)...
March 17, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28303534/chronic-tobacco-smoking-on-psychopathological-symptoms-impulsivity-and-cognitive-deficits-in-hiv-infected-individuals
#15
Linda Chang, Ahnate Lim, Eric Lau, Daniel Alicata
HIV-infected individuals (HIV+) has 2-3 times the rate of tobacco smoking than the general population, and whether smoking may lead to greater psychiatric symptoms or cognitive deficits remains unclear. We evaluated the independent and combined effects of being HIV+ and chronic tobacco-smoking on impulsivity, psychopathological symptoms and cognition. 104 participants [27 seronegative (SN)-non-Smokers, 26 SN-Smokers, 29 HIV+ non-Smokers, 22 HIV+ Smokers] were assessed for psychopathology symptoms (Symptom Checklist-90, SCL-90), depressive symptoms (Center for Epidemiologic Studies-Depression Scale, CES-D), impulsivity (Barratt Impulsiveness Scale, BIS), decision-making (The Iowa Gambling Task, IGT, and Wisconsin Card Sorting Test, WCST), and cognition (seven neurocognitive domains)...
March 16, 2017: Journal of Neuroimmune Pharmacology: the Official Journal of the Society on NeuroImmune Pharmacology
https://www.readbyqxmd.com/read/28303096/what-is-the-contribution-of-ia-afference-for-regulating-motor-output-variability-during-standing
#16
Niklas König, Matteo G Ferraro, Heiner Baur, William R Taylor, Navrag B Singh
Motor variability is an inherent feature of all human movements, and describes the system's stability and rigidity during the performance of functional motor tasks such as balancing. In order to ensure successful task execution, the nervous system is thought to be able to flexibly select the appropriate level of variability. However, it remains unknown which neurophysiological pathways are utilized for the control of motor output variability. In responding to natural variability (in this example sway), it is plausible that the neuro-physiological response to muscular elongation contributes to restoring a balanced upright posture...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28302757/alteration-of-monoamine-receptor-activity-and-glucose-metabolism-in-paediatric-patients-with-anticonvulsant-induced-cognitive-impairment
#17
Yuankai Zhu, Jianhua Feng, Jianfeng Ji, Haifeng Hou, Lin Chen, Shuang Wu, Qing Liu, Qiong Yao, Peizhen Du, Kai Zhang, Qing Chen, Zexin Chen, Hong Zhang, Mei Tian
A landmark study from the Institute of Medicine (IOM) reported that the assessment of cognitive difficulties in children with epilepsy is timely and imperative. Anticonvulsant-induced cognitive impairment could influence the quality of life more than seizure itself in patients. Although monoaminergic system is involved in the regulation of cognitive process, its role in anticonvulsant-induced cognitive impairment remains unclear. Methods: To explore in vivo monoamine receptor binding activity in patients with anticonvulsant-induced cognitive impairment, each patient had PET imaging with both monoamine receptor binding agent, (11)C-N-methylspiperone ((11)C-NMSP), and glucose metabolic agent, (18)F-fluorodeoxyglucose ((18)F-FDG)...
March 16, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28302594/a-human-centered-design-methodology-to-enhance-the-usability-human-factors-and-user-experience-of-connected-health-systems-a-three-phase-methodology
#18
Richard Harte, Liam Glynn, Alejandro Rodríguez-Molinero, Paul Ma Baker, Thomas Scharf, Leo R Quinlan, Gearóid ÓLaighin
BACKGROUND: Design processes such as human-centered design, which involve the end user throughout the product development and testing process, can be crucial in ensuring that the product meets the needs and capabilities of the user, particularly in terms of safety and user experience. The structured and iterative nature of human-centered design can often present a challenge when design teams are faced with the necessary, rapid, product development life cycles associated with the competitive connected health industry...
March 16, 2017: JMIR Human Factors
https://www.readbyqxmd.com/read/28298555/low-lifetime-stress-exposure-is-associated-with-reduced-stimulus-response-memory
#19
Elizabeth V Goldfarb, Grant S Shields, Nathaniel D Daw, George M Slavich, Elizabeth A Phelps
Exposure to stress throughout life can cumulatively influence later health, even among young adults. The negative effects of high cumulative stress exposure are well-known, and a shift from episodic to stimulus-response memory has been proposed to underlie forms of psychopathology that are related to high lifetime stress. At the other extreme, effects of very low stress exposure are mixed, with some studies reporting that low stress leads to better outcomes, while others demonstrate that low stress is associated with diminished resilience and negative outcomes...
April 2017: Learning & Memory
https://www.readbyqxmd.com/read/28297594/the-role-of-staging-in-planning-psychotherapeutic-interventions-in-depression
#20
Jenny Guidi, Elena Tomba, Fiammetta Cosci, Seung K Park, Giovanni A Fava
CONTEXT: The purpose of this critical review is to examine the role of staging in planning a psychotherapeutic intervention in depressive disorders. EVIDENCE ACQUISITION: English-language studies concerned with staging in depressive disorders were identified in MEDLINE, PsycINFO, and Web of Science and by manual search of the literature. Selection of articles was based on their methodological quality and implications for clinical practice. RESULTS: Staging may allow clinicians to apply a psychotherapeutic intervention to specific phases of the development of depressive disorders: certain psychotherapeutic approaches, such as well-being therapy and mindfulness-based cognitive therapy, appear to be uniquely suited for addressing the residual phase of depression, whereas interpersonal psychotherapy has been mainly tested in the acute phase...
March 14, 2017: Journal of Clinical Psychiatry
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